//If the browser is W3 DOM compliant, execute setImageSwaps function
if (document.getElementsByTagName && document.getElementById) {
 if (window.addEventListener) window.addEventListener('load', setImageSwaps, false);
 else if (window.attachEvent) window.attachEvent('onload', setImageSwaps);
}

function setImageSwaps() {
 prepareImageSwap(document.body,true,true);
}

function prepareImageSwap(elem,mouseOver,mouseOutRestore,mouseDown,mouseUpRestore,mouseOut,mouseUp) { 
 //Do not delete these comments. 
 //Non-Obtrusive Image Swap Script V1.1 by Hesido.com 
 //Attribution required on all accounts 
 if (typeof(elem) == 'string') elem = document.getElementById(elem); 
 if (elem == null) return; 
 var regg = /(.*)(_nm\.)([^\.]{3,4})$/;
 var prel = new Array(), img, imgList, imgsrc, mtchd; 
 imgList = elem.getElementsByTagName('img'); 
 for (var i=0; img = imgList[i]; i++) { 
  if (!img.rolloverSet && img.src.match(regg)) { 
   mtchd = img.src.match(regg); 
   img.hoverSRC = mtchd[1]+'_hv.'+ mtchd[3]; 
   img.outSRC = img.src; 
   if (typeof(mouseOver) != 'undefined') { 
    img.hoverSRC = (mouseOver) ? mtchd[1]+'_hv.'+ mtchd[3] : false; 
    img.outSRC = (mouseOut) ? mtchd[1]+'_ou.'+ mtchd[3] : (mouseOver && mouseOutRestore) ? img.src : false; 
    img.mdownSRC = (mouseDown) ? mtchd[1]+'_md.' + mtchd[3] : false; 
    img.mupSRC = (mouseUp) ? mtchd[1]+'_mu.' + mtchd[3] : (mouseOver && mouseDown && mouseUpRestore) ? img.hoverSRC : (mouseDown && mouseUpRestore) ? img.src : false; 
   } 
   if (img.hoverSRC) {preLoadImg(img.hoverSRC); img.onmouseover = imgHoverSwap;} 
   if (img.outSRC) {preLoadImg(img.outSRC); img.onmouseout = imgOutSwap;} 
   if (img.mdownSRC) {preLoadImg(img.mdownSRC); img.onmousedown = imgMouseDownSwap;} 
   if (img.mupSRC) {preLoadImg(img.mupSRC); img.onmouseup = imgMouseUpSwap;} 
   img.rolloverSet = true; 
  } 
 } 
 function preLoadImg(imgSrc) { 
  prel[prel.length] = new Image(); prel[prel.length-1].src = imgSrc; 
 } 
} 
function imgHoverSwap() {this.src = this.hoverSRC;} 
function imgOutSwap() {this.src = this.outSRC;} 
function imgMouseDownSwap() {this.src = this.mdownSRC;} 
function imgMouseUpSwap() {this.src = this.mupSRC;}