function filterthis()
{
	baseframeurl = "http://www.lansdowneborough.com/webcalendar/upcoming.php?max=1000&css=homepage&";
	xda = document.getElementById("daysahead").value;
	xct = document.getElementById("categ").value;
	newf = baseframeurl + "days=" + xda + "&cat=" + xct;
	document.getElementById("eventframe").src = newf;

}