// JavaScript Document
function imageholderclass(){
 this.over=new Array();
 this.down=new Array();
 this.src=new Array();
 this.store=store;
 
 function store(src, down, over){
  var AL=this.src.length;
  this.src[AL]=new Image(); this.src[AL].src=src;
  this.over[AL]=new Image(); this.over[AL].src=over;
  this.down[AL]=new Image(); this.down[AL].src=down;
 }
}
 
var ih = new imageholderclass();
var mouseisdown=0;
 
function preloader(t){
 for(i=0;i<t.length;i++){
  if(t[i].getAttribute('srcover')||t[i].getAttribute('srcdown')){
   
   storeimages(t[i]);
   var checker='';
   checker=(t[i].getAttribute('srcover'))?checker+'A':checker+'';
   checker=(t[i].getAttribute('srcdown'))?checker+'B':checker+'';
   
   switch(checker){
   case 'A' : mouseover(t[i]);mouseout(t[i]); break;
   case 'B' : mousedown(t[i]); mouseup2(t[i]); break;
   case 'AB' : mouseover(t[i]);mouseout(t[i]); mousedown(t[i]); mouseup(t[i]); break;
   default : return;   
   }
   
   if(t[i].src){t[i].setAttribute("oldsrc",t[i].src);}
  }
 }
}
function mouseup(t){
 var newmouseup;
 if(t.onmouseup){
  t.oldmouseup=t.onmouseup;
  newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");this.oldmouseup();}
 
 }
 else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");}}
 t.onmouseup=newmouseup;
}
 
function mouseup2(t){
 var newmouseup;
 if(t.onmouseup){
  t.oldmouseup=t.onmouseup;
  newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");this.oldmouseup();}
  }
 else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");}}
 t.onmouseup = newmouseup;
}
 
function mousedown(t){
 var newmousedown;
 if(t.onmousedown){
  t.oldmousedown=t.onmousedown;
  newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");this.oldmousedown();}}
 }
 else{newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");}}}
 t.onmousedown=newmousedown;
}
 
function mouseover(t){
 var newmouseover;
 if(t.onmouseover){
  t.oldmouseover=t.onmouseover;
  newmouseover=function(){this.src=this.getAttribute("srcover");this.oldmouseover();}
 }
 else{newmouseover=function(){this.src=this.getAttribute("srcover");}}
 t.onmouseover=newmouseover;
}
 
function mouseout(t){
 var newmouseout;
 if(t.onmouseout){
  t.oldmouseout=t.onmouseout;
  newmouseout=function(){this.src=this.getAttribute("oldsrc");this.oldmouseout();}
 }
 else{newmouseout=function(){this.src=this.getAttribute("oldsrc");}}
 t.onmouseout=newmouseout;
}
 
function storeimages(t){
 var s=(t.getAttribute('src'))?t.getAttribute('src'):'';
 var d=(t.getAttribute('srcdown'))?t.getAttribute('srcdown'):'';
 var o=(t.getAttribute('srcover'))?t.getAttribute('srcover'):'';
 ih.store(s,d,o);
}
 
function preloadimgsrc(){
 if(!document.getElementById) return;
 var it=document.getElementsByTagName('IMG');
 var it2=document.getElementsByTagName('INPUT');
 preloader(it);
 preloader(it2);
}
if(window.addEventListener){window.addEventListener("load", preloadimgsrc, false);} 
else{
 if(window.attachEvent){window.attachEvent("onload", preloadimgsrc);}
 else{if(document.getElementById){window.onload=preloadimgsrc;}}
}