网站左右两边浮动广告JS代码

 <SCRIPT language="JavaScript" src="js/flr.js"></SCRIPT>
 <SCRIPT language="JavaScript" src="js/fll.js"></SCRIPT>
 
---------------------------flr.js------------------------------------
 var imgheight
 document.ns = navigator.appName == "Netscape"
 window.screen.width>800 ? imgheight=100:imgheight=120
 function myload()
 {
 if (navigator.appName == "Netscape")
 {document.dangdang.pageY=pageYOffset+window.innerHeight-imgheight-0;
 document.dangdang.pageX=+window.innerWidth-107;
 mymove();
 }
 else
 {
 dangdang.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight-0;
 dangdang.style.left=document.body.offsetWidth-107;
 mymove();
 }
 }
 function mymove()
 {
 if(document.ns)
 {
 document.dangdang.top=pageYOffset+window.innerHeight-imgheight-0;
 document.dangdang.left=pageXOffset+window.innerWidth-107;
 setTimeout("mymove();",50)
 }
 else
 {
 dangdang.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight-0;
 dangdang.style.left=document.body.scrollLeft+document.body.offsetWidth-107;
 setTimeout("mymove();",50)
 }
 }
 
function MM_reloadPage(init) { //reloads the window if Nav4 resized
 if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
 document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
 else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
 }
 MM_reloadPage(true)
 

if (navigator.appName == "Netscape")
 {
 document.write("<layer id=dangdang top=300 width=80 height=80><a target='_blank'&nbsp;
 href='http://images.sohu.com/cs/minisite/shouxin07/index.htm'><img border='0'&nbsp;
 src='../guanggao/8080.GIF' width='80' height='80'></a></layer>");
 myload()}
 else
 {
 document.write("<div id=dangdang style='position: absolute;width:80;top:300;left:5;visibility:
 visible;z-index: 1'><a target='_blank' href='http://images.sohu.com/cs/minisite/
 shouxin07/index.htm'><img border='0' src='../guanggao/8080.GIF' width='80' height='80'></a>
 </div>");
 myload()
 }
 
-------------------------fll.js--------------------------------------
 var imgheight
 var imgleft
 document.ns = navigator.appName == "Netscape"
 window.screen.width>800 ? imgheight=110:imgheight=110
 window.screen.width>800 ? imgleft=5:imgleft=5
 function myload()
 {
 if (navigator.appName == "Netscape")
 {document.myleft.pageY=pageYOffset+window.innerHeight-imgheight;
 document.myleft.pageX=imgleft;
 leftmove();
 }
 else
 {
 myleft.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight;
 myleft.style.left=imgleft;
 leftmove();
 }
 }
 function leftmove()
 {
 if(document.ns)
 {
 document.myleft.top=pageYOffset+window.innerHeight-imgheight
 document.myleft.left=imgleft;
 setTimeout("leftmove();",80)
 }
 else
 {
 myleft.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight;
 myleft.style.left=imgleft;
 setTimeout("leftmove();",80)
 }
 }
 
function MM_reloadPage(init) { //reloads the window if Nav4 resized
 if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
 document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
 else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
 }
 MM_reloadPage(true)
 
if (navigator.appName == "Netscape")
 {
 document.write("<layer id=myleft top=300 width=80 height=80><a target='_blank'&nbsp;
 href='http://www.polocars.com/'><img border='0' src='../guanggao/polosx-hp-mv.gif'&nbsp;
 width='80' height='80'></a></layer>");
 myload()}
 else
 {
 document.write("<div id=myleft style='position: absolute;width:80;top:300;left:5;visibility:&nbsp;
 visible;z-index: 1'><a target='_blank' href='http://www.polocars.com/'><img border='0'&nbsp;
 src='../guanggao/polosx-hp-mv.gif' width='80' height='80'></a></div>");
 myload()
 }