function menuslide(el){
	if (!el.status){
		 el.status = 'in';
	}
	switch ( el.status ) {
		case 'in':
			//el.status = 'running';
			new Effect.Move(el, { x: 10, y: 0, mode: 'absolute', duration:0.2, transition: Effect.Transitions.sinoidal, beforeStart: function() { el.status = 'out'; } });
			break;
		
		case 'out':
			//el.status = 'running';
			new Effect.Move(el, { x: 0, y: 0, mode: 'absolute', duration:0.2, transition: Effect.Transitions.sinoidal, beforeStart: function() { el.status = 'in'; } });
			break;
			
		//case 'running':
			//break;
	}
}