function start()
    {
    var larg = 790;
    var alt = 550;
    var posX=(screen.availWidth-larg)/2;
    var posY=(screen.availHeight-alt)/2;

    window.open('enter.html',"cinziaratto","toolbar=no,width=790,height=550,directories=no,status=yes,scrollbars=no,resize=no,resizable=no,menubar=no,screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");
		
    }  
	
function enstart()
    {
    var larg = 790;
    var alt = 550;
    var posX=(screen.availWidth-larg)/2;
    var posY=(screen.availHeight-alt)/2;

    window.open('enenter.html',"cinziaratto","toolbar=no,width=790,height=550,directories=no,status=yes,scrollbars=no,resize=no,resizable=no,menubar=no,screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");
		
    } 
	
function apripop(URL,NOME,W,H)
{
X = (screen.width - W) / 2;
Y = (screen.height - H) / 2;
P = "width=" + W + ",height=" + H + ",top=" + Y + ",left=" + X + ",";
//P+= "top=" + Y + ",left=" + X + ",";
/*P+= "scrollbars=no,status=no,resizable=no";*/
POP = window.open(URL, NOME, P);
POP.window.focus();
}