关于网页里图片特效 急 在线等 100分马上送出

先看两个滚动的吧
<div style="height:1000"></div>
<script language="JavaScript">
// 滚动
var imgheight
var imgleft
document.ns = navigator.appName == "Netscape"
window.screen.width>800 ? imgheight=110:imgheight=110
window.screen.width>800 ? imgleft=900:imgleft=600  //在此处修改图片所在的横坐标
window.screen.width>800 ? imgRight=15:imgRight=120
function myload()
{
if (navigator.appName == "Netscape")
{document.myleft.pageY=pageYOffset+window.innerHeight-imgheight;
document.myleft.pageX=imgleft;
document.myRight.pageY=pageYOffset+window.innerHeight-imgheight;
document.myRight.pageX=imgRight;
leftmove();
}
else
{
myleft.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight;
myleft.style.left=imgleft;
myRight.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight;
myRight.style.left=imgRight;
leftmove();
}
}
function leftmove()
 {
 if(document.ns)
 {
 document.myleft.top=pageYOffset+window.innerHeight-imgheight
 document.myleft.left=imgleft;
 document.myRight.top=pageYOffset+window.innerHeight-imgheight
 document.myRight.left=imgRight;
 setTimeout("leftmove();",80)
 }
 else
 {
 myleft.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight;
 myleft.style.left=imgleft;
 myRight.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight;
 myRight.style.left=imgRight;
 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=150 width=83 height=83 ><a href='#' onClick='MM_openBrWindow(notice/030918.htm,,width=696,height=480,left=20,top=20,scrollbars=yes,resizable=no);'><img src=img/A75.gif border=0 width=87 height=81 class=pic></a></layer><layer id=myRight top=150 width=83 height=83 ><a href='#' onClick='MM_openBrWindow(notice/030918.htm,,width=696,height=480,left=20,top=20,scrollbars=yes,resizable=no);'><img src=img/A75.gif border=0 width=87 height=81 class=pic></a></layer>");
myload()}
else
{
document.write("<div id=myleft style='position: absolute;width:80;top:300;left:5;visibility: visible;z-index: 1'><a href=# onClick=MM_openBrWindow('notice/030918.htm','','width=696,height=480,left=20,top=20,scrollbars=yes,resizable=no');><img src=img/A75.gif border=0 width=87 height=81 class=pic></a></div><div id=myRight style='position: absolute;width:80;top:300;left:5;visibility: visible;z-index: 1'><a href=# onClick=MM_openBrWindow('notice/030918.htm','','width=696,height=480,left=20,top=20,scrollbars=yes,resizable=no');><img src=img/A75.gif border=0 width=87 height=81 class=pic></a></div>");
myload()
}
</script>