function image_list(obj, status){
			if(status == 'on'){
				document.getElementById(obj).style.visibility='visible';
			}else{
				document.getElementById(obj).style.visibility='hidden';
			}
}

function down(){
	scroll = 'down'
	scrollDown();
}
function downAgain(){
	if (scroll=='down'){
		scrollDown();
	}
}
function scrollDown(){
	obj = document.getElementById('scroll')
	obj.scrollTop = obj.scrollTop + 8;
	window.setTimeout(downAgain,25);
	
}
function stopScroll(){
	scroll = 'no'
}

function up(){
	scroll = 'up';
	scrollUp();
}
function upAgain(){
	if (scroll=='up'){
		scrollUp();
	}
}
function scrollUp(){
	var clearUp
	obj = document.getElementById('scroll')
	obj.scrollTop = obj.scrollTop - 8;
	clearUp = window.setTimeout(upAgain,25);
	
}


function Carica(){
		obj = document.getElementById('compare')
		alert(obj.offsetHeight);
}


var scroll