function addEvent(elm,listener,fn){
	try{elm.addEventListener(listener,fn,false);}
	catch(e){elm.attachEvent("on"+listener,fn);}
}
addEvent(window,"load",function(){
var e=document.getElementsByTagName("img");
for(var i=0;i<e.length;i++)e[i].title||(e[i].title=e[i].alt);
var e=document.getElementsByTagName("area");
for(var i=0;i<e.length;i++)e[i].title||(e[i].title=e[i].alt);
});