function check_all()
{
	$("#search_form input[type='checkbox']").attr("checked", "checked");
}

function uncheck_all()
{
	$("#search_form input[type='checkbox']").removeAttr("checked");
}

function update_date_selector(id)
{
	var day = $("#" + id + " select[name='" + id + "_day']").attr("value");
	var month = $("#" + id + " select[name='" + id + "_month']").attr("value");
	var year = $("#" + id + " select[name='" + id + "_year']").attr("value");
	
	$.get("/ajax/date_selector.html", { id: id, day: day, month: month, year: year }, function(data){
		  $("#" + id).html(data);
	});
}