如何更新同一个FrameSet中另一个Frame的内容
<FRAMESET rows="81,*,20" border="1" framespacing="0" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
<FRAME name="fraToolbar" src="" scrolling="no" border="0" frameborder="no" noresize topmargin="0" leftmargin="0" marginheight="0" marginwidth="0"></FRAME>
<FRAMESET name="fstMain" cols="210,*" border="1" frameborder="1" framespacing="6" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
<FRAME name="fraLeftFrame" src="FoldTree.aspx" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" frameborder="1" border="1"></FRAME>
<FRAME name="fraRightFrame" src="" frameborder="no" border="0" bordercolor="#6699CC"></FRAME>
</FRAMESET>
<FRAME name="fraBottom" src="" scrolling="no" border="0" frameborder="no" noresize topmargin="0" leftmargin="0" marginheight="0" marginwidth="0"></FRAME>
</FRAMESET>
是不是用parent.frames.fraRightFrame.URL = abc.htm?