function cserel (mit, mire)
{
        document[mit].src = mire;
}

function canenter ()
{
	var azonosito = document.form_enter.form_azonosito.value;
	var jelszo = document.form_enter.form_jelszo.value;

	if (azonosito == "")
	{
		alert ("Hiányos kitöltés az azonosítónál!");
		return false;
	} else {
          if (is_it_alfaenglish_or_number(azonosito)==false)
          {
            return false;
          }
        }

	if (jelszo == "")
	{
		alert ("Hiányos kitöltés a jelszónál!");
		return false;
	} else {
          if (is_it_alfa_or_number(jelszo)==false)
          {
            return false;
          }
        }

}

function canreenter ()
{
	var azonosito = document.form_reenter.form_azonosito.value;
	var jelszo = document.form_reenter.form_jelszo.value;

	if (azonosito == "")
	{
		alert ("Hiányos kitöltés az azonosítónál!");
		return false;
	} else {
          if (is_it_alfaenglish_or_number(azonosito)==false)
          {
            return false;
          }
        }

	if (jelszo == "")
	{
		alert ("Hiányos kitöltés a jelszónál!");
		return false;
	} else {
          if (is_it_alfa_or_number(jelszo)==false)
          {
            return false;
          }
        }

}

function canresend ()
{
	var azonosito = document.form_resend.form_azonosito.value;
	var email = document.form_resend.form_email.value;

	if (azonosito == "")
	{
		alert ("Hiányos kitöltés az azonosítónál!");
		return false;
	} else {
          if (is_it_alfaenglish_or_number(azonosito)==false)
          {
            return false;
          }
        }

	if (email == "")
	{
		alert ("Hiányos kitöltés az e-mail címnél!");
		return false;
	} else {
          if (is_it_alfa_or_number(email)==false)
          {
            return false;
          }
        }

}

function canregister ()
{
        var vezeteknev = document.form_registration.form_vezeteknev.value;
	var keresztnev = document.form_registration.form_keresztnev.value;
	var azonosito = document.form_registration.form_azonosito.value;
	var email = document.form_registration.form_email.value;

	var licenc = document.form_registration.form_licenc.value;

	if (vezeteknev == "")
	{
		alert ("Hiányos kitöltés a vezetéknévnek!");
		return false;
	} else {
          if (is_it_alfa_or_number(vezeteknev)==false)
          {
            return false;
          }
        }

	if (keresztnev == "")
	{
		alert ("Hiányos kitöltés a keresztnévnek!");
		return false;
	} else {
          if (is_it_alfa_or_number(keresztnev)==false)
          {
            return false;
          }
        }

	if (azonosito == "")
	{
		alert ("Hiányos kitöltés az azonosítónál!");
		return false;
	} else {
          if (is_it_alfaenglish_or_number(azonosito)==false)
          {
            return false;
          }
        }
	if (email == "")
	{
		alert ("Hiányos kitöltés az e-mail címnek!");
		return false;
	} else {
          if (is_it_alfa_or_number(email)==false)
          {
            return false;
          }
        }

	if (licenc != "y")
	{
		alert ("Nem fogadta el a feltételeket!");
		return false;

        }
}

function canchangedata ()
{
	var jelszo = document.form_changedata.form_jelszo.value;
        var vezeteknev = document.form_changedata.form_vezeteknev.value;
	var keresztnev = document.form_changedata.form_keresztnev.value;
	var email = document.form_changedata.form_email.value;

	if (jelszo == "")
	{
		alert ("Hiányos kitöltés a jelszónál!");
		return false;
	} else {
          if (is_it_alfa_or_number(jelszo)==false)
          {
            return false;
          }
        }

	if (vezeteknev == "")
	{
		alert ("Hiányos kitöltés a vezetéknévnek!");
		return false;
	} else {
          if (is_it_alfa_or_number(vezeteknev)==false)
          {
            return false;
          }
        }

	if (keresztnev == "")
	{
		alert ("Hiányos kitöltés a keresztnévnek!");
		return false;
	} else {
          if (is_it_alfa_or_number(keresztnev)==false)
          {
            return false;
          }
        }

	if (email == "")
	{
		alert ("Hiányos kitöltés az e-mail címnek!");
		return false;
	} else {
          if (is_it_alfa_or_number(email)==false)
          {
            return false;
          }
        }

}

function canchangebanner ()
{
	var banner = document.form_changebanner.form_banner.value;
        var alt = document.form_changebanner.form_alt.value;
	var webcim = document.form_changebanner.form_webcim.value;

	if (banner == "")
	{
		alert ("Hiányos kitöltés a bannernél!");
		return false;
	} else {
          if (is_it_alfa_or_number(banner)==false)
          {
            return false;
          }
          
        }

	if (alt == "")
	{
		alert ("Hiányos kitöltés az altnák!");
		return false;
	} else {
          if (is_it_alfa_or_number(alt)==false)
          {
            return false;
          }
        }

	if (webcim == "")
	{
		alert ("Hiányos kitöltés a weboldalnál!");
		return false;
	} else {
          if (is_it_alfa_or_number(webcim)==false)
          {
            return false;
          }
        }


}

function is_it_alfa_or_number (cucc)
{
	var valid = true;
	if (cucc.length > 0)
	{
		for (i = 0; i < cucc.length; i++)
		{
			if (!(	(cucc.charAt (i) === 'ö') ||
				(cucc.charAt (i) === 'ü') ||
				(cucc.charAt (i) === 'ó') ||
				(cucc.charAt (i) === 'q') ||
				(cucc.charAt (i) === 'w') ||
				(cucc.charAt (i) === 'e') ||
				(cucc.charAt (i) === 'r') ||
				(cucc.charAt (i) === 't') ||
				(cucc.charAt (i) === 'z') ||
				(cucc.charAt (i) === 'u') ||
				(cucc.charAt (i) === 'i') ||
				(cucc.charAt (i) === 'o') ||
				(cucc.charAt (i) === 'p') ||
				(cucc.charAt (i) === 'ő') ||
				(cucc.charAt (i) === 'ú') ||
				(cucc.charAt (i) === 'a') ||
				(cucc.charAt (i) === 's') ||
				(cucc.charAt (i) === 'd') ||
				(cucc.charAt (i) === 'f') ||
				(cucc.charAt (i) === 'g') ||
				(cucc.charAt (i) === 'h') ||
				(cucc.charAt (i) === 'j') ||
				(cucc.charAt (i) === 'k') ||
				(cucc.charAt (i) === 'l') ||
				(cucc.charAt (i) === 'é') ||
				(cucc.charAt (i) === 'á') ||
				(cucc.charAt (i) === 'í') ||
				(cucc.charAt (i) === 'y') ||
				(cucc.charAt (i) === 'x') ||
				(cucc.charAt (i) === 'c') ||
				(cucc.charAt (i) === 'v') ||
				(cucc.charAt (i) === 'b') ||
				(cucc.charAt (i) === 'n') ||
				(cucc.charAt (i) === 'm') ||
				(cucc.charAt (i) === 'ű') ||
				(cucc.charAt (i) === 'Ö') ||
				(cucc.charAt (i) === 'Ü') ||
				(cucc.charAt (i) === 'Ó') ||
				(cucc.charAt (i) === 'Q') ||
				(cucc.charAt (i) === 'W') ||
				(cucc.charAt (i) === 'E') ||
				(cucc.charAt (i) === 'R') ||
				(cucc.charAt (i) === 'T') ||
				(cucc.charAt (i) === 'Z') ||
				(cucc.charAt (i) === 'U') ||
				(cucc.charAt (i) === 'I') ||
				(cucc.charAt (i) === 'O') ||
				(cucc.charAt (i) === 'P') ||
				(cucc.charAt (i) === 'Ő') ||
				(cucc.charAt (i) === 'Ú') ||
				(cucc.charAt (i) === 'A') ||
				(cucc.charAt (i) === 'S') ||
				(cucc.charAt (i) === 'D') ||
				(cucc.charAt (i) === 'F') ||
				(cucc.charAt (i) === 'G') ||
				(cucc.charAt (i) === 'H') ||
				(cucc.charAt (i) === 'J') ||
				(cucc.charAt (i) === 'K') ||
				(cucc.charAt (i) === 'L') ||
				(cucc.charAt (i) === 'É') ||
				(cucc.charAt (i) === 'Á') ||
				(cucc.charAt (i) === 'Í') ||
				(cucc.charAt (i) === 'Y') ||
				(cucc.charAt (i) === 'X') ||
				(cucc.charAt (i) === 'C') ||
				(cucc.charAt (i) === 'V') ||
				(cucc.charAt (i) === 'B') ||
				(cucc.charAt (i) === 'N') ||
				(cucc.charAt (i) === 'M') ||
				(cucc.charAt (i) === 'Ű') ||
				(cucc.charAt (i) === ' ') ||

                                (cucc.charAt (i) === '0') ||
				(cucc.charAt (i) === '1') ||
				(cucc.charAt (i) === '2') ||
				(cucc.charAt (i) === '3') ||
				(cucc.charAt (i) === '4') ||
				(cucc.charAt (i) === '5') ||
				(cucc.charAt (i) === '6') ||
				(cucc.charAt (i) === '7') ||
				(cucc.charAt (i) === '8') ||
				(cucc.charAt (i) === '9') ||
				(cucc.charAt (i) === '/') ||
				(cucc.charAt (i) === ':') ||
				(cucc.charAt (i) === '?') ||
				(cucc.charAt (i) === '.') ||
				(cucc.charAt (i) === '!') ||
				(cucc.charAt (i) === '(') ||
				(cucc.charAt (i) === ')') ||
				(cucc.charAt (i) === '-') ||
				(cucc.charAt (i) === '@')	))
			{
				valid = false;
			}
		}
		if (valid == false)
		{
			alert ("Ide csak betűket, számokat és /:?.!()@- írhat!");
		}
	}
	return valid;
}


function is_it_alfaenglish_or_number (cucc)
{
	var valid = true;
	if (cucc.length > 0)
	{
		for (i = 0; i < cucc.length; i++)
		{
			if (!(	(cucc.charAt (i) === 'q') ||
				(cucc.charAt (i) === 'w') ||
				(cucc.charAt (i) === 'e') ||
				(cucc.charAt (i) === 'r') ||
				(cucc.charAt (i) === 't') ||
				(cucc.charAt (i) === 'z') ||
				(cucc.charAt (i) === 'u') ||
				(cucc.charAt (i) === 'i') ||
				(cucc.charAt (i) === 'o') ||
				(cucc.charAt (i) === 'p') ||
				(cucc.charAt (i) === 'a') ||
				(cucc.charAt (i) === 's') ||
				(cucc.charAt (i) === 'd') ||
				(cucc.charAt (i) === 'f') ||
				(cucc.charAt (i) === 'g') ||
				(cucc.charAt (i) === 'h') ||
				(cucc.charAt (i) === 'j') ||
				(cucc.charAt (i) === 'k') ||
				(cucc.charAt (i) === 'l') ||
				(cucc.charAt (i) === 'y') ||
				(cucc.charAt (i) === 'x') ||
				(cucc.charAt (i) === 'c') ||
				(cucc.charAt (i) === 'v') ||
				(cucc.charAt (i) === 'b') ||
				(cucc.charAt (i) === 'n') ||
				(cucc.charAt (i) === 'm') ||
				(cucc.charAt (i) === 'Q') ||
				(cucc.charAt (i) === 'W') ||
				(cucc.charAt (i) === 'E') ||
				(cucc.charAt (i) === 'R') ||
				(cucc.charAt (i) === 'T') ||
				(cucc.charAt (i) === 'Z') ||
				(cucc.charAt (i) === 'U') ||
				(cucc.charAt (i) === 'I') ||
				(cucc.charAt (i) === 'O') ||
				(cucc.charAt (i) === 'P') ||
				(cucc.charAt (i) === 'A') ||
				(cucc.charAt (i) === 'S') ||
				(cucc.charAt (i) === 'D') ||
				(cucc.charAt (i) === 'F') ||
				(cucc.charAt (i) === 'G') ||
				(cucc.charAt (i) === 'H') ||
				(cucc.charAt (i) === 'J') ||
				(cucc.charAt (i) === 'K') ||
				(cucc.charAt (i) === 'L') ||
				(cucc.charAt (i) === 'Y') ||
				(cucc.charAt (i) === 'X') ||
				(cucc.charAt (i) === 'C') ||
				(cucc.charAt (i) === 'V') ||
				(cucc.charAt (i) === 'B') ||
				(cucc.charAt (i) === 'N') ||
				(cucc.charAt (i) === 'M') ||

                                (cucc.charAt (i) === '0') ||
				(cucc.charAt (i) === '1') ||
				(cucc.charAt (i) === '2') ||
				(cucc.charAt (i) === '3') ||
				(cucc.charAt (i) === '4') ||
				(cucc.charAt (i) === '5') ||
				(cucc.charAt (i) === '6') ||
				(cucc.charAt (i) === '7') ||
				(cucc.charAt (i) === '8') ||
				(cucc.charAt (i) === '9') ||
				(cucc.charAt (i) === '/') ||
				(cucc.charAt (i) === ':') ||
				(cucc.charAt (i) === '?') ||
				(cucc.charAt (i) === '.') ||
				(cucc.charAt (i) === '!') ||
				(cucc.charAt (i) === '(') ||
				(cucc.charAt (i) === ')') ||
				(cucc.charAt (i) === '-') ||
				(cucc.charAt (i) === '@')	))
			{
				valid = false;
			}
		}
		if (valid == false)
		{
			alert ("Azonosítónak csak ékezet nélküli betűket, számokat és /:?.!()@ írhat!");
		}
	}
	return valid;
}