// define css
var ns4 = (document.layers)? true:false;
var ie = (document.all)? true:false;

if (ns4) 
{
	document.write('<link rel="StyleSheet" href="main_ns_54.css" type="text/css">');
}

else 
{
	document.write('<link rel="StyleSheet" href="main_54.css" type="text/css">')	;		
}

function helpWindow(wDoc) 
{
	hWin = window.open(wDoc, "HelpWin", "resizable,menubar,scrollbars,top=20,left=20,width=400,height=300");
}