//############# validate #####################

function validate_mess(formular)
{
	if (formular.Email.value=="")
	{
	alert("Položka Email musí byt vyplnená!");
	formular.Email.focus();
	return false;
    }
    
   
   else if (window.RegExp)
    {
        re = new RegExp("^[^@]+@[^.]+\..+$");
        if (!re.test(formular.Email.value))
        {
            alert("Neplatná emailová adresa!");
            formular.Email.focus();
            return false;
        }
    }
        else 
        return true;
 }