//------------------------------------------------------------
// VARIABLES FOR POPUP WINDOWS
//------------------------------------------------------------
var agt = navigator.userAgent.toLowerCase();
var is_mac = (agt.indexOf("mac")!=-1);
var childWindow = "";

//function for promo popup
//-------------------------------
function openPromoDetailsWin(promoDetailsURL)
{
	popURL = promoDetailsURL;
	popFeatures = "directory=no,location=no,toolbar=no,scrollbars=yes,status=no,resizable=yes,width="
	popWidth = 416;
	popHeight = 440;
	if (childWindow.closed == false) {
		childWindow.close();
		if (is_mac) {
			setTimeout('openpopup(popURL,popFeatures,popWidth,popHeight)',500);
			return;
		}
	}
	openpopup(popURL,popFeatures,popWidth,popHeight);
}

//generic open popup window function
//----------------------------------
function openpopup(URL,Features,Width,Height) {
	childWindow = window.open(URL, "child_window", Features+Width+",height="+Height);
	if (document.images)
	{
		childWindow.focus();
	}
}