javascript引用框架问题
<frameset id="attachucp" rows="*" cols="280,10,*" frameborder="no" border="0" framespacing="0">
<frame src="left.aspx" name="leftFrame" frameborder="no" scrolling="yes" noresize>
<frame src="mainswitch.html" id=leftbar name="switchFrame" scrolling="no" noresize>
<frameset id="attachucp1" rows="50%,10,35,*" border=1 frameSpacing=0 frameBorder=0 >
<frame name="Content_Top" scrolling="1"/>
<frame src="mainswitch1.html" id=bottombar name="bottomFrame" scrolling="no" noresize>
<frame name="main1" />
<frame name="Content"/>
</frameset>
</frameset>
偶的框架结构,偶在mainswitch1.html中想用javascript控制attachucp1框架的rows,语句要怎么写呢