(function(){

	var oldonbeforeunload    =  window.onbeforeunload;

	

	window.onbeforeunload = function(){

		

		// 加载鼠标动画。 By SPACE 2019-04-02

		wd.display.showLoad();

		

		if(oldonbeforeunload)

			oldonbeforeunload();

 		var objScreen = document.createElement("div");

		var oS = objScreen.style;

 		objScreen.id = "ScreenOver";

 		oS.display = "block";

 		oS.top = oS.left = oS.margin = oS.padding = "0px";

 		if (document.body.clientHeight){

  			var wh = document.body.clientHeight + "px";

 		}else if (window.innerHeight){

   			var wh = window.innerHeight + "px";

  		}else{

   			var wh = "100%";

  		}

//		oS.width = "110%";

//		oS.height = wh;

		oS.width = "100%";

		oS.height = "100%";

		oS.position = "absolute";

		oS.zIndex = "3";          //将值由3改为-1 暂时解决遮罩层问题  by Rd 2015-08-04

	//oS.background = "#cccccc url(/wd/image/masklayer.gif)";   //bug测试 注释掉gifurl寻址

//		oS.background = "#cccccc";

		oS.filter = "alpha(opacity=40)";

		oS.opacity = 40/100;

		oS.MozOpacity = 40/100;

		oS.cssText+=";text-align:center;display: table-cell;vertical-align: middle; 						overflow:hidden;";

		oS.cssText+=";line-height:"+wh+";";

		//objScreen.innerHTML=;

//		document.body.appendChild("<div id='absMsg' style='display:none;position: absolute;width:200px;height:10px;border: solid 3px red;margin-left:-100px;left:50%; top:50%;margin-top:-5px;'><img style='' src='/wd/image/geography/loading.gif' alt='loading'/></div>");

		document.body.appendChild(objScreen);

//		alert("addPic");

//		addPic();

	}

})();

//function addPic(){

//	alert("BEGIN");

//	var objScreen = document.createElement("div");

//	var oS = objScreen.style;

//	objScreen.id = "ScreenOver";

//	oS.display = "block";

//	oS.background = "#cccccc url(/wd/image/masklayer.gif)";

//	oS.background-position = "center";

//	oS.width = "100px";

//	oS.height = "100px";

//	var obj = document.getElementById("ScreenOver");

//	obj.appendChild(objScreen);

//	alert("END");

//}