喜欢白色衣服的人性格:这叫什么效果啊？代码是什么啊？请大家帮忙，谢谢！

这是代码~！

<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' 
href='http://images.sohu.com/cs/minisite/shouxin07/index.htm'><img border='0' 
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' 
href='http://www.polocars.com/'><img border='0' src='../guanggao/polosx-hp-mv.gif' 
width='80' height='80'></a></layer>");
myload()}
else
{
document.write("<div id=myleft style='position: absolute;width:80;top:300;left:5;visibility: 
visible;z-index: 1'><a target='_blank' href='http://www.polocars.com/'><img border='0' 
src='../guanggao/polosx-hp-mv.gif' width='80' height='80'></a></div>");
myload()

php应该可以吧..不过我没用过这种脚本..你说的浮动的图片可能是用java写出来的