var divHeight=30;
var divWidth=900;
var screenWidth=parseInt(document.body.clientWidth-40);
var divHref="http://www.yd0536.com/toolbar";
var divImgSrc="../image2007/90020.gif";
var isIE = navigator.userAgent.toLowerCase().indexOf("msie")>0;
var isIE5 = navigator.userAgent.toLowerCase().indexOf("msie 5")>0;
var isIE7 = navigator.userAgent.toLowerCase().indexOf("msie 7")>0;
var divReady = false;

function showMoveDiv() {
	var pb=document.getElementById("divAll");
	var anim=function(){
		n+=5;
		if(n>=divHeight){
			window.clearInterval(tt);
			divReady=true;
		}else{
			pb.style.marginTop="-"+(divHeight-n)+"px";
		}
	}
	n=0;
	var tt=window.setInterval(anim,1);
}

function hideMoveDiv() {
	if (!divReady) return;
	var pb=document.getElementById("divAll");
	var anim=function(){
		n+=15;
		if(n>=divHeight){
			pb.style.marginTop="-"+divHeight+"px";
			window.clearInterval(tt);
		}else{
			pb.style.marginTop="-"+n+"px";
		}
	}
	n=0;
	var tt=window.setInterval(anim,1);
	return false;
}
function initMoveDiv() {
	var the_divAll=document.createElement("div");
	the_divAll.id="divAll"
	var willgetHTML=document.documentElement;
	var willgetBody=willgetHTML.childNodes[1];
	document.body.insertBefore(the_divAll,willgetBody.childNodes[0]);
	var showiframe=document.getElementById("divAll");
    showiframe.innerHTML="<table width='100%' height='"+divHeight+"' border='0' align='center' cellpadding='0' cellspacing='0' background='../image2007/background_img.gif' ><tr><td style='white-space:nowrap'><div style='float:right; margin-top:10px; margin-right:8px;'><a href='javascript:void(0);' onclick='hideMoveDiv();'><!--<img src='../image2007/guanbi.jpg'  border='0'/>--></a></div><div style='float:right; height:"+divHeight+"px; width:"+screenWidth+"px; text-align:center;'><a href='"+divHref+"' target='_blank' style='disyplay:block; width:"+screenWidth+"px; height:"+divHeight+"px;'><img src='"+divImgSrc+"' width='"+divWidth+"' height='"+divHeight+"' border='0'></a></div></td></tr></table>";
	document.body.style.marginTop="0px";
	the_divAll.style.marginTop="-"+divHeight+"px";
	showMoveDiv();
}
if (!isIE5)
	initMoveDiv();