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function is(e, handler) {
if (e.type != 'mouseout' && e.type != 'mouseover') return false;
var reltg = e.relatedTarget ? e.relatedTarget : e.type == 'mouseout' ? e.toElement : e.fromElement;
while (reltg && reltg != handler)
reltg = reltg.parentNode;
return (reltg != handler);
}
var menu=function(obj){
var div=document.createElement("div");
div.style.position="absolute";
div.style.left="-1000px";
div.style.top="0px";
div.flag="menu"
document.body.appendChild(div);
div.onmouseout=function(e){
var e=e||window.event;
if(!is(e,this)) return;
e=e.relatedTarget?e.relatedTarget:e.toElement;
if(e.flag!="menu"){
div.style.left="-1000px";
div.style.top="0px"
}
}
function exec(obj,div){
var a;
for(a in obj){
var item=document.createElement("div");
item.flag="menu";
item.style.textAlign="center";
item.in
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