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<div id="loadProcess" style="z-index:1;visibility:hidden;width:300px;position:absolute;top:0px;left:0px;height:58px;border:1px solid #ccc;text-align:center;background:#fff;">
<ul>
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function loadProcess(id){
 var wnd = $(window), doc = $(document);
 var left = doc.scrollLeft();
 var top = doc.scrollTop();
 //alert("scrollLeft:"+doc.scrollTop());
 //alert("windowHeight:"+wnd.height());
 left += (wnd.width() - $(id).width())/2;
 top += (wnd.height() - $(id).height())/2;
  //alert("top:"+top);
 $(id).css("top",top);
 $(id).css("left",left);
 $(id).css("visibility","visible");
}


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 var currentWidth = 0;
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