The JS code floating on both sides of the website page

<script language=javascript>
Suspendcode= "<div id=lovexin1 style= ' z-index:10; left:6px; Position:absolute; top:15px; width:100; height:300px; ' ><img src= ' images/close.gif ' onclick= ' javascript:window.hide () ' width= ' height= ' border= ' 0 ' vspace= ' 3 ' alt= ' closes couplet ads ' ><a href= ' http://www.jzread.com/' target= ' _blank ' ><img ' ' the ' 100 ' src= images/ad_fa.jpg ' height= ' border= ' 0 ' ></a></DIV> '
document.write (Suspendcode);

Suspendcode= "<div id=lovexin2 style= ' z-index:10; left:896px; Position:absolute; top:15px; width:100; height:300px; ' ><img src= ' images/close.gif ' onclick= ' javascript:window.hide () ' width= ' height= ' border= ' 0 ' vspace= ' 3 ' alt= ' closes couplet ads ' ><a href= ' http://www.jzread.com/' target= ' _blank ' ><img ' ' the ' 100 ' src= images/ad_fb.jpg ' height= ' border= ' 0 ' ></a></DIV> '
document.write (Suspendcode);

Lastscrolly=0;
Function HeartBeat () {
Diffy=document.body.scrolltop;
percent=.3* (diffy-lastscrolly);
if (percent >0) Percent=math.ceil (percent);
Else Percent=math.floor (percent);
Document.all.lovexin1.style.pixeltop+=percent;
Document.all.lovexin2.style.pixeltop+=percent;
Lastscrolly=lastscrolly+percent;
}
Function Hide ()  
{  
lovexin1.style.visibility= "hidden";
lovexin2.style.visibility= "hidden";
}
Window.setinterval ("HeartBeat ()", 1);
</script>