function coursesList(ordine){
	if (ordine==0){
//	uno=document.getElementById(item);
		document.getElementById('cs1').style.display="block";
		document.getElementById('cs2').style.display="block";
		document.getElementById('cs3').style.display="none";
		document.getElementById('cs4').style.display="none";
		document.getElementById('cs1').className="content";
		document.getElementById('cs2').className="content_2";
	}else if(ordine==1){
		document.getElementById('cs1').style.display="none";
		document.getElementById('cs2').style.display="block";
		document.getElementById('cs3').style.display="block";
		document.getElementById('cs4').style.display="none";
		document.getElementById('cs2').className="content";
		document.getElementById('cs3').className="content_2";
	}else if(ordine==2){
		document.getElementById('cs1').style.display="none";
		document.getElementById('cs2').style.display="none";
		document.getElementById('cs3').style.display="block";
		document.getElementById('cs4').style.display="block";
		document.getElementById('cs3').className="content";
		document.getElementById('cs4').className="content_2";
	}else{
		document.getElementById('cs1').style.display="block";
		document.getElementById('cs2').style.display="block";
		document.getElementById('cs3').style.display="none";
		document.getElementById('cs4').style.display="none";
		document.getElementById('cs1').className="content";
		document.getElementById('cs2').className="content_2";
	}


}

function downcorsi(){
vCount++;
if (vCount>2){vCount=2;}
//alert (vCount);
coursesList(vCount);
}
function upcorsi (){
vCount--;
if (vCount<0){vCount=0;}
//alert (vCount);
coursesList(vCount);
}