var siSTR='';
if (ie) 
{ 
	siSTR+='<script language="javascript" src="menu_ie.js"></script>'; 
}
else if (ns4) 
{ 
	siSTR+='<script language="javascript" src="menu_ns4.js"></script>'; 
}
else if (ns6||mz7) 
{ 
	siSTR+='<script language="javascript" src="menu_ns6.js"></script>'; 
}
else if (op5&&!mac) 
{ 
	siSTR+='<script language="javascript" src="menu_op5.js"></script>'; 
}
else
{ 
	siSTR+='<script language="javascript" src="menu_ie.js"></script>'; 
}
document.write(siSTR);