js版贴了半小时没有人理.
将下边代码保存为a.htm 
<html> <head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<title>新建网页 1</title> 
</head> <body> 
<SCRIPT> 
var oPopup = window.createPopup(); 
var popTop=50; 
function popmsg(msgstr){ 
var winstr="<table style=\"border: 1 solid #FFA6CA\" width=\"241\" height=\"172\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" background=\"http://www.blueidea.com/articleimg/2004/01/1576/04-s.jpg\" >"; 
winstr+="<tr><td height=\"30\"> </td></tr><tr><td align=\"center\"><table width=\"90%\" height=\"110\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">"; 
winstr+="<tr><td valign=\"top\" style=\"font-size:12px; color: blue; face: Tahoma\">"+msgstr+"</td></tr></table></td></tr></table>"; 
oPopup.document.body.innerHTML = winstr; 
popshow(); 

function popshow(){ 
window.status=popTop; 
if(popTop>1720){ 
clearTimeout(mytime); 
oPopup.hide(); 
return; 
}else if(popTop>1520&&popTop<1720){ 
oPopup.show(screen.width-250,screen.height,241,1720-popTop); 
}else if(popTop>1500&&popTop<1520){ 
oPopup.show(screen.width-250,screen.height+(popTop-1720),241,172); 
}else if(popTop<180){ 
oPopup.show(screen.width-250,screen.height,241,popTop); 
}else if(popTop<220){ 
oPopup.show(screen.width-250,screen.height-popTop,241,172); 

popTop+=10; 
var mytime=setTimeout("popshow();",50); 

popmsg(' <img border=\"0\" src=\"http://www.blueidea.com/img/common/logo.gif\" width=\"90\" height=\"27\">欢迎光临<a href="http://www.blueidea.com" >蓝色理想</a>,大量的设计资源等着你!有什么问题可以到经典论坛提出。'); 
</SCRIPT> </body> </html>