下面这段是分帧并屏蔽了鼠标右键,用什么方法能恢复右键功能呢?<FRAMESET
onmouseup=document.selection.empty() oncontextmenu="return false"
onselectstart="return false" id=myHomeworkFrame ondragstart="return false"
onbeforecopy="return false" oncopy=document.selection.empty() border=0
frameSpacing=0 rows=0,* frameBorder=no
onselect="document.selection.empty()"><FRAME id=topFrame title=topFrame
name=topFrame src="homeworkTop.asp" noResize scrolling=no><FRAME id=mainFrame
title=mainFrame name=mainFrame
src="HomeworkChild.asp?PMID=!&CID=@@^("></FRAMESET>
onmouseup=document.selection.empty() oncontextmenu="return false"
onselectstart="return false" id=myHomeworkFrame ondragstart="return false"
onbeforecopy="return false" oncopy=document.selection.empty() border=0
frameSpacing=0 rows=0,* frameBorder=no
onselect="document.selection.empty()"><FRAME id=topFrame title=topFrame
name=topFrame src="homeworkTop.asp" noResize scrolling=no><FRAME id=mainFrame
title=mainFrame name=mainFrame
src="HomeworkChild.asp?PMID=!&CID=@@^("></FRAMESET>
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