在showModalDialog和showModelessDialog中submit时不弹出新窗口
示列：
//-------------------------------------------------------
try0.html
打开一个Modal Dialog：
<input onclick="window.
try.html
需要提交表单的页面
<base target=_self>
<form action="try1.html" method="get" tagert="">
??? <input type="submit" value="submit">
</form>
=============================================方法2
window.name = "mywindow";
window.document.forms[0].submit();
<html:form action="/Action" method="post" target="mywindow">
<html:form>
