var showad = true;        //是否显示广告
var Toppx = 10;            //上端位置
var AdDivW = 53;        //宽度
var AdDivH = 49;        //高度
var PageWidth = 800;    //页面多少宽度象素下正好不出现左右滚动条
var MinScreenW = 1024;    //显示广告的最小屏幕宽度象素

var  leftPos = 0;
var currScreen = window.screen.width;
switch (currScreen) {
	case 800:
	   leftPos = 0;
	   break;
	case 1024:
	   leftPos = -30;
	   break;
	case 1152:
	   leftPos = -30;
	   break;
	case 1280:
	   leftPos = 110;
	   break;
	case 1680:
	   leftPos = 210;
	   break;
}

//var ClosebuttonHtml ="<div align='right' style='position: absolute;top:400px;right:0;z-index:2000;'><a href='#'><img src='images/top.jpg' border='0'/></a></div>"
//var ClosebuttonHtml ="<div align='right' style='position: absolute;top:400px;right:0;z-index:2000;'><a href='#'><img src='images/top.jpg' border='0'/></a></div>"

//var AdContentHtml = '';
//document.write ('<div id="Javascript.LeftDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml+'</div></div>');
//document.write ('<div id="Javascript.RightDiv" style="position: absolute;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml+'</div></div>');
function scall(){
    if(!showad){return;}
	    if (window.screen.width<1024){
        //alert("临时提示：\n\n显示器分辨率宽度小于1024,不显示广告");
        showad = false;
        //document.getElementById("Javascript.LeftDiv").style.display="none";
        document.getElementById("Javascript.RightDiv").style.display="none";
		document.getElementById("Javascript.LeftDiv").style.display="none";
        return;
    }
    var Borderpx = ((window.screen.width-PageWidth)/2-AdDivW)/2;

    //document.getElementById("Javascript.LeftDiv").style.display="";
    //document.getElementById("Javascript.LeftDiv").style.top=(document.documentElement.scrollTop+Toppx)+"px";
   // document.getElementById("Javascript.LeftDiv").style.left=(document.documentElement.scrollLeft+Borderpx)+"px";
   try{
    document.getElementById("Javascript.RightDiv").style.display="";
    document.getElementById("Javascript.RightDiv").style.top=(document.documentElement.scrollTop+Toppx)+"px";
    document.getElementById("Javascript.RightDiv").style.left=(document.documentElement.scrollLeft+document.documentElement.clientWidth-document.getElementById("Javascript.RightDiv").offsetWidth-Borderpx)-leftPos+"px";
	
	document.getElementById("Javascript.LeftDiv").style.display="";
    document.getElementById("Javascript.LeftDiv").style.top=(document.documentElement.scrollTop+Toppx)+"px";
    document.getElementById("Javascript.LeftDiv").style.left="50px";
	}catch(EX){}
	//alert( document.getElementById("Javascript.RightDiv").style.left)
}

function hidead()
{
    showad = false;
    //document.getElementById("Javascript.LeftDiv").style.display="none";
    document.getElementById("Javascript.RightDiv").style.display="none";
}


window.onscroll=scall;
window.onresize=scall;
window.onload=scall;