window.onload?=?function(){
			var?oDiv?=?document.getElementById('alpha');
			oDiv.onmouseover?=?function(){
				startChange(1);
			};
			oDiv.onmouseoout?=?function(){
				startChange(0.3);
			};
		}
		var?timer?=?null;
		var?alpha?=?0.3;
		function?startChange(target){
			var?oDiv?=?document.getElementById('alpha');
			clearInterval(timer);
			timer?=?setInterval(function(){
				var?speed?=?0;
				if?(alpha?>?target)?{
					speed?=?-0.03;
				}?else?{
					speed?=?0.03;
				}

				if?(alpha?==?target)?{
					clearInterval(timer);
				}?else?{
				alpha?+=?speed;
				oDiv.style.opacity?=?alpha;
				}
			},30)
		}