var imgMouseOverHolder = new Array();
var imgMouseDownHolder = new Array();

function preloader(imgTags){
	var newmouseover, newmouseout, newmouseup, newmousedown, oldmouseover, oldmouseout, oldmouseup, oldmousedown
	var AL = imgMouseOverHolder.length + 1;

	for (var i = 0; i < imgTags.length; i++) {

		if (imgTags[i].getAttribute('srcdown')||imgTags[i].getAttribute('srcover')) {
	
		newmouseover = null; newmouseout = null; newmouseup = null;	newmousedown = null; oldmouseover = null; oldmouseout = null; oldmouseup = null; oldmousedown = null

			if (imgTags[i].getAttribute('srcover')) {imgMouseOverHolder[AL] = new Image(); imgMouseOverHolder[AL].src = imgTags[i].getAttribute('srcover');}
			if (imgTags[i].getAttribute('srcdown')) {imgMouseDownHolder[AL] = new Image(); imgMouseDownHolder[AL].src = imgTags[i].getAttribute('srcdown');}

			if (imgTags[i].src) {imgTags[i].setAttribute("oldsrc", imgTags[i].src);}
				
			if (imgTags[i].getAttribute('srcover')) {
			
				if (imgTags[i].onmouseover) {imgTags[i].oldmouseover = imgTags[i].onmouseover; newmouseover = function (){this.src=this.getAttribute("srcover"); this.oldmouseover();}}
				else {newmouseover = function (){this.src=this.getAttribute("srcover");}}
				imgTags[i].onmouseover = newmouseover;

				if (imgTags[i].onmouseout){imgTags[i].oldmouseout = imgTags[i].onmouseout; newmouseout = function (){this.src=this.getAttribute("oldsrc"); this.oldmouseout();}}
				else {newmouseout = function (){this.src=this.getAttribute("oldsrc");}}
				imgTags[i].onmouseout = newmouseout;
			}
			
			if (imgTags[i].getAttribute('srcdown')) {	
			if (imgTags[i].onmousedown) {imgTags[i].oldmousedown = imgTags[i].onmousedown; newmousedown = function (){this.src=this.getAttribute("srcdown"); this.oldmousedown();}}
			else {newmousedown = function (){this.src=this.getAttribute("srcdown");}}
			imgTags[i].onmousedown = newmousedown;
				if (imgTags[i].getAttribute('srcover')) {
					if (imgTags[i].onmouseup) {imgTags[i].oldmouseup = imgTags[i].onmouseup; newmouseup = function (){this.src=this.getAttribute("srcover"); this.oldmouseup();}}
					else {newmouseup = function (){this.src=this.getAttribute("srcover");}}
					imgTags[i].onmouseup = newmouseup;
				} else {
					if (imgTags[i].onmouseup) {imgTags[i].oldmouseup = imgTags[i].onmouseup; newmouseup = function (){this.src=this.getAttribute("oldsrc"); this.oldmouseup();}}
					else {newmouseup = function (){this.src=this.getAttribute("oldsrc");}}
					imgTags[i].onmouseup = newmouseup;

					if (imgTags[i].onmouseout) {imgTags[i].oldmouseout = imgTags[i].onmouseout; newmouseout = function (){this.src=this.getAttribute("oldsrc"); this.oldmouseout();}}
					else {newmouseout = function (){this.src=this.getAttribute("oldsrc");}}
					imgTags[i].onmouseout = newmouseout;
				
				}
			}
		}
	}
}

function preloadimgsrc() {
	if (!document.getElementById) return;
	var imgTags = document.getElementsByTagName('IMG'); 
	var imgTags2 = document.getElementsByTagName('INPUT');   // For image type submit buttons 
	preloader(imgTags);
	preloader(imgTags2);
}

if (window.addEventListener)
window.addEventListener("load", preloadimgsrc, false)
else if (window.attachEvent)
window.attachEvent("onload", preloadimgsrc)
else if (document.getElementById)
window.onload=preloadimgsrc