var showad = true;
var Toppx = 100;			//上端位置
var AdDivW = 94;		//宽度
var AdDivH = 263;		//高度
var PageWidth = 810;	//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 ClosebuttonHtml = '<div id="test1" align="right" style="position: absolute;top:0px;right:0px;margin:2px;padding:2px;z-index:2000;"><a href="javascript:;" onclick="hidead()" style="color:red;text-decoration:none;font-size:12px;">关闭</a></div>'
//var AdContentHtml = '<div id="test2" align="center"><embed src="http://wphs.sdinfo.net/images/guanggao.swf" quality="high" luginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="120" height="200"></embed></div>';

var AdContentHtml = '<div id="test2" align="center"><a href="http://photo.bdchina.com/module/shop/singlecompany.jsp?comid=215" target="_blank"><img src="http://photo.bdchina.com/images/advertise/kaiyuan.gif" width="'+AdDivW+ '" height="'+AdDivH + '" border="0"></a></div>';
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 id="test3">'+AdContentHtml+'</div></div>');
document.write ('<div id="Javascript.RightDiv" 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 id="test4">'+AdContentHtml+'</div></div>');
function scall(){
	if(!showad){return;}
	/*if (window.screen.width<MinScreenW){
		alert("临时提示：\n\n显示器分辨率宽度小于"+MinScreenW+",不显示广告");
		showad = false;
		document.getElementById("Javascript.LeftDiv").style.display="none";
		document.getElementById("Javascript.RightDiv").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.body.scrollTop+Toppx;
	document.getElementById("Javascript.LeftDiv").style.left=document.body.scrollLeft+Borderpx;
	document.getElementById("Javascript.RightDiv").style.display="";
	document.getElementById("Javascript.RightDiv").style.top=document.body.scrollTop+Toppx;
	document.getElementById("Javascript.RightDiv").style.left=document.body.scrollLeft+document.body.clientWidth-document.getElementById("Javascript.RightDiv").offsetWidth-Borderpx;
}

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;