Hh = {
	start:function(){
		Hh.menu = $$('.cell img');
		Hh.activateThumb(Hh.menu);
	},
	
	activateThumb:function(menu){
		//console.log("init");
		menu.each(function(i){
			i.addEvent('mouseover',function(e){
				//console.log(this.id);
				var tid = this.id.substr(1);
				Hh.active = tid;
				if(Hh.previous != null)
					$(Hh.previous).setStyle('visibility','hidden');
				$(tid).setStyle('visibility','visible');
				//console.log(tid);
				Hh.showDefault(false);
			});
			i.addEvent('mouseout',function(e){
				Hh.previous = Hh.active;
			});
		});
	},
	
	showDefault:function(bshow){
		var f = (bshow) ? 'visible' : 'hidden';
		$('chartintro').setStyle('visibility',f);
	}

}

window.addEvent("domready",Hh.start);