var myrules = {
	'.mo' : function(el){
		el.onmouseover = function(){
			var mydiv = document.getElementById('subMenu');
			mydiv.style.display = (mydiv.style.display == 'block') ? 'none' : 'block';
		};
		el.onmouseout = function(){
			var mydiv = document.getElementById('subMenu');
			mydiv.style.display = (mydiv.style.display == 'block') ? 'none' : 'block';
		}
	}
	
};

Behaviour.register(myrules);


/*
	function toggledisplay(id) {
		if (document.getElementById) {
			var mydiv = document.getElementById(id);
			mydiv.style.display = (mydiv.style.display == 'block') ? 'none' : 'block';
		}
	}

*/