自己写的模仿163邮箱的提示,出现错误!

与你这hide()函数有关，重点检查下这函数；

解决方案 »

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   if(obj.filters.alpha.opacity<=0)
             {
             ClearTimeout(t.timer1);////////clearTimeout是小写
obj.style.display="none";
http://blog.never-online.net/article.asp?id=22
function hide(){
obj = document.all.ly;
window.status = "hide"+obj.filters.alpha.opacity;

   if(obj.filters.alpha.opacity<0)
这里如果obj.filters.alpha.opacity<＝0，就会出现2次循环，如果是<0就不会。不过也会需要点2次的，在第一次show运行完毕后，状态栏显示为show100而点确定的时候却是hide100，再点一次才开始逐渐的隐藏。为何是这样呢？想不明白
             {
             clearTimeout(t.timer1);
obj.style.display="none";
return;
}
             else
{
  obj.filters.alpha.opacity-=2;
  t.timer1=setTimeout("hide()",1)
  return;
          }

}
贴出答案，自己解决
<html>
<head>
</head>
<body>    <script>
var t=new Object();
var strdo ="";
var ishide = false;
function show(){
    clearTimeout(t);
    obj = document.all.ly;
    obj.style.display="block";
window.status = "show"+obj.filters.alpha.opacity;
    obj.style.width=document.body.clientWidth;
    obj.style.height=document.body.clientHeight;
if(obj.filters.alpha.opacity>100){
          clearTimeout(t);
              obj.filters.alpha.opacity=100;
              return;
             }else{
              obj.filters.alpha.opacity+=2;
              t=setTimeout("show()",1)
  return;
             }

}
function hide(){
obj = document.all.ly;
clearTimeout(t);
window.status = "hide"+obj.filters.alpha.opacity;
   if(obj.filters.alpha.opacity<0)
             {
             clearTimeout(t);
obj.style.display="none";
obj.filters.alpha.opacity = 0;
return;
}
             else
{
              obj.filters.alpha.opacity-=2;
  t=setTimeout("hide()",1)
  return;
          }

}function f_add()
{
  hide();
}
    </script>    <input type="button" value="显示" onclick="show()">
<div id="ly" style="position: absolute; top: 0px; filter: alpha(opacity=0); background-color: #f;z-index: 9999; left: 0px; display:block;"><div id="ly2" align="center" style="position: absolute; z-index: 99999;width:expression(document.all.tb_msg.clientWidth);           height:expression(document.all.tb_msg.clientHeight-80);left: expression((document.body.offsetWidth-document.all.tb_msg.offsetWidth)/2);top:expression((document.body.offsetHeight-document.all.tb_msg.offsetHeight)/2);bac kground-color: #fff;"><table width="340" id="tb_msg" border="1" cellpadding="0" cellspacing="0" style="border: 1px solid #e7e3e7;                border-collapse: collapse;"><tr><td style="background-color: #73A2d6; color: #fff; padding-left: 4px; padding-top: 2px;font-weight: bold; font-size: 14px;" height="27" >[数据保存]</td></tr><tr style="padding:4px;height:50px"><td align="center">保存成功</td></tr><tr><td style="background-color: #f7f7f7;" height="30" align="center" ><input type="button" value="新增" onclick="f_add()"/>   <input type="button" value="编辑记录" onclick="f_modify()"/>   <input type="button" value="退出" onclick="hide()"/></td></tr></table></div></div>
  </body>
</html>