lastScrollY=0;
		function heartBeat(){ 
			diffY=document.body.scrollTop; 
			percent=.1*(diffY-lastScrollY); 
			if(percent>0)percent=Math.ceil(percent); 
			else percent=Math.floor(percent); 
			document.getElementById("adleft").style.top=parseInt(document.getElementById("adleft").style.top)+percent+"px";

			lastScrollY=lastScrollY+percent; 
		}	
		
		function close_float_left(){
			document.getElementById("adleft").style.visibility='hidden';
		}	
		
		suspendcode15="<DIV id=\"adleft\" style='width:"+floater_width+"px;height:"+floater_height+"px;background-color:#e5e5e5;border:1px;solid:#ddd;left:5px;POSITION:absolute;TOP:120px;'><img src='images/closeflash.gif' onClick='javascript:close_float_left();void(0);' width='"+floater_width+"' height='14' border='0' vspace='3' alt='关闭对联广告'><A href ='"+http_urll+"' target=_blank><IMG src='"+img_urll+"' width="+floater_width+" height="+floater_height+"></A></div>"
		document.write(suspendcode15); 
															

		window.setInterval("heartBeat()",1);