// JavaScript Document
// JScript 文件
var adtimer = false;
lastScrollY=0;
imgSrc = new Array();		//图片地址
adUrl = new Array();	//图片链接
intWidthArray = new Array();		//宽度
intHeightArray = new Array();		//长度
intTopArray = new Array();			//到顶部的距离
intSeed=new Array();//是否显示，1代表显示,0代表不显示
boolScroll  = true;//浮动

imgSrc[0]="/lang/cn/image/zfmail.jpg";
adUrl[0]="/list.php?caseid=5023";							
intWidthArray[0]=40;
intHeightArray[0] = 220;
intTopArray[0] = 340;
intSeed[0]=1;

maxWidth = 0;

for(i = 0;i < intWidthArray.length;i++){
	if(intWidthArray[i]>maxWidth)
		maxWidth = intWidthArray[i];		
}


function adFunction()
{
	var diffY;
	if (document.documentElement && document.documentElement.scrollTop)
    	diffY = document.documentElement.scrollTop;
	else if (document.body)
    	diffY = document.body.scrollTop
	else
    	{/*Netscape stuff*/}
   
	//alert(diffY);
	percent=0.1*(diffY-lastScrollY);
	if(percent>0)percent=Math.ceil(percent);
	else percent=Math.floor(percent);

	intLen = imgSrc.length;
	for(i = 0 ;i < intLen; i++)
	{
		if (intSeed[i]==1){ document.getElementById("ad"+ i).style.top=parseInt(document.getElementById("ad"+ i).style.top)+percent+"px";	}	
	}
	lastScrollY=lastScrollY+percent;
}

if (window.screen.width>1024) { widthLimit = (window.screen.width - 1000)/2; }
else  { widthLimit = (window.screen.width - 900)/2; }
intMargin = widthLimit - maxWidth;

intLen = imgSrc.length;
for(i = 0 ;i < intLen; i++){
	if (intSeed[i]==1)
	{
		document.write("<div id=\"ad"+i+"\" style='"+ (i%2==0?"left" : "right") +":" + intMargin +"px;position:absolute;top:"+ intTopArray[i] +"px; background-color:#ffffff; width:"+ intWidthArray[i] +"px; height:"+ intHeightArray[i] +"px'><a target=\"_blank\" href=\""+ adUrl[i] +"\"><img border=\"0\" src=\""+ imgSrc[i] +"\"/></a><a style=\"display:block; text-align:center; width:100%; height:20px;\" href=\"javascript:void(0);\" onclick=\"closeme('ad"+i+"')\">关闭</a></div>");	
	}
}
if(intLen > 0 && boolScroll )
	adtimer = window.setInterval("adFunction()",1);
function closeme(id){
    
    document.getElementById(id).style.display = 'none';
    if(adtimer)
        window.clearInterval(adtimer); 
}