suspendcode="<DIV id=\"lovexin1\" style='left:20px;POSITION:absolute;TOP:270px;z-index:100'>";
   
   
　　var recontent='<img src="http://www.yijiatg.com/tgw/ad/upload/1.gif" border=0 width="100" height="400" alt="" align=top>';

　　document.write(suspendcode); 
　　document.write(recontent); 
　　document.write("</div>"); 
　　window.setInterval("heartBeat1()",1);


  function heartBeat1(){ 
　　　　var diffY;
        var ad1,cur;
　　　
        ad1=document.getElementById("lovexin1");
        curTop=parseInt(ad1.style.top );

　　　　if(ad1.offsetHeight + curTop > document.body.clientHeight + document.body.scrollTop - 1) 
        { 
                curTop = document.body.scrollTop + document.body.clientHeight - ad1.offsetHeight; 
                ad1.style.top=curTop;
        } 
           
        if(curTop < document.body.scrollTop) 
         { 
                curTop = document.body.scrollTop; 
                ad1.style.top=curTop;
         } 

        if(curTop > document.body.scrollTop) 
         { 
                curTop = document.body.scrollTop; 
                ad1.style.top=270+"px";
         } 
        
        

　　　　
　　　　
　　}