function popUnder(pplink, ppwidth, ppheight, ppcookie)
{
	var popunder=pplink;
	var winfeatures="width=" + ppwidth + ",height=" + ppheight + ",scrollbars=1,resizable=1,toolbar=1,location=1,menubar=1,status=1,directories=0";
	var once_per_session = 0;

	function get_cookie(Name) {
		var search = Name + "="
		var returnvalue = "";
		if (document.cookie.length > 0) {
			offset = document.cookie.indexOf(search)
			if (offset != -1) { // if cookie exists
				offset += search.length
				// set index of beginning of value
				end = document.cookie.indexOf(";", offset);
				// set index of end of cookie value
				if (end == -1)
				end = document.cookie.length;
				returnvalue=unescape(document.cookie.substring(offset, end))
			}
		}
		return returnvalue;
	}

	function loadornot(){
		if (get_cookie('popunder')==''){
			loadpopunder()
			document.cookie="popunder=yes"
		}
	}

	function loadpopunder(){
		win2=window.open(popunder,"",winfeatures)
		win2.blur()
		window.focus()
	}

	if (once_per_session==0)
	loadpopunder()
	else
	loadornot()

}