<script language="JavaScript">
<!--
function ShowDialog(url, width, height, optValidate) {
 var arr = showModalDialog(url, window, "dialogWidth:" + width + "px;dialogHeight:" + height + "px;help:no;scroll:no;status:no");
}
//-->
</script>

<form method="post" name="myForm" action="">
<input type="text" name="face" id="face"> <input type="button" value="测  试" onClick="ShowDialog('test.html',450,200)">
</form>