又是一个刷新问题～！

框架页面:frame.htm<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META NAME="Author" CONTENT="Seagle.K">
<SCRIPT LANGUAGE="JavaScript">
var a = 1;
</SCRIPT>
</HEAD>
<FRAMESET COLS="200,*">
<FRAME SRC="left.htm" NAME="left">
<FRAME SRC="javascript:alert(top.a++)" NAME="right">
</FRAMESET>
</HTML>＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
左帧页面：<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META NAME="Author" CONTENT="Seagle.K">
<SCRIPT LANGUAGE="JavaScript">
function fnOpen(){
   window.showModalDialog("showModalDialog_target.htm", window, "dialogHeight:300px;dialogWidth: 300px;")
}
</SCRIPT>
</HEAD>
<BODY>
<button onclick="fnOpen()">打开模式窗</button>
</BODY>
</HTML>＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
模式框页面：showModalDialog_target.htm<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META NAME="Author" CONTENT="Seagle.K">
<SCRIPT LANGUAGE="JavaScript">
function reflash()
{
window.dialogArguments.top.right.location.reload();
window.close();
}
</SCRIPT>
</HEAD>
<BODY>
<INPUT TYPE="button" VALUE="Reflash The Right Frame" ONCLICK="reflash()">
</BODY>
</HTML>