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<html> <frameset cols="50%,50%"> <frame id="leftFrame" marginwidth="50" src="frame_marginwidth.htm"> <frame id="rightFrame" marginwidth="20" src="frame_a.htm"> </frameset> </html>
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<html> <body> script type="text/javascript"> x=parent.document.getElementById("leftFrame"); y=parent.document.getElementById("rightFrame"); document.write("Left/Right margins for leftFrame: "); document.write(x.marginWidth); document.write("<br />Left/Right margins for rightFrame: "); document.write(y.marginWidth); </script> </body> </html>