模仿MSN消息提示的效果

 1<script>   
 2var oPopup = window.createPopup();   
 3var popTop=50;   
 4function popmsg(msgstr){   
 5var 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\ " >";   
 6winstr+="<tr><td height=\"30\"> </td></tr><tr><td align=\"center\"><table width=\"90%\" height=\"110\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";   
 7winstr+="<tr><td valign=\"top\" style=\"font-size:12px; color: red; face: Tahoma\">"+msgstr+"</td></tr></table></td></tr></table>";   
 8oPopup.document.body.innerHTML = winstr;   
 9popshow();   
10}   
11function popshow(){   
12window.status=popTop;   
13if(popTop>1720){   
14clearTimeout(mytime);   
15oPopup.hide();   
16return;   
17}else if(popTop>1520&&popTop<1720){   
18oPopup.show(screen.width-250,screen.height,241,1720-popTop);   
19}else if(popTop>1500&&popTop<1520){   
20oPopup.show(screen.width-250,screen.height+(popTop-1720),241,172);   
21}else if(popTop<180){   
22oPopup.show(screen.width-250,screen.height,241,popTop);   
23}else if(popTop<220){   
24oPopup.show(screen.width-250,screen.height-popTop,241,172);   
25}   
26popTop+=10;   
27var mytime=setTimeout("popshow();",50);   
28}   
29popmsg(" <img border=\"0\" src=\" http://www.blueidea.com/img/common/logo.gif\ " width=\"90\" height=\"27\">欢迎光临蓝色理想，大量的设计资源等着你!有什么问题可以到经典论坛提出。");   
30</script>