1.asp
<script language="javascript">function showmodal(ipage,ipra){
var ret = window.showModelessDialog(ipage,null,ipra);
if (ret){alert('子窗口返回真!');
//window.location.reload();
}else{
alert('子窗口返回假!');
}}
</script>
<body>
<input name="" type="button" onClick="showmodal('2.asp','dialogHeight:800px;dialogWidth:980px;dialogTop:10px;help:no;status:yes;scrolls:yes')" />
</body>2.asp 就是个空白新建文档但是就这样 一打开2就返回真  很奇怪!!!!