var agt = navigator.userAgent.toLowerCase();
var versInt = parseInt(navigator.appVersion);
var is_ie	= ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_ie3    = (is_ie && (versInt < 4));
var is_ie4    = (is_ie && (versInt == 4) && (agt.indexOf("msie 4")!=-1) );
var is_aol   = (agt.indexOf("aol") != -1);
var is_aol3  = (is_aol && is_ie3);
var is_aol4  = (is_aol && is_ie4);
var is_aol5  = (agt.indexOf("aol 5") != -1);
var is_aol6  = (agt.indexOf("aol 6") != -1);
var is_comp   = (agt.indexOf("compuserve") != -1);
var is_comp2000   = (agt.indexOf("cs") != -1);	 
var is_compie = (is_comp && is_ie);  

function openPopup( url, name, widgets, openerUrl )
{
	var host = location.hostname;
	var popupWin = window.open( url, name, widgets );
	
	if ( openerUrl )
	{
		popupWin.opener.location = openerUrl;
	}

	if ( !( is_aol6 || is_aol3 || is_aol4 || is_aol5 || is_compie || is_comp2000) )
	{
		popupWin.opener.top.name = "opener";
		popupWin.focus();
	}
}