// Funzioni di servizio
function openDrawings(which) {
	popupWin = window.open(which, '', 'scrollbars=yes,resizable=yes,width=670,height=485,left=20,top=20')
}
function openDrawings2(which) {
	popupWin = window.open(which, '', 'scrollbars=yes,resizable=yes,width=750,height=550,left=20,top=20')
}