// JScript 文件

lastScrollY=0;
imgSrc = new Array("/upedFile/image/LJ.gif","/upedFile/image/LJ.gif");		//图片地址
adUrl = new Array("/news_info.aspx?TARTICLEID=273","/news_info.aspx?TARTICLEID=273");	//图片链接
intWidthArray = new Array(100,100);		//宽度
intHeightArray = new Array(200,200);		//长度
intTopArray = new Array(70,70)			//到顶部的距离
boolScroll  = true;							//浮动

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=.1*(diffY-lastScrollY);
if(percent>0)percent=Math.ceil(percent);
else percent=Math.floor(percent);

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

}

widthLimit = (window.screen.width - 820)/2;
intMargin = widthLimit - maxWidth;

intLen = imgSrc.length;
for(i = 0 ;i < intLen; i++){
	document.write("<div id=\"ad"+i+"\" style='"+ (i%2==0?"left" : "right") +":" + intMargin + 											"px;position:absolute;top:"+ intTopArray[i] +"px; background-color:#cc0000; width:"+ intWidthArray[i] +"px; height:"+ intHeightArray[i] +"px'><a target=\"_blank\" href=\""+ adUrl[i] +"\"><img border=\"0\" src=\""+ imgSrc[i] +"\"/></a></div>");	
}
if(intLen > 0 && boolScroll )
	window.setInterval("adFunction()",1);