// JavaScript Document
//DOM Image Rollover II

// Make Variables----------------------
var imgMouseOverHolder = new Array();
var imgMouseDownHolder = new Array();
//-------------------------------------

function preloader(imgTags){

// Create Variables------------------
var newmouseover, newmouseout, newmouseup, newmousedown, oldmouseover, oldmouseout, oldmouseup, oldmousedown
//-----------------------------------

// Get array length--------------
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

// Store src Images------------------
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');}
//-----------------------------------

// Make backups----------------------
if (imgTags[i].src) {imgTags[i].setAttribute("oldsrc", imgTags[i].src);}
//-----------------------------------

if (imgTags[i].getAttribute('srcover')) {

// Make Mouse over--------------------
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;
//------------------------------------

// Make Mouse out--------------------
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')) {

// Make Mouse Down---------------------
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')) {

// Make Mouse up-----------------------
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 {

//Make Mouse up-------------------------
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;
//-------------------------------------

// Make Mouse out--------------------
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() {

// Check to see if document element----
if (!document.getElementById) return;
//-------------------------------------

// Declare variables--------------------
var imgTags = document.getElementsByTagName('IMG'); 
var imgTags2 = document.getElementsByTagName('INPUT');   // For image type submit buttons 
//--------------------------------------

// Preload Images-----------------------
preloader(imgTags);
preloader(imgTags2);  // For image type submit buttons 
//--------------------------------------
}

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