//广告
	var picurl;
	var linkulr='http://www.lingd.net';
	var showad = true;
	var Toppx = 60;			//上端位置
	var AdDivW = 100;		//宽度
	var AdDivH = 300;		//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
	

//漂浮
function duilian(pics,links)
{
	pics[0]=pics[0]=='' ? picurl : pics[0];
	links[0]=links[0] == '' ? linkulr : links[0];
	
    pics[1]=pics[1]=='' ? picurl : pics[1];
	links[1]=links[1] == '' ? linkulr : links[1];
	
	var ClosebuttonHtml = '<div 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 AdContentLeft = '<div align="center" style="color:green;font-size:23pt;font-family:黑体;"> <a href="'+links[0]+'" target="_blank"><img src="'+pics[0]+'" width="100" height="300" border="0"></a></div>';
    var AdContentRight = '<div align="center" style="color:green;font-size:23pt;font-family:黑体;"> <a href="'+links[1]+'" target="_blank"><img src="'+pics[1]+'" width="100" height="300" 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>'+AdContentLeft+'</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>'+AdContentRight+'</div></div>');
	
	window.onscroll=scall;
	window.onresize=scall;
	window.onload=scall;
}

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 webTop  = document.documentElement.scrollTop;
	var webLeft = document.documentElement.scrollLeft;
	
	var Borderpx = ((window.screen.width-document.body.clientWidth)/2-AdDivW)/2;
	document.getElementById("Javascript.LeftDiv").style.display="block";
	document.getElementById("Javascript.LeftDiv").style.top=webTop+Toppx;
	document.getElementById("Javascript.LeftDiv").style.left=Borderpx > 0 ? Borderpx : Borderpx+AdDivW;
	document.getElementById("Javascript.RightDiv").style.display="block";
	document.getElementById("Javascript.RightDiv").style.top=webTop+Toppx;
	document.getElementById("Javascript.RightDiv").style.left= Borderpx > 0 ? document.body.clientWidth+Borderpx*2+AdDivW : document.body.clientWidth-AdDivW*2-Borderpx;
}
	
function hidead()
{
	showad = false;
	document.getElementById("Javascript.LeftDiv").style.display="none";
	document.getElementById("Javascript.RightDiv").style.display="none";
}




var step = 3;
var delay = 20; 
var yon = 0;
var xon = 0;
var Hoffset = 0;
var Woffset = 0;
var height = 0;
var pause = true;
var interval;

function changePos() 
{
	width = document.body.clientWidth;
    height = document.body.clientHeight;
	Hoffset = img1.offsetHeight;
	Woffset = img1.offsetWidth;
	img1.style.left = xPos + document.body.scrollLeft;
	img1.style.top  = yPos == height ? (yPos + document.documentElement.scrollTop) : yPos;

    yPos = yon ? (yPos + step) : (yPos - step);

	if (yPos < 0) 
	{
		yon = 1;
		yPos = 0;
	}
	
	if (yPos >= (height - Hoffset)) 
	{
	    yon = 0;
		yPos = (height - Hoffset);
	}
	
	xPos = xon ? (xPos + step) : (xPos - step);

	if (xPos < 0) 
	{
		xon = 1;
		xPos = 0;
	}
	
	if (xPos >= (width - Woffset)) 
	{
		xon = 0;
		xPos = (width - Woffset);
    }
}
	
function start()
{
	img1.visibility = "visible";
	//interval = 
	setInterval('changePos()', delay);
}