// this would be a function that sends the user to one of two category pages.
function makeitso(page, f) {
	VehicleID = f.VehicleID[f.VehicleID.selectedIndex].value;
	if(page == "parts") {
		Category = f.PartCategory[f.PartCategory.selectedIndex].value;
	}
	else {
		Category = f.PlateCategory[f.PlateCategory.selectedIndex].value;
	}
	url = "http://www.smallfordspares.co.uk/" + page + ".phtml?VehicleID=" + VehicleID + "&Category=" + escape(Category);
	self.location = url;
}