//funzione che apre un popup
function opens(url, width, height) {
	myWindow = null;
	myWindow = window.open(url,'name','directories=no,location=no,width='+width+',height='+height+',top=50,left=50,menubar=no,scrollbars=no,resizable=no,status=no');
	myWindow.focus();
}

//funzione che apre un popup con scrollbar
function opens2(url, width, height) {
	myWindow = null;
	myWindow = window.open(url,'name2','directories=no,location=no,width='+width+',height='+height+',top=50,left=50,menubar=no,scrollbars=yes,resizable=no,status=no');
	myWindow.focus();
}