function Popup() {
	window.open("","popup","scrollbars=yes,resizable=yes,width=600,height=400,left=100,top=100");
}

function Login_user(){
	if (document.login.pw.value != ""){
		return true;
	} else {
		return false;
	}
}

function FileUp(){
	if (document.file_upload.NomeFile.value != ""){
		return true;
	} else {
		return false;
	}
}

function Login_admin(){
	if ((document.login_admin.username.value != "") && (document.login_admin.password.value != "")){
		return true;
	} else {
		return false;
	}
}