// FancyZoom.js - v1.1 - http://www.fancyzoom.com
//
// Copyright (c) 2008 Cabel Sasser / Panic Inc
// All rights reserved.
// 
//     Requires: FancyZoomHTML.js
// Instructions: Include JS files in page, call setupZoom() in onLoad. That's it!
//               Any <a href> links to images will be updated to zoom inline.
//               Add rel="nozoom" to your <a href> to disable zooming for an image.
// 
// Redistribution and use of this effect in source form, with or without modification,
// are permitted provided that the following conditions are met:
// 
// * USE OF SOURCE ON COMMERCIAL (FOR-PROFIT) WEBSITE REQUIRES ONE-TIME LICENSE FEE PER DOMAIN.
//   Reasonably priced! Visit www.fancyzoom.com for licensing instructions. Thanks!
//
// * Non-commercial (personal) website use is permitted without license/payment!
//
// * Redistribution of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
//
// * Redistribution of source code and derived works cannot be sold without specific
//   written prior permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

var includeCaption = true; // Turn on the "caption" feature, and write out the caption HTML
var zoomTime       = 5;    // Milliseconds between frames of zoom animation
var zoomSteps      = 15;   // Number of zoom animation frames
var includeFade    = 1;    // Set to 1 to fade the image in / out as it zooms
var minBorder      = 90;   // Amount of padding between large, scaled down images, and the window edges
var shadowSettings = '0px 5px 25px rgba(0, 0, 0, '; // Blur, radius, color of shadow for compatible browsers

var zoomImagesURI   = '/images-global/zoom/'; // Location of the zoom and shadow images

// Init. Do not add anything below this line, unless it's something awesome.

var myWidth = 0, myHeight = 0, myScroll = 0; myScrollWidth = 0; myScrollHeight = 0;
var zoomOpen = false, preloadFrame = 1, preloadActive = false, preloadTime = 0, imgPreload = new Image();
var preloadAnimTimer = 0;

var zoomActive = new Array(); var zoomTimer  = new Array(); 
var zoomOrigW  = new Array(); var zoomOrigH  = new Array();
var zoomOrigX  = new Array(); var zoomOrigY  = new Array();

var zoomID         = "ZoomBox";
var theID          = "ZoomImage";
var zoomCaption    = "ZoomCaption";
var zoomCaptionDiv = "ZoomCapDiv";

if (navigator.userAgent.indexOf("MSIE") != -1) {
	var browserIsIE = true;
}

// Zoom: Setup The Page! Called in your <body>'s onLoad handler.

function setupZoom() {
	prepZooms();
	insertZoomHTML();
	zoomdiv = document.getElementById(zoomID);  
	zoomimg = document.getElementById(theID);
}

// Zoom: Inject Javascript functions into hrefs pointing to images, one by one!
// Skip any href that contains a rel="nozoom" tag.
// This is done at page load time via an onLoad() handler.

function prepZooms() {
	if (! document.getElementsByTagName) {
		return;
	}
	var links = document.getElementsByTagName("a");
	for (i = 0; i < links.length; i++) {
		if (links[i].getAttribute("href")) {
			if (links[i].getAttribute("href").search(/(.*)\.(jpg|jpeg|gif|png|bmp|tif|tiff)/gi) != -1) {
				if (links[i].getAttribute("rel") != "nozoom") {
					links[i].onclick = function (event) { return zoomClick(this, event); };
					links[i].onmouseover = function () { zoomPreload(this); };
				}
			}
		}
	}
}

// Zoom: Load an image into an image object. When done loading, function sets preloadActive to false,
// so other bits know that they can proceed with the zoom.
// Preloaded image is stored in imgPreload and swapped out in the zoom function.

function zoomPreload(from) {

	var theimage = from.getAttribute("href");

	// Only preload if we have to, i.e. the image isn't this image already

	if (imgPreload.src.indexOf(from.getAttribute("href").substr(from.getAttribute("href").lastIndexOf("/"))) == -1) {
		preloadActive = true;
		imgPreload = new Image();

		// Set a function to fire when the preload is complete, setting flags along the way.

		imgPreload.onload = function() {
			preloadActive = false;
		}

		// Load it!
		imgPreload.src = theimage;
	}
}

// Zoom: Start the preloading animation cycle.

function preloadAnimStart() {
	preloadTime = new Date();
	document.getElementById("ZoomSpin").style.left = (myWidth / 2) + 'px';
	document.getElementById("ZoomSpin").style.top = ((myHeight / 2) + myScroll) + 'px';
	document.getElementById("ZoomSpin").style.visibility = "visible";	
	preloadFrame = 1;
	document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png';  
	preloadAnimTimer = setInterval("preloadAnim()", 100);
}

// Zoom: Display and ANIMATE the jibber-jabber widget. Once preloadActive is false, bail and zoom it up!

function preloadAnim(from) {
	if (preloadActive != false) {
		document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png';
		preloadFrame++;
		if (preloadFrame > 12) preloadFrame = 1;
	} else {
		document.getElementById("ZoomSpin").style.visibility = "hidden";    
		clearInterval(preloadAnimTimer);
		preloadAnimTimer = 0;
		zoomIn(preloadFrom);
	}
}

// ZOOM CLICK: We got a click! Should we do the zoom? Or wait for the preload to complete?
// todo?: Double check that imgPreload src = clicked src

function zoomClick(from, evt) {

	var shift = getShift(evt);

	// Check for Command / Alt key. If pressed, pass them through -- don't zoom!
	if (! evt && window.event && (window.event.metaKey || window.event.altKey)) {
		return true;
	} else if (evt && (evt.metaKey|| evt.altKey)) {
		return true;
	}

	// Get browser dimensions
	getSize();

	// If preloading still, wait, and display the spinner.
	if (preloadActive == true) {
		// But only display the spinner if it's not already being displayed!
		if (preloadAnimTimer == 0) {
			preloadFrom = from;
			preloadAnimStart();	
		}
	} else {
		// Otherwise, we're loaded: do the zoom!
		zoomIn(from, shift);
	}
	
	return false;
	
}

// Zoom: Move an element in to endH endW, using zoomHost as a starting point.
// "from" is an object reference to the href that spawned the zoom.

function zoomIn(from, shift) {

	zoomimg.src = from.getAttribute("href");

	// Determine the zoom settings from where we came from, the element in the <a>.
	// If there's no element in the <a>, or we can't get the width, make stuff up

	if (from.childNodes[0].width) {
		startW = from.childNodes[0].width;
		startH = from.childNodes[0].height;
		startPos = findElementPos(from.childNodes[0]);
	} else {
		startW = 50;
		startH = 12;
		startPos = findElementPos(from);
	}

	hostX = startPos[0];
	hostY = startPos[1];

	// Make up for a scrolled containing div.
	// TODO: This HAS to move into findElementPos.
	
	if (document.getElementById('scroller')) {
		hostX = hostX - document.getElementById('scroller').scrollLeft;
	}

	// Determine the target zoom settings from the preloaded image object

	endW = imgPreload.width;
	endH = imgPreload.height;

	// Start! But only if we're not zooming already!

	if (zoomActive[theID] != true) {

		// Clear everything out just in case something is already open

		if (document.getElementById("ShadowBox")) {
			document.getElementById("ShadowBox").style.visibility = "hidden";
		} else if (! browserIsIE) {
		
			// Wipe timer if shadow is fading in still
			if (fadeActive["ZoomImage"]) {
				clearInterval(fadeTimer["ZoomImage"]);
				fadeActive["ZoomImage"] = false;
				fadeTimer["ZoomImage"] = false;			
			}
			
			document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)';			
		}
		
		document.getElementById("ZoomClose").style.visibility = "hidden";     

		// Setup the CAPTION, if existing. Hide it first, set the text.

		if (includeCaption) {
			document.getElementById(zoomCaptionDiv).style.visibility = "hidden";
			if (from.getAttribute('title') && includeCaption) {
				// Yes, there's a caption, set it up
				document.getElementById(zoomCaption).innerHTML = from.getAttribute('title');
			} else {
				document.getElementById(zoomCaption).innerHTML = "";
			}
		}

		// Store original position in an array for future zoomOut.

		zoomOrigW[theID] = startW;
		zoomOrigH[theID] = startH;
		zoomOrigX[theID] = hostX;
		zoomOrigY[theID] = hostY;

		// Now set the starting dimensions

		zoomimg.style.width = startW + 'px';
		zoomimg.style.height = startH + 'px';
		zoomdiv.style.left = hostX + 'px';
		zoomdiv.style.top = hostY + 'px';

		// Show the zooming image container, make it invisible

		if (includeFade == 1) {
			setOpacity(0, zoomID);
		}
		zoomdiv.style.visibility = "visible";

		// If it's too big to fit in the window, shrink the width and height to fit (with ratio).

		sizeRatio = endW / endH;
		if (endW > myWidth - minBorder) {
			endW = myWidth - minBorder;
			endH = endW / sizeRatio;
		}
		if (endH > myHeight - minBorder) {
			endH = myHeight - minBorder;
			endW = endH * sizeRatio;
		}

		zoomChangeX = ((myWidth / 2) - (endW / 2) - hostX);
		zoomChangeY = (((myHeight / 2) - (endH / 2) - hostY) + myScroll);
		zoomChangeW = (endW - startW);
		zoomChangeH = (endH - startH);
		
		// Shift key?
	
		if (shift) {
			tempSteps = zoomSteps * 7;
		} else {
			tempSteps = zoomSteps;
		}

		// Setup Zoom

		zoomCurrent = 0;

		// Setup Fade with Zoom, If Requested

		if (includeFade == 1) {
			fadeCurrent = 0;
			fadeAmount = (0 - 100) / tempSteps;
		} else {
			fadeAmount = 0;
		}

		// Do It!
		
		zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+hostX+", "+zoomChangeX+", "+hostY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDoneIn(zoomID)')", zoomTime);		
		zoomActive[theID] = true; 
	}
}

// Zoom it back out.

function zoomOut(from, evt) {

	// Get shift key status.
	// IE events don't seem to get passed through the function, so grab it from the window.

	if (getShift(evt)) {
		tempSteps = zoomSteps * 7;
	} else {
		tempSteps = zoomSteps;
	}	

	// Check to see if something is happening/open
  
	if (zoomActive[theID] != true) {

		// First, get rid of the shadow if necessary.

		if (document.getElementById("ShadowBox")) {
			document.getElementById("ShadowBox").style.visibility = "hidden";
		} else if (! browserIsIE) {
		
			// Wipe timer if shadow is fading in still
			if (fadeActive["ZoomImage"]) {
				clearInterval(fadeTimer["ZoomImage"]);
				fadeActive["ZoomImage"] = false;
				fadeTimer["ZoomImage"] = false;			
			}
			
			document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)';			
		}

		// ..and the close box...

		document.getElementById("ZoomClose").style.visibility = "hidden";

		// ...and the caption if necessary!

		if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") {
			// fadeElementSetup(zoomCaptionDiv, 100, 0, 5, 1);
			document.getElementById(zoomCaptionDiv).style.visibility = "hidden";
		}

		// Now, figure out where we came from, to get back there

		startX = parseInt(zoomdiv.style.left);
		startY = parseInt(zoomdiv.style.top);
		startW = zoomimg.width;
		startH = zoomimg.height;
		zoomChangeX = zoomOrigX[theID] - startX;
		zoomChangeY = zoomOrigY[theID] - startY;
		zoomChangeW = zoomOrigW[theID] - startW;
		zoomChangeH = zoomOrigH[theID] - startH;

		// Setup Zoom

		zoomCurrent = 0;

		// Setup Fade with Zoom, If Requested

		if (includeFade == 1) {
			fadeCurrent = 0;
			fadeAmount = (100 - 0) / tempSteps;
		} else {
			fadeAmount = 0;
		}

		// Do It!

		zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+startX+", "+zoomChangeX+", "+startY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDone(zoomID, theID)')", zoomTime);	
		zoomActive[theID] = true;
	}
}

// Finished Zooming In

function zoomDoneIn(zoomdiv, theID) {

	// Note that it's open
  
	zoomOpen = true;
	zoomdiv = document.getElementById(zoomdiv);

	// Position the table shadow behind the zoomed in image, and display it

	if (document.getElementById("ShadowBox")) {

		setOpacity(0, "ShadowBox");
		shadowdiv = document.getElementById("ShadowBox");

		shadowLeft = parseInt(zoomdiv.style.left) - 13;
		shadowTop = parseInt(zoomdiv.style.top) - 8;
		shadowWidth = zoomdiv.offsetWidth + 26;
		shadowHeight = zoomdiv.offsetHeight + 26; 
	
		shadowdiv.style.width = shadowWidth + 'px';
		shadowdiv.style.height = shadowHeight + 'px';
		shadowdiv.style.left = shadowLeft + 'px';
		shadowdiv.style.top = shadowTop + 'px';

		document.getElementById("ShadowBox").style.visibility = "visible";
		fadeElementSetup("ShadowBox", 0, 100, 5);
		
	} else if (! browserIsIE) {
		// Or, do a fade of the modern shadow
		fadeElementSetup("ZoomImage", 0, .8, 5, 0, "shadow");
	}
	
	// Position and display the CAPTION, if existing
  
	if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") {
		// setOpacity(0, zoomCaptionDiv);
		zoomcapd = document.getElementById(zoomCaptionDiv);
		zoomcapd.style.top = parseInt(zoomdiv.style.top) + (zoomdiv.offsetHeight + 15) + 'px';
		zoomcapd.style.left = (myWidth / 2) - (zoomcapd.offsetWidth / 2) + 'px';
		zoomcapd.style.visibility = "visible";
		// fadeElementSetup(zoomCaptionDiv, 0, 100, 5);
	}   
	
	// Display Close Box (fade it if it's not IE)

	if (!browserIsIE) setOpacity(0, "ZoomClose");
	document.getElementById("ZoomClose").style.visibility = "visible";
	if (!browserIsIE) fadeElementSetup("ZoomClose", 0, 100, 5);

	// Get keypresses
	document.onkeypress = getKey;
	
}

// Finished Zooming Out

function zoomDone(zoomdiv, theID) {

	// No longer open
  
	zoomOpen = false;

	// Clear stuff out, clean up

	zoomOrigH[theID] = "";
	zoomOrigW[theID] = "";
	document.getElementById(zoomdiv).style.visibility = "hidden";
	zoomActive[theID] == false;

	// Stop getting keypresses

	document.onkeypress = null;

}

// Actually zoom the element

function zoomElement(zoomdiv, theID, zoomCurrent, zoomStartW, zoomChangeW, zoomStartH, zoomChangeH, zoomStartX, zoomChangeX, zoomStartY, zoomChangeY, zoomSteps, includeFade, fadeAmount, execWhenDone) {

	// console.log("Zooming Step #"+zoomCurrent+ " of "+zoomSteps+" (zoom " + zoomStartW + "/" + zoomChangeW + ") (zoom " + zoomStartH + "/" + zoomChangeH + ")  (zoom " + zoomStartX + "/" + zoomChangeX + ")  (zoom " + zoomStartY + "/" + zoomChangeY + ") Fade: "+fadeAmount);
    
	// Test if we're done, or if we continue

	if (zoomCurrent == (zoomSteps + 1)) {
		zoomActive[theID] = false;
		clearInterval(zoomTimer[theID]);

		if (execWhenDone != "") {
			eval(execWhenDone);
		}
	} else {
	
		// Do the Fade!
	  
		if (includeFade == 1) {
			if (fadeAmount < 0) {
				setOpacity(Math.abs(zoomCurrent * fadeAmount), zoomdiv);
			} else {
				setOpacity(100 - (zoomCurrent * fadeAmount), zoomdiv);
			}
		}
	  
		// Calculate this step's difference, and move it!
		
		moveW = cubicInOut(zoomCurrent, zoomStartW, zoomChangeW, zoomSteps);
		moveH = cubicInOut(zoomCurrent, zoomStartH, zoomChangeH, zoomSteps);
		moveX = cubicInOut(zoomCurrent, zoomStartX, zoomChangeX, zoomSteps);
		moveY = cubicInOut(zoomCurrent, zoomStartY, zoomChangeY, zoomSteps);
	
		document.getElementById(zoomdiv).style.left = moveX + 'px';
		document.getElementById(zoomdiv).style.top = moveY + 'px';
		zoomimg.style.width = moveW + 'px';
		zoomimg.style.height = moveH + 'px';
	
		zoomCurrent++;
		
		clearInterval(zoomTimer[theID]);
		zoomTimer[theID] = setInterval("zoomElement('"+zoomdiv+"', '"+theID+"', "+zoomCurrent+", "+zoomStartW+", "+zoomChangeW+", "+zoomStartH+", "+zoomChangeH+", "+zoomStartX+", "+zoomChangeX+", "+zoomStartY+", "+zoomChangeY+", "+zoomSteps+", "+includeFade+", "+fadeAmount+", '"+execWhenDone+"')", zoomTime);
	}
}

// Zoom Utility: Get Key Press when image is open, and act accordingly

function getKey(evt) {
	if (! evt) {
		theKey = event.keyCode;
	} else {
		theKey = evt.keyCode;
	}

	if (theKey == 27) { // ESC
		zoomOut(this, evt);
	}
}

////////////////////////////
//
// FADE Functions
//

function fadeOut(elem) {
	if (elem.id) {
		fadeElementSetup(elem.id, 100, 0, 10);
	}
}

function fadeIn(elem) {
	if (elem.id) {
		fadeElementSetup(elem.id, 0, 100, 10);	
	}
}

// Fade: Initialize the fade function

var fadeActive = new Array();
var fadeQueue  = new Array();
var fadeTimer  = new Array();
var fadeClose  = new Array();
var fadeMode   = new Array();

function fadeElementSetup(theID, fdStart, fdEnd, fdSteps, fdClose, fdMode) {

	// alert("Fading: "+theID+" Steps: "+fdSteps+" Mode: "+fdMode);

	if (fadeActive[theID] == true) {
		// Already animating, queue up this command
		fadeQueue[theID] = new Array(theID, fdStart, fdEnd, fdSteps);
	} else {
		fadeSteps = fdSteps;
		fadeCurrent = 0;
		fadeAmount = (fdStart - fdEnd) / fadeSteps;
		fadeTimer[theID] = setInterval("fadeElement('"+theID+"', '"+fadeCurrent+"', '"+fadeAmount+"', '"+fadeSteps+"')", 15);
		fadeActive[theID] = true;
		fadeMode[theID] = fdMode;
		
		if (fdClose == 1) {
			fadeClose[theID] = true;
		} else {
			fadeClose[theID] = false;
		}
	}
}

// Fade: Do the fade. This function will call itself, modifying the parameters, so
// many instances can run concurrently. Can fade using opacity, or fade using a box-shadow.

function fadeElement(theID, fadeCurrent, fadeAmount, fadeSteps) {

	if (fadeCurrent == fadeSteps) {

		// We're done, so clear.

		clearInterval(fadeTimer[theID]);
		fadeActive[theID] = false;
		fadeTimer[theID] = false;

		// Should we close it once the fade is complete?

		if (fadeClose[theID] == true) {
			document.getElementById(theID).style.visibility = "hidden";
		}

		// Hang on.. did a command queue while we were working? If so, make it happen now

		if (fadeQueue[theID] && fadeQueue[theID] != false) {
			fadeElementSetup(fadeQueue[theID][0], fadeQueue[theID][1], fadeQueue[theID][2], fadeQueue[theID][3]);
			fadeQueue[theID] = false;
		}
	} else {

		fadeCurrent++;
		
		// Now actually do the fade adjustment.
		
		if (fadeMode[theID] == "shadow") {

			// Do a special fade on the webkit-box-shadow of the object
		
			if (fadeAmount < 0) {
				document.getElementById(theID).style.webkitBoxShadow = shadowSettings + (Math.abs(fadeCurrent * fadeAmount)) + ')';
			} else {
				document.getElementById(theID).style.webkitBoxShadow = shadowSettings + (100 - (fadeCurrent * fadeAmount)) + ')';
			}
			
		} else {
		
			// Set the opacity depending on if we're adding or subtracting (pos or neg)
			
			if (fadeAmount < 0) {
				setOpacity(Math.abs(fadeCurrent * fadeAmount), theID);
			} else {
				setOpacity(100 - (fadeCurrent * fadeAmount), theID);
			}
		}

		// Keep going, and send myself the updated variables
		clearInterval(fadeTimer[theID]);
		fadeTimer[theID] = setInterval("fadeElement('"+theID+"', '"+fadeCurrent+"', '"+fadeAmount+"', '"+fadeSteps+"')", 15);
	}
}

////////////////////////////
//
// UTILITY functions
//

// Utility: Set the opacity, compatible with a number of browsers. Value from 0 to 100.

function setOpacity(opacity, theID) {

	var object = document.getElementById(theID).style;

	// If it's 100, set it to 99 for Firefox.

	if (navigator.userAgent.indexOf("Firefox") != -1) {
		if (opacity == 100) { opacity = 99.9999; } // This is majorly awkward
	}

	// Multi-browser opacity setting

	object.filter = "alpha(opacity=" + opacity + ")"; // IE/Win
	object.opacity = (opacity / 100);                 // Safari 1.2, Firefox+Mozilla

}

// Utility: Math functions for animation calucations - From http://www.robertpenner.com/easing/
//
// t = time, b = begin, c = change, d = duration
// time = current frame, begin is fixed, change is basically finish - begin, duration is fixed (frames),

function linear(t, b, c, d)
{
	return c*t/d + b;
}

function sineInOut(t, b, c, d)
{
	return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
}

function cubicIn(t, b, c, d) {
	return c*(t/=d)*t*t + b;
}

function cubicOut(t, b, c, d) {
	return c*((t=t/d-1)*t*t + 1) + b;
}

function cubicInOut(t, b, c, d)
{
	if ((t/=d/2) < 1) return c/2*t*t*t + b;
	return c/2*((t-=2)*t*t + 2) + b;
}

function bounceOut(t, b, c, d)
{
	if ((t/=d) < (1/2.75)){
		return c*(7.5625*t*t) + b;
	} else if (t < (2/2.75)){
		return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
	} else if (t < (2.5/2.75)){
		return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
	} else {
		return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
	}
}


// Utility: Get the size of the window, and set myWidth and myHeight
// Credit to quirksmode.org

function getSize() {

	// Window Size

	if (self.innerHeight) { // Everyone but IE
		myWidth = window.innerWidth;
		myHeight = window.innerHeight;
		myScroll = window.pageYOffset;
	} else if (document.documentElement && document.documentElement.clientHeight) { // IE6 Strict
		myWidth = document.documentElement.clientWidth;
		myHeight = document.documentElement.clientHeight;
		myScroll = document.documentElement.scrollTop;
	} else if (document.body) { // Other IE, such as IE7
		myWidth = document.body.clientWidth;
		myHeight = document.body.clientHeight;
		myScroll = document.body.scrollTop;
	}

	// Page size w/offscreen areas

	if (window.innerHeight && window.scrollMaxY) {	
		myScrollWidth = document.body.scrollWidth;
		myScrollHeight = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight) { // All but Explorer Mac
		myScrollWidth = document.body.scrollWidth;
		myScrollHeight = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		myScrollWidth = document.body.offsetWidth;
		myScrollHeight = document.body.offsetHeight;
	}
}

// Utility: Get Shift Key Status
// IE events don't seem to get passed through the function, so grab it from the window.

function getShift(evt) {
	var shift = false;
	if (! evt && window.event) {
		shift = window.event.shiftKey;
	} else if (evt) {
		shift = evt.shiftKey;
		if (shift) evt.stopPropagation(); // Prevents Firefox from doing shifty things
	}
	return shift;
}

// Utility: Find the Y position of an element on a page. Return Y and X as an array

function findElementPos(elemFind)
{
	var elemX = 0;
	var elemY = 0;
	do {
		elemX += elemFind.offsetLeft;
		elemY += elemFind.offsetTop;
	} while ( elemFind = elemFind.offsetParent )

	return Array(elemX, elemY);
}

// FancyZoomHTML.js - v1.0
// Used to draw necessary HTML elements for FancyZoom
//
// Copyright (c) 2008 Cabel Sasser / Panic Inc
// All rights reserved.

function insertZoomHTML() {

	// All of this junk creates the three <div>'s used to hold the closebox, image, and zoom shadow.
	
	var inBody = document.getElementsByTagName("body").item(0);
	
	// WAIT SPINNER
	
	var inSpinbox = document.createElement("div");
	inSpinbox.setAttribute('id', 'ZoomSpin');
	inSpinbox.style.position = 'absolute';
	inSpinbox.style.left = '10px';
	inSpinbox.style.top = '10px';
	inSpinbox.style.visibility = 'hidden';
	inSpinbox.style.zIndex = '525';
	inBody.insertBefore(inSpinbox, inBody.firstChild);
	
	var inSpinImage = document.createElement("img");
	inSpinImage.setAttribute('id', 'SpinImage');
	inSpinImage.setAttribute('src', zoomImagesURI+'zoom-spin-1.png');
	inSpinbox.appendChild(inSpinImage);
	
	// ZOOM IMAGE
	//
	// <div id="ZoomBox">
	//   <a href="javascript:zoomOut();"><img src="/images/spacer.gif" id="ZoomImage" border="0"></a> <!-- THE IMAGE -->
	//   <div id="ZoomClose">
	//     <a href="javascript:zoomOut();"><img src="/images/closebox.png" width="30" height="30" border="0"></a>
	//   </div>
	// </div>
	
	var inZoombox = document.createElement("div");
	inZoombox.setAttribute('id', 'ZoomBox');
	
	inZoombox.style.position = 'absolute'; 
	inZoombox.style.left = '10px';
	inZoombox.style.top = '10px';
	inZoombox.style.visibility = 'hidden';
	inZoombox.style.zIndex = '499';
	
	inBody.insertBefore(inZoombox, inSpinbox.nextSibling);
	
	var inImage1 = document.createElement("img");
	inImage1.onclick = function (event) { zoomOut(this, event); return false; };	
	inImage1.setAttribute('src',zoomImagesURI+'spacer.gif');
	inImage1.setAttribute('id','ZoomImage');
	inImage1.setAttribute('border', '0');
	// inImage1.setAttribute('onMouseOver', 'zoomMouseOver();')
	// inImage1.setAttribute('onMouseOut', 'zoomMouseOut();')
	
	// This must be set first, so we can later test it using webkitBoxShadow.
	inImage1.setAttribute('style', '-webkit-box-shadow: '+shadowSettings+'0.0)');
	inImage1.style.display = 'block';
	inImage1.style.width = '10px';
	inImage1.style.height = '10px';
	inImage1.style.cursor = 'pointer'; // -webkit-zoom-out?
	inZoombox.appendChild(inImage1);

	var inClosebox = document.createElement("div");
	inClosebox.setAttribute('id', 'ZoomClose');
	inClosebox.style.position = 'absolute';
	
	// In MSIE, we need to put the close box inside the image.
	// It's 2008 and I'm having to do a browser detect? Sigh.
	if (browserIsIE) {
		inClosebox.style.left = '-1px';
		inClosebox.style.top = '0px';	
	} else {
		inClosebox.style.left = '-15px';
		inClosebox.style.top = '-15px';
	}
	
	inClosebox.style.visibility = 'hidden';
	inZoombox.appendChild(inClosebox);
		
	var inImage2 = document.createElement("img");
	inImage2.onclick = function (event) { zoomOut(this, event); return false; };	
	inImage2.setAttribute('src',zoomImagesURI+'closebox.png');		
	inImage2.setAttribute('width','30');
	inImage2.setAttribute('height','30');
	inImage2.setAttribute('border','0');
	inImage2.style.cursor = 'pointer';		
	inClosebox.appendChild(inImage2);
	
	// SHADOW
	// Only draw the table-based shadow if the programatic webkitBoxShadow fails!
	// Also, don't draw it if we're IE -- it wouldn't look quite right anyway.
	
	if (! document.getElementById('ZoomImage').style.webkitBoxShadow && ! browserIsIE) {

		// SHADOW BASE
		
		var inFixedBox = document.createElement("div");
		inFixedBox.setAttribute('id', 'ShadowBox');
		inFixedBox.style.position = 'absolute'; 
		inFixedBox.style.left = '50px';
		inFixedBox.style.top = '50px';
		inFixedBox.style.width = '100px';
		inFixedBox.style.height = '100px';
		inFixedBox.style.visibility = 'hidden';
		inFixedBox.style.zIndex = '498';
		inBody.insertBefore(inFixedBox, inZoombox.nextSibling);	
	
		// SHADOW
		// Now, the shadow table. Skip if not compatible, or irrevelant with -box-shadow.
		
		// <div id="ShadowBox"><table border="0" width="100%" height="100%" cellpadding="0" cellspacing="0"> X
		//   <tr height="25">
		//   <td width="27"><img src="/images/zoom-shadow1.png" width="27" height="25"></td>
		//   <td background="/images/zoom-shadow2.png">&nbsp;</td>
		//   <td width="27"><img src="/images/zoom-shadow3.png" width="27" height="25"></td>
		//   </tr>
		
		var inShadowTable = document.createElement("table");
		inShadowTable.setAttribute('border', '0');
		inShadowTable.setAttribute('width', '100%');
		inShadowTable.setAttribute('height', '100%');
		inShadowTable.setAttribute('cellpadding', '0');
		inShadowTable.setAttribute('cellspacing', '0');
		inFixedBox.appendChild(inShadowTable);

		var inShadowTbody = document.createElement("tbody");	// Needed for IE (for HTML4).
		inShadowTable.appendChild(inShadowTbody);
		
		var inRow1 = document.createElement("tr");
		inRow1.style.height = '25px';
		inShadowTbody.appendChild(inRow1);
		
		var inCol1 = document.createElement("td");
		inCol1.style.width = '27px';
		inRow1.appendChild(inCol1);  
		var inShadowImg1 = document.createElement("img");
		inShadowImg1.setAttribute('src', zoomImagesURI+'zoom-shadow1.png');
		inShadowImg1.setAttribute('width', '27');
		inShadowImg1.setAttribute('height', '25');
		inShadowImg1.style.display = 'block';
		inCol1.appendChild(inShadowImg1);
		
		var inCol2 = document.createElement("td");
		inCol2.setAttribute('background', zoomImagesURI+'zoom-shadow2.png');
		inRow1.appendChild(inCol2);
		// inCol2.innerHTML = '<img src=';
		var inSpacer1 = document.createElement("img");
		inSpacer1.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer1.setAttribute('height', '1');
		inSpacer1.setAttribute('width', '1');
		inSpacer1.style.display = 'block';
		inCol2.appendChild(inSpacer1);
		
		var inCol3 = document.createElement("td");
		inCol3.style.width = '27px';
		inRow1.appendChild(inCol3);  
		var inShadowImg3 = document.createElement("img");
		inShadowImg3.setAttribute('src', zoomImagesURI+'zoom-shadow3.png');
		inShadowImg3.setAttribute('width', '27');
		inShadowImg3.setAttribute('height', '25');
		inShadowImg3.style.display = 'block';
		inCol3.appendChild(inShadowImg3);
		
		//   <tr>
		//   <td background="/images/zoom-shadow4.png">&nbsp;</td>
		//   <td bgcolor="#ffffff">&nbsp;</td>
		//   <td background="/images/zoom-shadow5.png">&nbsp;</td>
		//   </tr>
		
		inRow2 = document.createElement("tr");
		inShadowTbody.appendChild(inRow2);
		
		var inCol4 = document.createElement("td");
		inCol4.setAttribute('background', zoomImagesURI+'zoom-shadow4.png');
		inRow2.appendChild(inCol4);
		// inCol4.innerHTML = '&nbsp;';
		var inSpacer2 = document.createElement("img");
		inSpacer2.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer2.setAttribute('height', '1');
		inSpacer2.setAttribute('width', '1');
		inSpacer2.style.display = 'block';
		inCol4.appendChild(inSpacer2);
		
		var inCol5 = document.createElement("td");
		inCol5.setAttribute('bgcolor', '#ffffff');
		inRow2.appendChild(inCol5);
		// inCol5.innerHTML = '&nbsp;';
		var inSpacer3 = document.createElement("img");
		inSpacer3.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer3.setAttribute('height', '1');
		inSpacer3.setAttribute('width', '1');
		inSpacer3.style.display = 'block';
		inCol5.appendChild(inSpacer3);
		
		var inCol6 = document.createElement("td");
		inCol6.setAttribute('background', zoomImagesURI+'zoom-shadow5.png');
		inRow2.appendChild(inCol6);
		// inCol6.innerHTML = '&nbsp;';
		var inSpacer4 = document.createElement("img");
		inSpacer4.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer4.setAttribute('height', '1');
		inSpacer4.setAttribute('width', '1');
		inSpacer4.style.display = 'block';
		inCol6.appendChild(inSpacer4);
		
		//   <tr height="26">
		//   <td width="27"><img src="/images/zoom-shadow6.png" width="27" height="26"</td>
		//   <td background="/images/zoom-shadow7.png">&nbsp;</td>
		//   <td width="27"><img src="/images/zoom-shadow8.png" width="27" height="26"></td>
		//   </tr>  
		// </table>
		
		var inRow3 = document.createElement("tr");
		inRow3.style.height = '26px';
		inShadowTbody.appendChild(inRow3);
		
		var inCol7 = document.createElement("td");
		inCol7.style.width = '27px';
		inRow3.appendChild(inCol7);
		var inShadowImg7 = document.createElement("img");
		inShadowImg7.setAttribute('src', zoomImagesURI+'zoom-shadow6.png');
		inShadowImg7.setAttribute('width', '27');
		inShadowImg7.setAttribute('height', '26');
		inShadowImg7.style.display = 'block';
		inCol7.appendChild(inShadowImg7);
		
		var inCol8 = document.createElement("td");
		inCol8.setAttribute('background', zoomImagesURI+'zoom-shadow7.png');
		inRow3.appendChild(inCol8);  
		// inCol8.innerHTML = '&nbsp;';
		var inSpacer5 = document.createElement("img");
		inSpacer5.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer5.setAttribute('height', '1');
		inSpacer5.setAttribute('width', '1');
		inSpacer5.style.display = 'block';
		inCol8.appendChild(inSpacer5);
		
		var inCol9 = document.createElement("td");
		inCol9.style.width = '27px';
		inRow3.appendChild(inCol9);  
		var inShadowImg9 = document.createElement("img");
		inShadowImg9.setAttribute('src', zoomImagesURI+'zoom-shadow8.png');
		inShadowImg9.setAttribute('width', '27');
		inShadowImg9.setAttribute('height', '26');
		inShadowImg9.style.display = 'block';
		inCol9.appendChild(inShadowImg9);
	}

	if (includeCaption) {
	
		// CAPTION
		//
		// <div id="ZoomCapDiv" style="margin-left: 13px; margin-right: 13px;">
		// <table border="1" cellpadding="0" cellspacing="0">
		// <tr height="26">
		// <td><img src="zoom-caption-l.png" width="13" height="26"></td>
		// <td rowspan="3" background="zoom-caption-fill.png"><div id="ZoomCaption"></div></td>
		// <td><img src="zoom-caption-r.png" width="13" height="26"></td>
		// </tr>
		// </table>
		// </div>
		
		var inCapDiv = document.createElement("div");
		inCapDiv.setAttribute('id', 'ZoomCapDiv');
		inCapDiv.style.position = 'absolute'; 		
		inCapDiv.style.visibility = 'hidden';
		inCapDiv.style.marginLeft = 'auto';
		inCapDiv.style.marginRight = 'auto';
		inCapDiv.style.zIndex = '501';

		inBody.insertBefore(inCapDiv, inZoombox.nextSibling);
		
		var inCapTable = document.createElement("table");
		inCapTable.setAttribute('border', '0');
		inCapTable.setAttribute('cellPadding', '0');	// Wow. These honestly need to
		inCapTable.setAttribute('cellSpacing', '0');	// be intercapped to work in IE. WTF?
		inCapDiv.appendChild(inCapTable);
		
		var inTbody = document.createElement("tbody");	// Needed for IE (for HTML4).
		inCapTable.appendChild(inTbody);
		
		var inCapRow1 = document.createElement("tr");
		inTbody.appendChild(inCapRow1);
		
		var inCapCol1 = document.createElement("td");
		inCapCol1.setAttribute('align', 'right');
		inCapRow1.appendChild(inCapCol1);
		var inCapImg1 = document.createElement("img");
		inCapImg1.setAttribute('src', zoomImagesURI+'zoom-caption-l.png');
		inCapImg1.setAttribute('width', '13');
		inCapImg1.setAttribute('height', '26');
		inCapImg1.style.display = 'block';
		inCapCol1.appendChild(inCapImg1);
		
		var inCapCol2 = document.createElement("td");
		inCapCol2.setAttribute('background', zoomImagesURI+'zoom-caption-fill.png');
		inCapCol2.setAttribute('id', 'ZoomCaption');
		inCapCol2.setAttribute('valign', 'middle');
		inCapCol2.style.fontSize = '14px';
		inCapCol2.style.fontFamily = 'Helvetica';
		inCapCol2.style.fontWeight = 'bold';
		inCapCol2.style.color = '#ffffff';
		inCapCol2.style.textShadow = '0px 2px 4px #000000';
		inCapCol2.style.whiteSpace = 'nowrap';
		inCapRow1.appendChild(inCapCol2);
		
		var inCapCol3 = document.createElement("td");
		inCapRow1.appendChild(inCapCol3);
		var inCapImg2 = document.createElement("img");
		inCapImg2.setAttribute('src', zoomImagesURI+'zoom-caption-r.png');
		inCapImg2.setAttribute('width', '13');
		inCapImg2.setAttribute('height', '26');
		inCapImg2.style.display = 'block';
		inCapCol3.appendChild(inCapImg2);
	}
}

function JCommentsEvents(){}
function JCommentsInput(){}
function JCommentsIndicator(){this.init();}
function JCommentsForm(id,editor){this.init(id,editor);}
function JCommentsEditor(textarea,resizable){this.init(textarea,resizable);}
function JComments(oi,og,r){this.init(oi,og,r);}

JCommentsEvents.prototype = {
	add: function(o,e,f){if(o.addEventListener){o.addEventListener(e,f,false);return true;}else if(o.attachEvent){var r=o.attachEvent("on"+e,f);return r;}else{return false;}},
	remove: function(o,e,f){if(o.removeEventListener){o.removeEventListener(e,f,false);}else if(o.detachEvent){o.detachEvent( "on"+e,o[e+f] );o[e+f]=null;o["e"+e+f]=null;}},
	cancel: function(e){if(e.stopPropagation){e.cancelBubble=true;e.preventDefault();e.stopPropagation();}e.returnValue=false;return false;},
	target: function(e){var t;if(!e)e=window.event;if(e.target)t=e.target;else if(e.srcElement)t=e.srcElement;if(t.nodeType==3)t=t.parentNode;return t;}
};

JCommentsInput.prototype = {
	register: function(el){if(el){var th=this,events=new JCommentsEvents();events.add(el,'focus',function(e){return th.onFocus(e);});events.add(el,'blur',function(e){return th.onBlur(e);});}},
	unregister: function(el){if(el){var th=this,events=new JCommentsEvents();events.remove(el,'focus',function(e){return th.onFocus(e);});events.remove(el,'blur',function(e){return th.onBlur(e);});}},
	onFocus: function(e){var t=JCommentsEvents.prototype.target(e);if(t!=null){t.className=t.className.replace('error','')+' selected';}},
	onBlur: function(e){var t=JCommentsEvents.prototype.target(e);if(t!=null){var c=t.className.replace('error','');c=c.replace('error','');c=c.replace('selected','');t.className=c.replace(/^\s+/g,"");}}
};

JCommentsEditor.prototype = {
	ta: null,
	l10n: {},
	tags: {},
	smiles: {},
	events: null,
        counter: null,
        focused: false,
        resizable: true,

	init: function(textareaID, r) {
		this.ta=JComments.prototype.$(textareaID);
	        this.panelElements={};
		this.l10n={counterPre:'',counterPost:' symbols left',enterValue: 'Enter value'};
	        this.resizable=r;
		this.events=new JCommentsEvents();
		this.defaultHeight=this.ta.clientHeight;
		this.defaultRows=this.ta.rows;
		if(this.resizable){this.addGrippie();}
        	this.isWebkit=/webkit/.test(navigator.userAgent.toLowerCase());
		
	        var th = this;
		this.events.add(document,!window.opera&&document.all?'keydown':'keypress',function(e){return th.onKeyPress(e);});
        	this.events.add(this.ta,'click',function(e){th.closeSmiles();return th.storeCaret(this.ta);});
        	this.events.add(this.ta,'select',function(e){return th.storeCaret(this.ta);});
        	this.events.add(this.ta,'change',function(e){th.onChange(); return th.storeCaret(this.ta);});
        	this.events.add(this.ta,'keyup',function(e){return th.onChange();});
        	this.events.add(this.ta,'focus',function(e){th.closeSmiles(); return th.focused=true;});
        	this.events.add(this.ta,'blur',function(e){return th.focused=false;});
	},
	onKeyPress: function(e) {
		if (!this.focused){return;}
		var r=false,k=String.fromCharCode(e.keyCode?e.keyCode:e.charCode),t=null;
		for(var id in this.tags){
			t=this.tags[id];
			if(!t.key||k.toUpperCase()!=t.key.toUpperCase())continue;
			if(t.ctrl&&!e[t.ctrl+"Key"])continue;
			this.insertTag(id);
			return this.events.cancel(e);
		}
		return e.returnValue;
	},
	defined: function(v){return (typeof(v)!="undefined");},
	clear: function(){this.ta.value='';if(this.defaultHeight){this.ta.style.height=this.defaultHeight+'px';}this.updateCounter();},
	focus: function(){this.ta.focus();},
	storeCaret: function(){var ta=this.ta;if(ta.createTextRange)ta.caretPos=document.selection.createRange().duplicate();},
	getElementPos: function(e){var p={left:0,top:0,right:0,bottom:0};while(e!=null){p.left+=e.offsetLeft;p.top+=e.offsetTop;e=e.offsetParent;}p.right+=p.left;p.bottom+=p.top;return p;},
	getSelection: function(){var ta=this.ta,s='';if(document.selection&&document.selection.createRange){s=document.selection.createRange().text;}else{s=ta.value.substr(ta.selectionStart,ta.selectionEnd-ta.selectionStart);}return s;},
	insertText: function(text) {
		var ta=this.ta;
		if(this.defined(ta.caretPos)&&ta.createTextRange){ta.focus();var sel=document.selection.createRange();sel.text=sel.text+text;ta.focus();}
		else if(this.defined(ta.selectionStart)){
			var ss=ta.value.substr(0, ta.selectionStart);
			var se=ta.value.substr(ta.selectionEnd),sp=ta.scrollTop;
			ta.value=ss+text+se;
			if(ta.setSelectionRange){ta.focus();ta.setSelectionRange(ss.length+text.length,ss.length+text.length);}
			ta.scrollTop=sp;
		} else {ta.value+=text;ta.focus(ta.value.length-1);}
	},
	surroundText: function(t1,t2) {
		var ta=this.ta;
		if (this.defined(ta.caretPos) && ta.createTextRange){
			var cp=ta.caretPos,tl=cp.text.length;
			cp.text=cp.text.charAt(cp.text.length-1)==' '?t1+cp.text+t2+' ':t1+cp.text+t2;
			if(tl==0){cp.moveStart("character",-t2.length);cp.moveEnd("character",-t2.length);cp.select();}
			else{ta.focus(cp);}
		}else if(this.defined(ta.selectionStart)){
			var ss=ta.value.substr(0,ta.selectionStart),se=ta.value.substr(ta.selectionEnd);
			var sl=ta.value.substr(ta.selectionStart,ta.selectionEnd-ta.selectionStart);
			var nc=ta.selectionStart,sp=ta.scrollTop;
			ta.value=ss+t1+sl+t2+se;
			if(ta.setSelectionRange){
				if(sl.length==0){ta.setSelectionRange(nc+t1.length,nc+t1.length);}
				else{ta.setSelectionRange(nc,nc+t1.length+sl.length+t2.length);}
				ta.focus();
			}
			ta.scrollTop=sp;
		}else{ta.value+=t1+t2;ta.focus(ta.value.length-1);}
	},
	insertTag: function(id) {var tag=this.tags[id],ta=this.ta,s='';if(!tag)return;s=this.getSelection();if(s.length>0){this.surroundText(tag.open,tag.close);}},
	initTags: function(){
		if (this.bbc==null||this.bbc.length==0){
			this.bbc={};
			this.bbc['b']={id:'bbcode-b',open:'[b]',close:'[/b]',key:'B',ctrl:'ctrl',hint:'Bold'};
			this.bbc['i']={id:'bbcode-i',open:'[i]',close:'[/i]',key:'I',ctrl:'ctrl',hint:'Italic'};
			this.bbc['u']={id:'bbcode-u',open:'[u]',close:'[/u]',key:'u',ctrl:'ctrl',hint:'Underline'};
			this.bbc['s']={id:'bbcode-s',open:'[s]',close:'[/s]',key:null,ctrl:null,hint:'Strikeout'};
			this.bbc['img']={id:'bbcode-img',open:'[img]',close:'[/img]',key:null,ctrl:null,hint:'Image'};
			this.bbc['url']={id:'bbcode-url',open:'[url]',close:'[/url]',key:null,ctrl:null,hint:'Link'};
			this.bbc['hide']={id:'bbcode-hide',open:'[hide]',close:'[/hide]',key:null,ctrl:null,hint:'Hidden'};
			this.bbc['quote']={id:'bbcode-quote',open:'[quote]',close:'[/quote]',key:'Q',ctrl:'ctrl',hint:'Quote'};
			this.bbc['list']={id:'bbcode-list',open:'[list][*]',close:'[/list]',key:'L',ctrl:'ctrl',hint:'List'};
		}
	},

	createButton: function(i,t,c,f,img){
		var e;if(img==null||img==""){e=document.createElement('a');e.style.display='block';e.setAttribute('href','#');}
		else{e=document.createElement('img');if(t){e.setAttribute('alt',t);}e.setAttribute('src',img);if(!c){c='custombbcode'};}
	       	if(i){e.setAttribute('id',i);}if(t){e.setAttribute('title',t);}if(c){e.className=c;}
       		var ee=e;e.onclick=(f!=null?function(){f(ee); return false;}:function(){return false;});
	       	return e;
	},

	addButton: function(id,h,p,ot,ct,css,img) {
		if(this.ta){
			this.initTags();
			var tag=this.bbc[id],th=this;
			if(!tag){
				if(ot&&ct) {
					this.bbc[id]={id:id,open:ot,close:ct,key:null,ctrl:null,hint:h};
					tag=this.bbc[id];
				} else { return; }
			}
        	        if(this.bbcPanel==null){
				this.bbcPanel=document.createElement('span');
		       		this.bbcPanel.className='bbcode';
		       		this.bbcPanel.style.display='block';
				this.ta.parentNode.insertBefore(this.bbcPanel,this.ta);
	                }
	                var f=function(){var s=th.getSelection();if(s.length>0){th.surroundText(tag.open,tag.close);}else{var v=prompt(p,'');if(null!=v && ''!=v){th.insertText(tag.open+v+tag.close);}}return false;};
	                tag.e=this.createButton(tag.id,(h!=null?h:tag.hint),(css?css:tag.id),f,img);
       			this.bbcPanel.appendChild(tag.e);
       			this.tags[tag.id]=tag;
		}
	},

	initSmiles: function(p){this.smilesPath=p;
		if(this.ta){
        	        this.smilesPanel=document.createElement('div');
			if(this.bbcPanel){
				document.body.appendChild(this.smilesPanel);
				this.smilesPanel.id='comments-form-smilespanel';
	        	        this.smilesPanel.setAttribute('style','display:none;top:0;left:0;position:absolute;');
				this.smilesPanel.onclick=function(){this.style.display='none';};
				var jc=this,f=function(e){
					var sp=jc.smilesPanel,p=jc.getElementPos(e);
					if(sp){var sps=sp.style;sps.display=(sps.display=='none'||sps.display==''?'block':'none');sps.left=p.left+"px";sps.top=p.bottom+e.offsetHeight+"px";sps.zIndex=99;}
					return false;
				};
       				this.bbcPanel.appendChild(this.createButton(null,null,'bbcode-smile',f));
			} else {
				this.smilesPanel.className='smiles';this.ta.parentNode.insertBefore(this.smilesPanel, this.ta);
			}
		}
	},
	closeSmiles: function(){if(this.smilesPanel&&this.bbcPanel){this.smilesPanel.style.display='none';}},

	addSmile: function(code,image){
		if(this.ta){
			if(!this.smilesPath||!this.smilesPanel){return;}
       			var th=this,e=document.createElement('img');
       			e.setAttribute('src',this.smilesPath+'/'+image);
       			e.setAttribute('alt',code);
       			e.className='smile';
	       		e.onclick=function(){th.insertText(' '+code+' ');};
       			this.smilesPanel.appendChild(e);
		}
	},
	addCounter: function(m,pre,post,className){
		if(this.ta){
			if(pre!=null){this.l10n.counterPre=pre;}if(post!=null){this.l10n.counterPost=post;}
			var ch=document.createElement('span');ch.className=className!=null?className:'';
			var t1=document.createTextNode(this.l10n.counterPre+' '),t2=document.createTextNode(' '+this.l10n.counterPost);
			var c=document.createElement('span');ch.appendChild(t1);ch.appendChild(c);ch.appendChild(t2);
			if(this.resizable){if(this.grippie!=null){this.grippie.appendChild(ch);}}
			else{var d=document.createElement('div');d.className='counterpanel';this.ta.parentNode.insertBefore(d,this.ta.nextSibling);d.appendChild(ch);}
			this.counter={e:c,max:m};
			this.updateCounter();
		}
	},
	addGrippie: function() {
		this.offset=null;this.dragging=false;
		this.grippie=document.createElement('div');this.grippie.className='grippie';
		this.ta.parentNode.insertBefore(this.grippie,this.ta.nextSibling);
	        var th=this;this.events.add(this.grippie,'mousedown',function(e){return th.onMouseDown(e);});
	},
	updateCounter: function(){if(this.counter!=null){var ta=this.ta,e=this.counter.e;try{var n=document.createElement(e.tagName),v=this.counter.max-ta.value.length;n.innerHTML=(v>=0)?v:0;e.parentNode.replaceChild(n,e);this.counter.e=n;}catch(ex){}}},
	mousePosition: function(e){var px=0,py=0;if(!e){e=window.event;}if(e.pageX||e.pageY){px=e.pageX;py=e.pageY;}else if(e.clientX||e.clientY){px=e.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;py=e.clientY+document.body.scrollTop+document.documentElement.scrollTop;}return {x:px,y:py};},
	onChange: function(){this.updateCounter();if(this.ta&&!this.isWebkit){var l=this.ta.value.split('\n');this.ta.rows=(l.length<this.defaultRows)?this.defaultRows:l.length+1;}return false;},
	onMouseDown: function(e){this.offset=this.mousePosition(e).y;this.height=this.ta.clientHeight;this.dragging=true;var th=this;this.events.add(document,'mousemove',function(e){return th.onMouseMove(e);});this.events.add(document,'mouseup',function(e){return th.onMouseUp(e);});return false;},
	onMouseUp: function(e){this.dragging=false;},
	onMouseMove: function(e){if(this.dragging)this.ta.style.height=Math.max(this.defaultHeight, this.height+this.mousePosition(e).y-this.offset)+'px';return false;}
};

JCommentsForm.prototype = {
	id:null,
	form: null,
	events: null,
	editor: null,
	elements: {},
	store: new Array('name','email','homepage'),
	fadeTimer: null,

	init: function(id,editor){var f=this;this.id=id;this.form=this.$(id);this.editor=editor;this.events=new JCommentsEvents();this.setElements(new Array('name','email','homepage','title','comment'));this.restoreValues();this.setCaptcha();},
	setCaptcha: function(){this.captchaImage=this.$(this.id+'-captcha-image');this.register('captcha');},
	setEditor: function(e){this.editor=e;},
	setElements: function(e){for(i=0;i<e.length; i++){try{this.register(e[i]);}catch(e){}}},
	$:function(e){return JComments.prototype.$(e);},
	register: function(n){var f=this,e=this.$(this.id+'-'+n);if(e){this.elements[n]=e;JCommentsInput.prototype.register(e);this.events.add(e,!window.opera&&document.all?'keydown':'keypress',function(e){return f.keypress(e);});}},
	message: function(m,c){
		clearTimeout(this.fadeTimer);var fe=this.$('comments-form-message');
		if(!fe){fe=JComments.prototype.createElement('div','comments-form-message','');
		if(this.form){JComments.prototype.moveElement(fe,this.form,this.form.firstChild);}else{return;}}
		if(!c){c='info';}fe.className='comments-form-message-'+c;
		fe.innerHTML=m;	fe.style.display='block';JComments.prototype.setOpacity(fe.id,100);
		this.fadeTimer=setTimeout(function(){JComments.prototype.fade('comments-form-message', 100, 0, 1000);}, 3000);
	},
	error: function(m,n,c){var e=this.elements[n];if(e){e.focus();e.className='error';if(c)e.value='';}this.message(m,'error');},
	clear: function(n){
		if(n==null){if(this.form!=null){this.form.reset();}return;}
		switch(n){
			case 'comment':if(this.editor!=null){this.editor.clear();}break;
			case 'captcha':var cim=this.captchaImage,cin=this.elements['captcha'];if(cim){cim.src=cim.src.replace(/&ac=\d+/g, '&ac='+new String(Math.floor(Math.random()*100000)));}if(cin){cin.value='';}break;
			default:var e=this.elements[n];if(e){e.value='';}break;					
		}
	},
	focus:function(n){var e;if(n==null){for(var nm in this.elements){e=this.elements[nm];if(e){e.focus();break;}}}else{e=this.elements[n];if(e){e.focus();}}},
	keypress: function(e){if(e.ctrlKey &&(e.keyCode==13||(e.type=='keypress'&&e.keyCode==10))){this.submit();e.returnValue=false;return this.events.cancel(e);}return this.keypressed(e);},
	add: function(n,i,v){if(this.form!=null){var e=document.createElement('input');e.setAttribute('type', 'hidden');e.setAttribute('name', n);e.setAttribute('id', i);e.setAttribute('value', v);this.form.appendChild(e);}},
	remove: function(i){var e=this.$(i);if(e){e.value=0;e.parentNode.removeChild(e);}},
	setText: function(n,t){if(n=='comment'){if(this.editor!=null){this.editor.clear();this.editor.insertText(t);}}else{var e=this.elements[n];if(e){e.value=t;}}},
	insertText: function(n,t){if(n=='comment'){if(this.editor!=null){this.editor.insertText(t);}}else{var e=this.elements[n];if(e){e.value+=t;}}},
	storeValues: function(){for(var i=0;i<this.store.length; i++){try{var el=JComments.prototype.$(this.id+'-'+this.store[i]);if(el){JComments.prototype.setCookie(this.store[i],encodeURIComponent(el.value),14);}}catch(e){}}},
	restoreValues: function(){for(var i=0;i<this.store.length; i++){try{var el=JComments.prototype.$(this.id+'-'+this.store[i]);if(el){el.value=decodeURIComponent(JComments.prototype.getCookie(this.store[i]));}}catch(e){}}},
	submit: function(){},
	keypressed: function(e){}
};

JCommentsIndicator.prototype = {
	e: null,
	init: function(){if(this.e==null){this.e=document.createElement('div');this.e.className='busy';}},
	move: function(p,b){if(p){if(this.e.parentNode){this.e.parentNode.removeChild(this.e);}if(b){p.insertBefore(this.e,b);}else{p.appendChild(this.e);}}},
	show: function(){this.e.style.display='block';},
	hide: function(){this.e.style.display='none';},
	start: function(p,b){this.move(p,b);this.show();},
	stop: function(){this.hide();}
};

JComments.prototype = {

        oi:null,
        og:null,
        debug: false,
	requestURI: '',
	oldRequestURI: '',
	busy: null,
	form: null,
	cache: {},
	mode:'add',
	readyList: [],
	isReady: false,

	init: function(oi,og,r){var ua=navigator.userAgent.toLowerCase();this.browser={safari: /webkit/.test(ua),opera: /opera/.test(ua),msie: /msie/.test(ua) && !(/opera/.test(ua)),mozilla: /mozilla/.test(ua) && !(/(compatible|webkit)/.test(ua))};this.oi=oi;this.og=og;this.busy=new JCommentsIndicator();
		var h=location.hostname,d,i1,i2;i1=r.indexOf('://');if(i1!=-1){i2=r.indexOf('/',i1+3);if(i2!=-1){d=r.substring(i1+3,i2);if(d!=h){r=r.replace(d,h);}}}this.requestURI=r;var th=this;jtajax.startLoading=function(){th.busy.show();};jtajax.finishLoading=function(){th.busy.hide();};},
	setForm: function(f){this.form=f;this.form_id=f.id;this.setMode('add',null);var jc=this;this.form.submit=function(){jc.saveComment();};this.form.keypressed=function(e){if(e.keyCode==27&&jc.mode=='reply'){jc.restoreForm(false);}};this.formLoaded();},
	setList: function(l){this.list_id=l;},
	setMode: function(m,i){var b=this.$('comments-form-cancel'),jc=this;if(b!=null){b.style.display=(m!='add')?'':'none';b.onclick=(m=='edit'?function(){jc.cancelEdit(i);}:(m=='reply'?function(){jc.cancelReply();}:null));}this.mode=m;},
	$: function(id){if(!id){return null;}var e=document.getElementById(id);if(!e&&document.all){e=document.all[id];}return e;},
	ajax: function(f,a,fid){var r,prevURI;try{prevURI=jtajax.options.url;jtajax.setup({url:this.requestURI});r=jtajax.call(f,a,'post',fid);jtajax.options.url=prevURI;}catch(e){jtajax.options.url=prevURI;}return r;},
	initOnReady : function(){if(this.isReadyInited) return;this.isReadyInited=1;var jc=this;
	      	if(this.browser.mozilla||this.browser.opera){JCommentsEvents.prototype.add(document, 'DOMContentLoaded',jc.ready);}
        	else if(this.browser.msie) {(function(){try{document.documentElement.doScroll('left');}catch(e){setTimeout(arguments.callee, 50);return;}jc.ready();})();}
        	else if(this.browser.safari){(function(){if(jc.isReady)return;if(document.readyState!="loaded"&&document.readyState!="complete"){setTimeout(arguments.callee,0);return;}jc.ready();})();}
         	JCommentsEvents.prototype.add(window, 'load', function(){jc.ready(jc);});
	},
	onReady: function(f){if(this.isReady){f();}else{var jc=this;jc.readyList.push(f);jc.initOnReady();}},
	ready: function(){var jc=window.jcomments;if(jc.isReady||jc.readyList==null) return;jc.isReady=1;for(var i=0,len=jc.readyList.length;i<len;i++){try{jc.readyList[i]();}catch(e){}}jc.readyList=null;},
	setAntiCache: function(c,p,f){this.aca=c;this.acp=p;this.acf=f;this.onReady(this.loadComments);},
	loadComments: function(){var jc=window.jcomments;var l=document.location.href,lc=true,i=l.lastIndexOf('#comment-');jc.clear('captcha');if(jc.aca){if(i!=0){var c=l.substring(i+9,l.length);if(!isNaN(c)){lc=false;jc.showComment(c);}}}if(jc.acp){if(lc==true){jc.showPage(jc.oi,jc.og,0);}}if(jc.acf){if(l.lastIndexOf('#addcomment')!=-1){jc.showForm(jc.oi,jc.og,'comments-form-link');}}},
	setCookie: function(n,v,d){var e='';if(d){var dt=new Date();dt.setTime(dt.getTime()+(d*24*60*60*1000));e="; expires="+dt.toGMTString();}document.cookie = "jc_"+n+"="+v+e+"; path=/";},
	getCookie: function(n){var re=new RegExp( "(\;|^)[^;]*(" + "jc_"+n + ")\=([^;]*)(;|$)" );var r=re.exec(document.cookie);return r != null ? r[3] : '';},
	removeCookie: function(n){this.setCookie(n,"",-1);},
	scrollTo: function(n){if(n!=null){var e=this.$(n);if(e){t=e.offsetTop;for(var p=e.offsetParent;p;p=p.offsetParent){t+=p.offsetTop;}scrollTo(0,t);}}},
	scrollToList: function(){this.scrollTo(this.list_id);},
	scrollToForm: function(id){this.scrollTo(this.form_id);},
	scrollToComment: function(id){this.scrollTo('comment-'+id);},
	moveElement: function(e,p,b){if(e){if(p){if(e.parentNode){e.parentNode.removeChild(e);}if(b){p.insertBefore(e,b);}else{p.appendChild(e);}}}},
	createElement: function(t,i,c){var e=document.createElement(t);if(i){e.setAttribute('id',i);}if(c){e.className=c;}return e;},
	fade: function(id,s,e,m){var speed=Math.round(m/100),timer=0;if(s>e){for(i=s;i>=e;i--){setTimeout("JComments.prototype.setOpacity('"+id+"',"+i+")",(timer*speed));timer++;}var o=JComments.prototype.$(id);if(o){setTimeout(function(){o.style.display='none';},((s-e)*speed));}}else if(s<e){for(i=s;i<=e;i++){setTimeout("JComments.prototype.setOpacity('"+id+"',"+i+")",(timer*speed));timer++;}}},
	setOpacity: function(id,opacity){var e=this.$(id);if(e){var s=e.style;s.opacity=(opacity/100);s.MozOpacity=(opacity/100);s.KhtmlOpacity=(opacity / 100);s.filter="alpha(opacity="+opacity+")";}},
	error:function(m,n,c){if(this.form!=null){this.form.error(m,n,c);}},
	message:function(m,c){if(this.form!=null){this.form.message(m,'info');}},
	clear:function(n){if(this.form!=null){this.form.clear(n);}},
	insertText:function(t){if(this.form!=null){this.form.insertText('comment',t);}else{var jc=this;window.setTimeout(function(){jc.insertText(t);},500);return;}},
	busyList: function(){if(this.list_id){var l=this.$(this.list_id);if(l){this.busy.move(l.parentNode,l);}}},
	busyForm: function(){if(this.form_id){var f=this.$(this.form_id);if(f){this.busy.move(f.parentNode,f);}}},
	busyComment: function(i){this.busy.move(this.$('comment-item-'+i),null);},
	saveComment: function(i){var f='';if(this.mode!='edit'){f='JCommentsAddComment';this.busyForm();if(this.form){this.form.storeValues();}this.busy.show();}else{f='JCommentsSaveComment';this.busy.show();}return this.ajax(f,null, this.form_id);},
	editComment: function(i){this.busyComment(i);var a=arguments;if(this.form==null){a=new Array(i,1);}return this.ajax('JCommentsEditComment', a);},
	cancelEdit: function(i){if((!this.cache[i])||(this.cache[i]=='')){this.$('comment-body-'+i).innerHTML=this.cache[i];this.cache[i]='';}if(this.form){this.form.remove('comment-id-hidden-'+i);this.restoreForm(true);}var t=this.$('comment-toolbar-'+i);if(t){t.style.display='';}return this.ajax('JCommentsCancelComment',arguments);},
	cancelReply: function(){if(this.form){this.form.remove('comment-parent-id-hidden');this.restoreForm(false);}},
	quoteComment: function(i){var a=arguments;if(this.form==null){a=new Array(i,1);}return this.ajax('JCommentsQuoteComment',a);},
	publishComment: function(i){if(this.form){this.restoreForm();}this.busyComment(i); return this.ajax('JCommentsPublishComment',arguments);},
	deleteComment: function(i){this.busyComment(i); return this.ajax('JCommentsDeleteComment',arguments);},
	jump2email: function(i){return this.ajax('JCommentsJump2email',arguments);},
	updateList: function(t,m){if(this.list_id){var l=this.$(this.list_id);if(!l){l=this.$('comments');m='a';}switch(m){case 'a':l.innerHTML=l.innerHTML+t;break;case 'p':l.innerHTML=t+l.innerHTML;break;case 'r':l.parentNode.innerHTML=t;break;}}},
	updateTree: function(t,r){var l;if(r==null){l=this.$('comments');if(l){l.innerHTML=t;}return;}l=this.$('comments-list-'+r);if(!l){var p=this.$('comment-item-'+r);if(p){this.busyComment(r);l=this.createElement('div','comments-list-'+r,'comments-list');l.innerHTML=t;p.parentNode.insertBefore(l,p.nextSibling);}}else{l.innerHTML=l.innerHTML+t;}this.restoreForm(true);},
	updateComment: function(id,t){if(t==''){var c=this.$('comment-item-'+id);c.parentNode.removeChild(c);var l=this.$('comments-list-'+id);if(l){l.parentNode.removeChild(l);} return;}this.$('comment-body-'+id).innerHTML=t;var te=this.$('comment-toolbar-'+id);if(te){te.style.display='';}if(this.form){this.form.remove('comment-id-hidden-'+id);this.restoreForm(true);}},
	voteComment: function(i){var v=this.$('comment-vote-holder-'+i);if(v){v.innerHTML='';this.busy.start(v,null);}return this.ajax('JCommentsVoteComment',arguments);},
	updateVote: function(i,t){this.busy.stop();var c=this.$('comment-vote-holder-'+i);if(c){c.innerHTML=t;}},
	showComment: function(id){return this.ajax('JCommentsShowComment',arguments);},
	showPage: function(i,g,p){if(this.form){this.restoreForm();}var l=this.$(this.list_id);if(!l){l=this.$(this.list_id+'-0');if(l){this.list_id=this.list_id+'-0';}}this.busyList();return this.ajax('JCommentsShowPage',arguments);},
	showForm: function(i,g,t){if(this.form){this.moveElement(this.form.form,this.$(t));return;}this.busyForm(); return this.ajax('JCommentsShowForm',arguments);},
	showEdit: function(id,n,e,h,t,txt){ 
		var jc=this;
	        if(this.form==null){window.setTimeout(function(){jc.showEdit(id,n,e,h,t,txt);},500);return;}
		if((!this.cache[id])||(this.cache[id]=='')){this.cache[id]=this.$('comment-body-'+id).innerHTML;}
		this.busy.stop();
		var f=this.form,ff=this.form.form,c=this.$('comment-item-'+id);
		if(ff!=null&&c!=null){
			f.add('id','comment-id-hidden-'+id,id);f.setText('name', n);f.setText('email', e);f.setText('homepage', h);f.setText('title', t);f.setText('comment', txt);
			var d=this.$('comments-inline-edit');
			if(d){d.parentNode.removeChild(d);}else{d=this.createElement('div','comments-inline-edit','comments-inline-edit');}c.appendChild(d);this.moveElement(ff,d);
			this.setMode('edit',id);var te=this.$('comment-toolbar-'+id);if(te){te.style.display='none';}
			this.scrollTo('comments-inline-edit');
			this.form.focus('comment');
		}
	},
	showReply: function(id,q){
		this.busyComment(id);
		var jc=this,c=this.$('comment-item-'+id),d=this.$('comments-inline-edit');
		if(d){d.parentNode.removeChild(d);}else{d=this.createElement('div','comments-inline-edit','comments-inline-edit');}c.appendChild(d);
		if(!this.form){
			var t='comments-inline-edit',h=this.$('comments-form-link');if(h){t='comments-form-link';}
			this.showForm(this.oi, this.og,t);var pid=id;this.formLoaded=function(){var f=jc.form;if(f!=null){f.add('parent','comment-parent-id-hidden',pid);}jc.setMode('reply',pid);jc.moveElement(jc.form.form,jc.$('comments-inline-edit'));jc.form.focus();if(q){jc.quoteComment(id);}};
		}else{
			var f=this.form,ff=this.form.form,p=this.$('comment-parent-id-hidden');
			if(ff!=null&&c!=null){if(!p){f.add('parent','comment-parent-id-hidden',id);}else{p.value=id;}this.moveElement(ff,d);this.setMode('reply',id);this.form.focus();if(q){this.quoteComment(id);}}
		}
	},
	formLoaded: function(){},
	restoreForm: function(c){var f=this.form;if(f!=null){var ff=this.form.form,jc=this;this.busy.stop();
		if(ff!=null){if(c){f.clear(null);}f.restoreValues();var a=this.$('addcomments'),p=this.$('comment-parent-id-hidden');if(p){p.value=0;}
		this.moveElement(ff,a.parentNode,a);var d=this.$('comments-inline-edit');if(d){d.parentNode.removeChild(d);}this.setMode('add',null);}
	}},

	subscribe: function(o,g){return this.ajax('JCommentsSubscribe',arguments);},
	unsubscribe: function(o,g){return this.ajax('JCommentsUnsubscribe',arguments);},
	updateSubscription: function(m,t){var e=this.$('comments-subscription');if(e){var jc=this;e.innerHTML=t;e.onclick=m?function(){jc.unsubscribe(jc.oi,jc.og);return false;}:function(){jc.subscribe(jc.oi,jc.og);return false;};e.blur();}},
	go: function(l){window.open(l);return;}
};

/* based on xajax Javascript library (http://www.xajaxproject.org) */
if (!window.jtajax) {

function jtAJAX()
{
	this.options = {url: '',type: 'post',nocache: true,data: ''};

	this.$ = function(id) {if(!id){return null;}var o=document.getElementById(id);if(!o&&document.all){o=document.all[id];}return o;};
	this.extend = function(o, e){for(var k in (e||{}))o[k]=e[k];return o;};
	this.encode = function(t){return encodeURIComponent(t);};
	this.setup = function(options) {this.options = this.extend(this.options, options);};

	this.xhr = function()
	{
		var xhr = null;
		if ('undefined' != typeof XMLHttpRequest) xhr = new XMLHttpRequest();
		if (!xhr && 'undefined' != typeof ActiveXObject) {
			var msxmlhttp = new Array('Msxml2.XMLHTTP.4.0','Msxml2.XMLHTTP.3.0','Msxml2.XMLHTTP','Microsoft.XMLHTTP');
			for (var i=0;i<msxmlhttp.length;i++){try{xhr=new ActiveXObject(msxmlhttp[i]);}catch(e){xhr=null;}}
		}       	
		return xhr;
	};
	
	this.form2query = function(sId)
	{
		var frm = this.$(sId);
		if (frm && frm.tagName.toUpperCase() == 'FORM') {
			var e = frm.elements, query = [];
			for (var i=0; i < e.length; i++) {
				var name = e[i].name, value;
				if (!name) continue;
				if (e[i].type && ('radio' == e[i].type || 'checkbox' == e[i].type) && false === e[i].checked) continue;
				if ('select-multiple' == e[i].type) {
					for (var j = 0; j < e[i].length; j++) {
						if (true === e[i].options[j].selected)
							query.push(name+"="+this.encode(e[i].options[j].value));
					}
				} else { query.push(name+"="+this.encode(e[i].value)); 
				}
			}
			return query.join('&');
		}
		return '';
	};

	this.startLoading = function(){};
	this.finishLoading = function(){};

	this.ajax = function(options)
	{
		var xhr = this.xhr();
		if (!xhr) return false;
		var o = this.extend(this.options, options);
		var url = o.url, jtx = this;
		
		if ('get' == o.type) {
			if (true === o.nocache) {
				var ts=new Date().getTime();
				url += (url.indexOf("?")==-1 ? '?' : '&') + '_jtxr_' + ts;
			}
			if (o.data) {
				url += (url.indexOf("?")==-1 ? '?' : '&') + o.data;
				o.data = null;
			}
		}

		xhr.open(o.type.toUpperCase(), url, true);

		if ('post' == o.type)
			try {xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");}catch(e){}
		if (true === o.nocache)
			xhr.setRequestHeader('If-Modified-Since', 'Thu, 01 Jan 1970 00:00:00 GMT');

		xhr.onreadystatechange = function() {
			if (xhr.readyState != 4) return;
			jtx.finishLoading();
			if (xhr.status==200) {
				jtx.processResponse(xhr.responseText);
			}
			delete xhr;
			xhr = null;
		};
		try {
			jtx.startLoading();
			xhr.send(o.data);
		} catch(e) { jtx.finishLoading(); }

		delete jtx;
		delete xhr;
		delete o;
		return true;
	};

	this.call = function(sFunction, aArgs, sType, sForm)
	{
		var params = 'jtxf=' + this.encode(sFunction);
		if (aArgs) {
			for (var i=0;i<aArgs.length;i++) {
				params += '&jtxa[]=' + this.encode(aArgs[i]);
			}
		} else if (sForm) {
			params += '&' + this.form2query(sForm);
		}

		this.ajax({type: sType, data: params});
		return true;
	};

	this.processResponse = function(sText)
	{
		if(sText==='') return false;
		if(sText.substring(0,3)!='[ {'){var idx=sText.indexOf('[ {');sText=sText.substr(idx);}
		var result;try {result=eval(sText);}catch(e){}
		if ('undefined' == typeof result) {return false;}

		var cmd, id, property, data, obj = null;

		for (var i=0;i<result.length;i++) {
			cmd 		= result[i]['n'];
			id 		= result[i]['t'];
			property	= result[i]['p'];
			data 		= result[i]['d'];
			obj 		= this.$(id);

			switch(cmd) {
				case 'as': if(obj){eval("obj."+property+"=data;");} break;
				case 'al': if(data){alert(data);} break;
				case 'js': if(data){eval(data);} break;
				default: this.error('Unknown command: ' + cmd);break;
			}
		}
		
		delete result;
		delete cmd;
		delete id;
		delete property;
		delete data;
		delete obj;
		return true;
	};

	this.error = function(){};
}
var jtajax = new jtAJAX();
}
