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);
			}
		}
}