//=====================================================================
//  DOM Image Rollover v3.3 (hover)
//
//	v3.1 - Support for input type=image added by
//	       Sean Ferguson, Technivations LLC
//  v3.2 - Process on document load (required jQuery) added by
//         Sean Ferguson, Technivations LLC
//
//  Demo: http://chrispoole.com/scripts/dom_image_rollover_hover
//  Script featured on: Dynamic Drive (http://www.dynamicdrive.com)
//=====================================================================
//  copyright Chris Poole
//  http://chrispoole.com
//  This software is licensed under the MIT License 
//  <http://opensource.org/licenses/mit-license.php>
//=====================================================================

function domRollover() {
	if (navigator.userAgent.match(/Opera (\S+)/)) {
		var operaVersion = parseInt(navigator.userAgent.match(/Opera (\S+)/)[1]);
	}
	if (!document.getElementById||operaVersion <7) return;
	arrTagNames = new Array('img', 'input');
	for (intIndex in arrTagNames) {
		var imgarr=document.getElementsByTagName(arrTagNames[intIndex]);
		var imgPreload=new Array();
		var imgSrc=new Array();
		var imgClass=new Array();
		for (i=0;i<imgarr.length;i++){
			if (imgarr[i].className.indexOf('domroll')!=-1){
				imgSrc[i]=imgarr[i].getAttribute('src');
				imgClass[i]=imgarr[i].className;
				imgPreload[i]=new Image();
				if (imgClass[i].match(/domroll (\S+)/)) {
					imgPreload[i].src = imgClass[i].match(/domroll (\S+)/)[1]
				}
				imgarr[i].setAttribute('xsrc', imgSrc[i]);
				imgarr[i].onmouseover=function(){
					this.setAttribute('src',this.className.match(/domroll (\S+)/)[1])
				}
				imgarr[i].onmouseout=function(){
					this.setAttribute('src',this.getAttribute('xsrc'))
				}
			}
		}
	}
}
$(window).load(domRollover);