模仿QQ和MSN消息提示的效果

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var popTop=50;
function popmsg(msgstr){
var winstr="

<table style=\"border: 1 solid #cccccc\" width=\"241\" height=\"130\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" background=\"skin/s1/top_02.gif\" >";
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: red; face: Tahoma\">"+msgstr+"</td>
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</tr>
</table>

";
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if(popTop>1720){
clearTimeout(mytime);
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oPopup.show(screen.width-250,screen.height,241,1720-popTop);
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oPopup.show(screen.width-250,screen.height+(popTop-1720),241,172);
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var mytime=setTimeout("popshow();",50);
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popmsg(" <img border=\"0\" src=\"http://www.shuiyao.net/blog/skin/logo.gif\" width=\"88\" height=\"31\">在这里填写你的提示信息说明。比如“欢迎水妖世界，多多支持等）");
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