var pc = 0;
var mac = 0;
var ie = 0;
var ns = 0;
var safari = 0;

/// operating system

if (navigator.userAgent.indexOf('Win') != -1) {
	pc = 1;
}

if (navigator.userAgent.indexOf('Mac') != -1) {
	mac = 1;
}

/// browser

if (navigator.userAgent.indexOf('MSIE') != -1) {
	ie = 1;
}

if (navigator.userAgent.indexOf('Netscape') != -1) {
	ns = 1;
}

if (navigator.userAgent.indexOf('Safari') != -1) {
	safari = 1;
}

function NB_popup(url, title, width, height)
{
	x = (screen.availWidth - width) / 2;
	y = (screen.availHeight - height) / 2;
	props = 'width='+width+',height='+height+',resizable=no,scrollbars=no,menubar=no,toolbar=no,directories=no,location=no,status=no';
	if (safari == 1) {
		props = props + ',screenX='+x+',screenY='+y;
	} else {
		props = props + ',left='+x+',top='+y;
	}
	w = window.open(url, title, props);
}

function NB_popup_scrollbars(url, title, width, height)
{
	x = (screen.availWidth - width) / 2;
	y = (screen.availHeight - height) / 2;
	props = 'width='+width+',height='+height+',resizable=no,scrollbars=yes,menubar=no,toolbar=no,directories=no,location=no,status=no';
	if (safari == 1) {
		props = props + ',screenX='+x+',screenY='+y;
	} else {
		props = props + ',left='+x+',top='+y;
	}
	w = window.open(url, title, props);
}

function NB_spreadsheet_clearrow(form, row)
{
	for (i = 0; i < 8; i++) {
		form['riga_colonna_0'+i+'['+row+']'].value = '';
	}
	form['riga_commento['+row+']'].value = '';
}

function NB_spreadsheet_clearallrows(form, numrows)
{
	for (row = 0; row < numrows; row++) {
		NB_spreadsheet_clearrow(form, row)
	}
}

function NB_spreadsheet_clearall(form, numrows)
{
	NB_spreadsheet_clearallrows(form, numrows);
	form['lst_titolo'].value = '';
	form['lst_titolo_dx'].value = '';
	//form['lst_sottotitolo_01'].value = '';
	//form['lst_sottotitolo_02'].value = '';
	//form['lst_sottotitolo_03'].value = '';
}

function NB_input_checkbox_hash_checkall(hash)
{
	for (var key in hash) {
		hash[key].checked = true;
	}
}

function NB_specialoffers_handle_ofe_utente_checkall(checkbox, form)
{
	pattern = /^ofe_utente\[.+\]\[checked\]$/;
	if (checkbox.checked) {
		for (var i = 0; i < form.elements.length; i++) {
			if (pattern.test(form.elements[i].name))
				form.elements[i].checked = true;
		}
	}
}

function NB_specialoffers_handle_ofe_utente_checked(checkbox, checkbox_to_uncheck, form)
{
	pattern = /^ofe_utente\[.+\]\[checked\]$/;
	found_not_checked = false;
	
	if (!checkbox.checked) {
		checkbox_to_uncheck.checked = false;
	} else {
		for (var i = 0; i < form.elements.length; i++) {
			if (pattern.test(form.elements[i].name)) {
				if (!form.elements[i].checked) {
					found_not_checked = true;
					break;
				}
			}
		}
		if (!found_not_checked)
			checkbox_to_uncheck.checked = true;
	}
}

function NB_specialoffers_selectall(form)
{
	pattern = /^ofe_utente\[.+\]\[checked\]$/;
	for (var i = 0; i < form.elements.length; i++) {
		if (pattern.test(form.elements[i].name)) {
			form.elements[i].checked = true;
		}
	}
}

function NB_specialoffers_deselectall(form, another_checkbox_to_deselect)
{
	another_checkbox_to_deselect.checked = false;
	pattern = /^ofe_utente\[.+\]\[checked\]$/;
	
	for (var i = 0; i < form.elements.length; i++) {
		if (pattern.test(form.elements[i].name)) {
			form.elements[i].checked = false;
		}
	}
}

function NB_print_document() {
	var NS = (navigator.appName == "Netscape");
	if (NS) {
		window.print() ;  
	} else {
		var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
		document.body.insertAdjacentHTML('beforeEnd', WebBrowser);
		WebBrowser1.ExecWB(6, 2);
		WebBrowser1.outerHTML = "";  
	}
}