lastScrollY = 0;
function heartBeat(){
 var diffY;
 if (document.documentElement && document.documentElement.scrollTop)
  diffY = document.documentElement.scrollTop;
 else if (document.body)
  diffY = document.body.scrollTop
 percent=.1*(diffY-lastScrollY);
 if(percent>0){
  percent=Math.ceil(percent);
 }
 else{
  percent=Math.floor(percent);
 }
 document.getElementById("leftDiv").style.top = parseInt(document.getElementById("leftDiv").style.top)+percent+"px";
 document.getElementById("rightDiv").style.top = parseInt(document.getElementById("rightDiv").style.top)+percent+"px";
 lastScrollY=lastScrollY+percent;
}
//下面这段删除后，对联将不跟随屏幕而移动。
window.setInterval("heartBeat()",1);
//关闭按钮
function close_left(){
    document.getElementById('left1').style.visibility='hidden';
}
function close_right(){
    document.getElementById('right1').style.visibility='hidden';
}
//设置样式
document.writeln("<style type=\"text\/css\">");
document.writeln("#leftDiv,#rightDiv{position:absolute}");
document.writeln("<\/style>");
//------左侧开始
document.writeln("<div id=\"leftDiv\" style=\"top:130px;left:8px;z-index:999;text-align:center\">");
document.writeln("<div id=\"left1\"><a href='http://www.asia-home.com.cn/syzx/Article/louti/' target='_blank'><img border=0 src=image/left.gif></a><br>");
document.writeln("<a href=\"javascript:close_left();\"><img border=0 src=image/close.gif><\/a>");
document.writeln("<\/div>");
document.writeln("<\/div>");
//------左侧结束，右侧开始
document.writeln("<div id=\"rightDiv\" style=\"top:130px;right:8px;z-index:999;text-align:center\">");
document.writeln("<div id=\"right1\"><a href='http://www.asia-home.com.cn/syzx/Article/louti/' target='_blank'><img border=0 src=image/right.gif></a><br>");
document.writeln("<a href=\"javascript:close_right();\"><img border=0 src=image/close.gif><\/a>");
document.writeln("<\/div>");
document.writeln("<\/div>");
//------右侧结束