function more_states (Pservice){ 
 	if ($("#more_states").is(":hidden")) {
	 	$.post("/get_more_states.html", {
			ajax: 'true', service: Pservice
		}, function(data){
			$("#more_states").html (data);
			$("#more_states").slideDown ('slow');
		})
	}else{
		$("#more_states").slideUp ('slow');
	}
}