$(document).ready(function(){
	var login = $('#login');
	var password = $('#password');
	var loginVal = 'login...';
	var passwordVal = 'hasło...';
	password.val(passwordVal);
	var email = $('#email');
	var emailVal = 'podaj adres e-mail...';

	login.focus(function() {
		if($(this).val() == loginVal) {
			$(this).val('');
		}
	}).blur(function() {
		if(trim($(this).val()) == '') {
			$(this).val(loginVal);
		}
	});

	password.focus(function() {
		if($(this).val() == passwordVal) {
			$(this).val('');
		}
	});

	email.focus(function() {
		if($(this).val() == emailVal) {
			$(this).val('');
		}
	}).blur(function() {
		if(trim($(this).val()) == '') {
			$(this).val(emailVal);
		}
	});
});

function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}