var filterState = "visible";
function switchFilterState() {
	if(filterState=="visible") {
		$("#filter").children("div").hide();
		var handle = $("#filter legend");
		$(handle).children(".hide").hide();
		$(handle).children(".show").css("display","inline");
		filterState="hidden";
	} else {
		$("#filter").children("div").show();
		var handle = $("#filter legend");
		$(handle).children(".hide").css("display","inline");
		$(handle).children(".show").hide();
		filterState = "visible";
	}
}
$(document).ready(function(){
	switchFilterState();
	$("#filter legend").click(switchFilterState);
});