function getDiv(_1){var _2;if(document.all){_2=document.all[_1];}else if(document.getElementById){_2=document.getElementById(_1);}else{return undefined;}return _2;}
var arVersion=navigator.appVersion.split("MSIE");
var version=parseFloat(arVersion[1]);
if(version>=5.5&&version<7.0){var hdrImgs=new Array("home_1.gif","home_2.gif","3dmodels_1.gif","3dmodels_2.gif","software_1.gif","software_2.gif","community_3.gif","community_2.gif","support_1.gif","support_2.gif");}else{var hdrImgs=new Array("home_1.png","home_2.png","3dmodels_1.png","3dmodels_2.png","software_1.png","software_2.png","community_3.png","community_2.png","support_1.png","support_2.png");}
var cacheImgs=new Array();
for(var i=0;i<hdrImgs.length;i++){cacheImgs[i]=new Image();cacheImgs[i].src=hdrImgUrl+hdrImgs[i];}
function hdrImgSwap(id, act) {var div=getDiv(id);if(!(div||false))return;if(!(div.getElementsByTagName||false))return;var imgs=div.getElementsByTagName("img");for(i=0;i<imgs.length;i++){if(!imgs[i].getAttribute("origimg"))imgs[i].setAttribute("origimg",imgs[i].src);if(!imgs[i].getAttribute("overimg"))imgs[i].setAttribute("overimg",imgs[i].src.replace(/(.*)_[1-3]\.(png|gif)/,"$1_2.$2"));imgs[i].src=(act==1)?imgs[i].getAttribute("overimg"):imgs[i].getAttribute("origimg");}}