function checkMailFormat(){
	var result = true;
	var checkMail = new RegExp("^[a-z0-9._-]+@[a-z0-9._-]+.[a-z]{2,6}?$");

		
			
			if(document.getElementById('email').value!=''){
				if (!checkMail.test(document.getElementById('email').value)){
					document.getElementById('email_label').style.color = 'red';
					result = false;
				} else document.getElementById('email_label').style.color = '#888888';
			} else {
				document.getElementById('email_label').style.color = 'red';
				result = false;
				}
			
		
	if(!result) infoBox('Zmiana adresu eMail','Podany adres eMail jest niepoprawny'); 
	return result;
}