// blokowanie wklejania i kopiowania
function disableCtrl(e, msg) {
	var code = window.event ? e.keyCode : e.which;
	var ctrl = window.event ? e.ctrlKey : e.ctrlKey;
	var button = e.button;
	
	if ((ctrl && code==86) || (ctrl && code==67) || button == 2)
	{
		if(window.event)
			window.event.returnValue = false;
		else
			e.preventDefault();
		
		alert(msg);
	}
}

function digsOnlyAndMinus(e) {
	var key = window.event ? e.keyCode : e.which;
	var keychar = String.fromCharCode(key);
	
	if(key < 32 || key == 127 || key == 45)
		return true;

	reg = /\d/;
	return reg.test(keychar);
}

// mozliwosc wpisywania tylko numerow
function digsOnly(e) {
	var key = window.event ? e.keyCode : e.which;
	var keychar = String.fromCharCode(key);
	
	if(key < 32 || key == 127)
		return true;

	reg = /\d/;
	return reg.test(keychar);
}

function selectRadioById(id) {
	object = document.getElementById(id);
	object.checked = true;
}