function activateMenu(elm)
		{
			if(elm.className == 'submenu')
			{
				elm.className = 'submenu-over';
			}
			else
			{
				elm.className = 'submenu';
			}
			activateSubMenu('submenu-' + elm.id);
		}
		function activateSubMenu(id)
		{
			var elm = document.getElementById(id);
			if(elm.style.display == '')
			{
				elm.style.display = 'none';
			}
			else
			{
				elm.style.display = '';
			}
		}
		function activateAllSubMenus()
		{
			var divArray = document.getElementsByTagName('div');
			var divCount = divArray.length;
			while(divCount--) 
				{
					if(divArray[divCount].id && divArray[divCount].id.indexOf( 'submenu-' )===0 ) 
					{
						activateSubMenu(divArray[divCount].id);
					}
				}
		}