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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
function test1()
{
alert("test1")
}
function test2()
{
var img = document.getElementsByTagName("img")[0]
img.onclick=img.onclick=null;
}
function test3()
{
var img = document.getElementsByTagName("img")[0]
img.onclick=img.onclick=test1;
}
</SCRIPT>
</HEAD>
<BODY>
<TABLE>
<TR>
<TD width="180" valign="middle" align="center">
<IMG src="t1.jpg" style="cursor:hand;" onClick="test1();">
</TD>
<TD width="180" valign="middle" align="right" >
<IMG src="t2.jpg" style="cursor:hand;" onClick="test2();">
</TD>
<TD width="180" valign="middle" align="right" >
<IMG src="t3.jpg" style="cursor:hand;" onClick="test3();">
</TD>
</TR>
</TABLE>
</BODY>
</HTML>