function jump_menu(id)
	{
			var dropdownIndex = document.getElementById(id).selectedIndex;
			var dropdownValue = document.getElementById(id)[dropdownIndex].value;

			window.location.href=dropdownValue;

	}

		function clearValue(id)
	{
		document.getElementById(id).value='';	
	}
	
	function toggle_menu(category_id)
	{
		$("#submenu"+category_id).toggle("slow");

		if($("#sign"+category_id).attr("src")=="images/minus.jpg")
		$("#sign"+category_id).attr("src","images/plus.jpg");		
		else
		$("#sign"+category_id).attr("src","images/minus.jpg");		
	}