// JavaScript Document
function sprawdzMail(x)
{

	var wzorMail = /^[a-zA-Z0-9_\.\-]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-\.]+$/;
	var objRegExp = new RegExp(wzorMail);
	
	return objRegExp.test(x);
}

function sprawdzTelefon(x)
{

	var wzorMail = /^[0-9]{9}$/;
	var objRegExp = new RegExp(wzorMail);
	
	return objRegExp.test(x);
}


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"), "");
}