function addLoadEvent(func){
var oldonload=window.onload;
if(typeof window.onload != "function"){
window.onload=func;
}else{
window.onload=function(){
oldonload();
func();
}
}
}
function addLoadEvent(func){
var oldonload=window.onload;
if(typeof window.onload != "function"){
window.onload=func;
}else{
window.onload=function(){
oldonload();
func();
}
}
}