Submenu={

	init: function() {
		Submenu.allBtns = $$('.cont a');
		Submenu.count = Submenu.allBtns.length;
		Submenu.allTab = $$('.text div');
		Submenu.clickE = Submenu.selected.bindAsEventListener();
		Submenu.start_observe();
	},
	
	start_observe:function(){
		for (i=0; i < Submenu.count; i++)
			Event.observe(Submenu.allBtns[i], 'click', Submenu.clickE);	
	},
	
	stop_observe:function(){
		for (i=0; i < Submenu.count; i++)
			Event.stopObserving(Submenu.allBtns[i], 'click', Submenu.clickE);
	},
	
	selected:function(e){
		e.stop();
		Submenu.stop_observe();
		var element = e.currentTarget || e.srcElement;
		var id = parseInt(element.id.split('-')[1]);
		for (i=0, l=Submenu.count; i<l; i++){
			Submenu.allBtns[i].removeClassName('selected');
			Submenu.allTab[i].style.display='none';
		}
		Submenu.allTab[id].style.display='block';
		element.addClassName('selected');
		Submenu.start_observe();
	}
};




function initialize() {
	Submenu.init();
}
if (window.addEventListener) window.addEventListener('load', initialize, false);
else window.attachEvent('onload', initialize);