var bookingWindow = null;
	
	function gaq_popup(obj) {
		
		var url = obj.href;
		var height = 800;
		var width=1600;
		
		if(!(obj.getAttribute("data-height")===null)) {
			if(!(obj.getAttribute("data-height")=="")) 
				height = obj.getAttribute("data-height");
		}

		if(!(obj.getAttribute("data-width")===null)) {
			if(!(obj.getAttribute("data-width")=="")) 
				width = obj.getAttribute("data-width");
		}

		var tracker = _gat._getTrackerByName();
		var fullUrl = tracker._getLinkerUrl(url);
		
		if(bookingWindow == null || bookingWindow.closed) {
		    bookingWindow = window.open(fullUrl,
		   "bookingWindowName", "toolbar=no,menubar=no,scrollbars=yes,height=" + height + ",width=" + width);
		} else {
			bookingWindow.location = fullUrl;
		    bookingWindow.focus();
		}
		return false;
	}