function Postloader(){
Temp=document.getElementsByTagName('body').length;
if (Temp>0){
SetHovers();
} else {
setTimeout("Postloader()",500);
}
}
 
function SetHovers() {
 ObjArray=document.getElementsByTagName('img');
 for (Index=0;Index<ObjArray.length;Index++){
  Temp="a "+ObjArray[Index].className+" a";
  if (Temp.indexOf(" BtnImageSwap ")>-1){
   ObjArray[Index].onmouseover = BtnImageSwapHover;
   ObjArray[Index].onmouseout = BtnImageSwap;
  }
 }
}
 
function BtnImageSwapHover(){
Temp=this.src;
if(!Temp.indexOf("_Hover.")>-1){
this.src = Temp.substring(0,Temp.length-4)+"_Hover"+Temp.substring(Temp.length-4);
}
}
 
function BtnImageSwap(){
Temp=this.src;
if(Temp.indexOf("_Hover.")>-1){
this.src = Temp.substring(0,Temp.length-10)+Temp.substring(Temp.length-4);
}
}

Postloader();