/* (c) QuickSoft 2005 */

function is_allowed_control_char(ev) {
	var iKeyCode = ev.which||ev.keyCode;

 	if ((iKeyCode > 36 && iKeyCode < 41) || (iKeyCode > 34 && iKeyCode < 37)) return true;
 	if (ev.ctrlKey && (iKeyCode == 67 || iKeyCode == 86 || iKeyCode == 88 || iKeyCode == 90)) return true;
 	if ((iKeyCode == 8)) return true;
 	if ((iKeyCode == 9)) return true;
 	// || (iKeyCode == 46)

	return false;
}

function is_digit(kod) {
	return ((kod>47) && (kod<58));
}

function is_myslnik(kod) {
	if (String.fromCharCode(kod) == "-") return true;
	return (kod == 189);
}

function is_dot(kod) {
	if (String.fromCharCode(kod) == ".") return true;
	else return false;
}

function is_plus(kod) {
	if (String.fromCharCode(kod) == "+") return true;
	else return false;
}

function is_nawias(kod) {
	if ((String.fromCharCode(kod) == "(") || (String.fromCharCode(kod) == ")")) return true;
	else return false;
}

function is_spacja(kod) {
	if (String.fromCharCode(kod) == " ") return true;
	else return false;
}


function onkeypress_kod_checker(e, inp) {
	if (is_allowed_control_char(e)) return true;

    var iKeyCode = e.which||e.keyCode;
    var len = inp.value.length;

 	if (len < 2) return is_digit(iKeyCode);
 	else if (len == 2) return is_myslnik(iKeyCode);
 	else if (len < 6) return is_digit(iKeyCode);
	else return false;
}

function onkeypress_liczba_checker(e, inp) {
	if (is_allowed_control_char(e)) return true;

    var iKeyCode = e.which||e.keyCode;
    var len = inp.value.length;
    
 	return is_digit(iKeyCode);
}

function onkeypress_liczba_or_dot_checker(e, inp) {
	if (is_allowed_control_char(e)) return true;

    var iKeyCode = e.which||e.keyCode;
    var len = inp.value.length;
    
 	return is_digit(iKeyCode) || is_dot(iKeyCode);
}

function onkeypress_telefon_checker(e, inp) {
	if (is_allowed_control_char(e)) return true;

    var iKeyCode = e.which||e.keyCode;
    
 	return (is_digit(iKeyCode) || is_myslnik(iKeyCode) || is_nawias(iKeyCode) || is_spacja(iKeyCode) || is_plus(iKeyCode));
}

function onkeypress_data_readonly_checker(e, inp) {
    var iKeyCode = e.which||e.keyCode;
    return (iKeyCode == 9);
}