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<html> 
<frameset rows="100,*" frameborder="yes" border="20px" framespacing="5" cols="*">  
   <frame name="topFrame" scrolling="NO" noresize src="http://www.java2s.com"> 
   <frameset cols="41%,*" border="15px" framespacing="0" rows="*">  
       <frame name="topFrame" src="myInnerFrame.htm"> 
       <frame name="mainFrame" src="http://www.java2s.com"> 
   </frameset> 
</frameset> 
</html> 
<!-- 
Contents of myInnerFrame.htm: 
<html> 
<head> 
<script language="JavaScript"> 
function P1() { 
   alert(window.parent.mainFrame.document.all.CBP.innerText); 
} 
</script></head> 
<body style="background-color:white;"> 
<input type="button" value="View Content of CBP" onclick="P1();"> 
</body> 
</html> 
--> 
     
       
         
     
   
    
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