/**
* @version		$Id: caption.js 5263 2006-10-02 01:25:24Z webImagery $
* @copyright	Copyright (C) 2005 - 2009 Open Source Matters. All rights reserved.
* @license		GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/

/**
* JCaption javascript behavior
*
* Used for displaying image captions
*
* @package	Joomla
* @since	1.5
* @version	1.0
*/
var JCaption = new Class({
	initialize: function(selector)
	{
		this.selector = selector;

		var images = $$(selector);
		images.each(function(image){ this.createCaption(image); }, this);
	},

	createCaption: function(element)
	{
		var caption   = document.createTextNode(element.title);
		var container = document.createElement("div");
		var text      = document.createElement("p");
		var width     = element.getAttribute("width");
		var align     = element.getAttribute("align");
		var docMode = document.documentMode;

		//Windows fix
		if (!align)
			align = element.getStyle("float");  // Rest of the world fix
		if (!align) // IE DOM Fix
			align = element.style.styleFloat;

		text.appendChild(caption);
		text.className = this.selector.replace('.', '_');

		if (align=="none") {
			if (element.title != "") {
				element.parentNode.replaceChild(text, element);
				text.parentNode.insertBefore(element, text);
			}
		} else {
			element.parentNode.insertBefore(container, element);
			container.appendChild(element);
			if ( element.title != "" ) {
				container.appendChild(text);
			}
			container.className   = this.selector.replace('.', '_');
			container.className   = container.className + " " + align;
			container.setAttribute("style","float:"+align);

			//IE8 fix
			if (!docMode|| docMode < 8) {
				container.style.width = width + "px";
			}
		}

	}
});

document.caption = null;
window.addEvent('load', function() {
	var caption = new JCaption('img.caption')
	document.caption = caption
});

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