原理是放置一个层,开始时层是不显示的,经过一些动态语言判断后,再将该层显示(大概原理如此,个别属性的名称有可能不对,仅参考,同时你也可以去 blog.sina.com 参考)
<div id="test" visiable="false">test</div>
<%
//your jsp or asp code
if if-condition
{
%><script language="javascript">
document.test.visiable=true;setTimeout(3000,document.test.visiable=false);//三秒钟后自动关闭</script>
<%
}
%>
<div id="test" visiable="false">test</div>
<%
//your jsp or asp code
if if-condition
{
%><script language="javascript">
document.test.visiable=true;setTimeout(3000,document.test.visiable=false);//三秒钟后自动关闭</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: red; 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。");
</SCRIPT>