Código PHP:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML Transitional//EN">
<HTML><HEAD>
<SCRIPT type="text/javascript" src="jquery-1.6.2.js">
</SCRIPT>
</HEAD>
<BODY>
<BR /><BR />
<TABLE style="WIDTH: 500px" border="1" align="center">
<TR onmouseover='this.style.backgroundColor="#99FFFF"' onmouseout='this.style.backgroundColor="#FFFFFF"' onclick="$('#div_cpo_mod').load('forms.php',{bus_cli_qui_mod:true, id_cli:'2'})">
<TD>gustavo</TD>
<TD>Luis Loterias</TD>
</TR>
</TABLE>
<DIV id="div_cpo_mod" align="center"></DIV>
</BODY></HTML>