link fra netMenu til Iframe?

hej, har fundet dette netmenu script på nettet, det virker fint hvis man bare skal linke til en eller anden side, men hva skal man skrive hvis jeg skal linke til en side som skal åbne i en Iframe?

sciptet:

<applet code="NetMenu.class" align="baseline" archive="NetMenu.jar" width="230" height="400">
<param name="bgColor" value="000000">
<param name="topLevelColor" value="005A94">
<param name="secondLevelColor" value="85798C">
<param name="strColor" value="FFFFFF">
<param name="strHiColor" value="F0C070">
<param name="itemHeight" value="20">
<param name="font" value="Times New Roman">
<param name="sound" value="no">
<param name="menu0" value="General Information|*|Main Page,Who Are We?,What's New?,Contact Information|u0,u1,u2,u3">
<param name="u0" value="mainW|http://yegroup.tripod.com/">
<param name="u1" value="mainW|http://yegroup.tripod.com">
<param name="u2" value="mainW|http://yegroup.tripod.com/news.html">
<param name="u3" value="mainW|http://yegroup.tripod.com/contactus.html">
<param name="menu1" value="Applets|*|NetTree,NetTable,NetTab,NetMenu|u4,u5,u6,u7">
<param name="u4" value="mainW|http://yegroup.tripod.com/NetTree/NetTree.html">
<param name="u5" value="mainW|http://yegroup.tripod.com/NetTable/NetTable.html">
<param name="u6" value="mainW|http://yegroup.tripod.com/NetTab/NetTab.html">
<param name="u7" value="mainW|http://yegroup.tripod.com/NetMenu/NetMenu.html">
<param name="menu2" value="Java Resources|*|JARS,Java Boutique|u8,u9">
<param name="u8" value="mainW|http://www.jars.com/">
<param name="u9" value="mainW|http://javaboutique.internet.com/">
<param name="menu3" value="Ye's Homepage|u10">
<param name="u10" value="mainW|http://yegroup.tripod.com/">
</applet>