// JavaScript Document		
		/*function show_hide_submenu(id, action)
		}				
				if(action=='show')
				{
					display='block';
				}
				
				if(action=='hide')
				{
					display='none';
				}
				
				document.getElementById(id).style.display;			
		}*/
		var current_submenu;
		function show_submenu(id, num)
		{				
			if(id==null)
			{
				current_submenu = id;	
			}
			
			
			for(i=0; i<num; i++)
			{
				
				if(id=='submenu_'+i)
				{
					current_submenu = i;
					display='block';
					action = 'show';
				}
				else
				{
					display='none';
					action = 'hide';
				}
				
				obj = document.getElementById('submenu_'+i);
				//alert(obj);
				if(obj!=null)
				{
					obj.style.display = display;
				}
				menu_arrow('menu_arrow_'+i, action)
			}
		}		
		function menu_arrow(id, action)
		{
			
			if(action=='show')
			{
				document.getElementById(id).style.visibility = 'visible';	
			}
			if(action=='hide' && id!=('menu_arrow_'+current_submenu))
			{
				document.getElementById(id).style.visibility = 'hidden';	
			}
			
		}