function MM_ShowHideCat(){
	var args = MM_ShowHideCat.arguments;
	if (args.length > 0)
		{
	
	if ((obj=MM_findObj(args[0]+'_menu'))!=null)
	
		{
			obj.style.display=(obj.style.display=='none')?'':'none';
			}
		}
}

function change(id)
{
 obj = document.getElementById(id);
 if(obj.style.display == "")
 {
 obj.style.display = "none";
 }
 else
 {
  obj.style.display = "";
 }
}