function validateAdvancedRegistration()
{
	//alert("Fields marked with * are required.");
   if
   (   		
   		(!validateMediaRadio())||
	   	(document.advancedRegistration.media.value=="")||
	   	(document.advancedRegistration.mediacountry.value=="")||
	   	(document.advancedRegistration.mediastreet.value=="")||
	   	(document.advancedRegistration.mediatelephone.value=="")||
	   	//(!validateFunctionRadio())||
	   	//(!validateFunctionTypeRadio())||
	   	(document.advancedRegistration.firstname.value=="")||
	   	(document.advancedRegistration.lastname.value=="")||
	   	(document.advancedRegistration.nationality.value=="")||
	   	(!validateGenderRadio())||
	   	(document.advancedRegistration.birthdate.value=="")||
	   	(document.advancedRegistration.telephone.value=="")
	)
   { 
      alert("Fields marked with * are required.");
      return false;
      }
}
function validateMediaRadio() {
	if (
		(document.advancedRegistration.mediaradio[0].checked)||
   		(document.advancedRegistration.mediaradio[1].checked)||
   		(document.advancedRegistration.mediaradio[2].checked)||
   		(document.advancedRegistration.mediaradio[3].checked)||
   		(document.advancedRegistration.mediaradio[4].checked)||
   		(document.advancedRegistration.mediaradio[5].checked)||
   		(document.advancedRegistration.mediaradio[6].checked)||
   		(document.advancedRegistration.mediaradio[7].checked)||
   		(document.advancedRegistration.mediaradio[8].checked)
	)
	{
		return true;
	} else {
		return false;
	}
}
function validateFunctionRadio() {
	if (
		(document.advancedRegistration.elements["function"][0].checked)||
		(document.advancedRegistration.elements["function"][1].checked)||
		(document.advancedRegistration.elements["function"][2].checked)||
		(document.advancedRegistration.elements["function"][3].checked)
	)
	{
		return true;
	} else {
		return false;
	}
}
function validateFunctionTypeRadio() {
	if (	
		(document.advancedRegistration.functiontype[0].checked)||
		(document.advancedRegistration.functiontype[1].checked)||
		(document.advancedRegistration.functiontype[2].checked)||
		(document.advancedRegistration.functiontype[3].checked)
	)
	{
		return true;
	} else {
		return false;
	}
}
function validateGenderRadio() {
	if (
		(document.advancedRegistration.gender[0].checked)||
		(document.advancedRegistration.gender[1].checked)
	)
	{
		return true;
	} else {
		return false;
	}
}	
function validateEmail(myForm) 
{
   if 
   (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myForm.email.value))
   {
      return (true)
   }
      alert("Bitte eine gültige e-mail Adresse eingeben.")
      return (false)
}