function AbstractForm_DA() {
	
	if((document.getElementById("paper").checked == false) && (document.getElementById("poster").checked == false))
	{ alert("Vælg en type");
	return false; }
	
	else if (document.getElementById("name").value=="")
	{ alert("Indtast dit navn");
	document.getElementById("name").focus();
	return false;}
	
	else if (document.getElementById("full_affiliation").value=="")
	{ alert("Indtast tilhørsforhold");
	document.getElementById("full_affiliation").focus();
	return false;}
	
	else if (document.getElementById("address").value=="")
	{ alert("Indtast din adresse");
	document.getElementById("address").focus();
	return false;}
	
	else if (document.getElementById("telephone").value=="")
	{ alert("Indtast dit telefonnummer");
	document.getElementById("telephone").focus();
	return false;}

	else if (document.getElementById("email").value=="")
	{ alert("Indtast din e-mailadresse");
	document.getElementById("email").focus();
	return false;}

	else if (document.getElementById("email").value.indexOf("@") == -1 )
	{ alert("Indtast en gyldig e-mail adresse");
	document.getElementById("email").focus();
	return false;}

	else if (document.getElementById("title").value=="")
	{ alert("Indtast titlen på din præsentation");
	document.getElementById("title").focus();
	return false;}
	
	else if (document.getElementById("abstract").value=="")
	{ alert("Indtast en beskrivelse af din præsentation");
	document.getElementById("abstract").focus();
	return false;}
	}

function AbstractForm_EN() {
	
	if((document.getElementById("paper").checked == false) && (document.getElementById("poster").checked == false))
	{ alert("Please choose a type");
	return false; }
	
	else if (document.getElementById("name").value=="")
	{ alert("Please enter your name");
	document.getElementById("name").focus();
	return false;}
	
	else if (document.getElementById("full_affiliation").value=="")
	{ alert("Please enter a affiliation");
	document.getElementById("full_affiliation").focus();
	return false;}
	
	else if (document.getElementById("address").value=="")
	{ alert("Please enter your address");
	document.getElementById("address").focus();
	return false;}
	
	else if (document.getElementById("telephone").value=="")
	{ alert("Please enter your telephone no.");
	document.getElementById("telephone").focus();
	return false;}

	else if (document.getElementById("email").value=="")
	{ alert("Please enter your e-mail address");
	document.getElementById("email").focus();
	return false;}

	else if (document.getElementById("email").value.indexOf("@") == -1 )
	{ alert("Please enter a valid e-mail address");
	document.getElementById("email").focus();
	return false;}

	else if (document.getElementById("title").value=="")
	{ alert("Please enter a title for your paper/poster presentation");
	document.getElementById("title").focus();
	return false;}
	
	else if (document.getElementById("abstract").value=="")
	{ alert("Please enter a abstract for your paper/poster presentation");
	document.getElementById("abstract").focus();
	return false;}
	}

function RegistrationForm_EN() {
	
	if (document.getElementById("surname").value=="")
	{ alert("Please enter your surname");
	document.getElementById("surname").focus();
	return false;}
	
	else if (document.getElementById("firstname").value=="")
	{ alert("Please enter your first name");
	document.getElementById("firstname").focus();
	return false;}
	
	else if (document.getElementById("street").value=="")
	{ alert("Please enter your address");
	document.getElementById("street").focus();
	return false;}
	
	else if (document.getElementById("zip").value=="")
	{ alert("Please enter your postal/ZIP code");
	document.getElementById("zip").focus();
	return false;}
	
	else if (document.getElementById("city").value=="")
	{ alert("Please enter your city");
	document.getElementById("city").focus();
	return false;}
	
	else if (document.getElementById("country").value=="")
	{ alert("Please enter your country");
	document.getElementById("country").focus();
	return false;}
	
	else if (document.getElementById("telephone").value=="")
	{ alert("Please enter your telephone no.");
	document.getElementById("telephone").focus();
	return false;}

	else if (document.getElementById("email").value=="")
	{ alert("Please enter your e-mail address");
	document.getElementById("email").focus();
	return false;}

	else if (document.getElementById("email").value.indexOf("@") == -1 )
	{ alert("Please enter a valid e-mail address");
	document.getElementById("email").focus();
	return false;}
	
	}

function RegistrationForm_DA() {
	
	if (document.getElementById("surname").value=="")
	{ alert("Indtast venligst dit efternavn");
	document.getElementById("surname").focus();
	return false;}
	
	else if (document.getElementById("firstname").value=="")
	{ alert("Indtast venligst dit fornavn");
	document.getElementById("firstname").focus();
	return false;}
	
	else if (document.getElementById("street").value=="")
	{ alert("Indtast venligst din adresse");
	document.getElementById("street").focus();
	return false;}
	
	else if (document.getElementById("zip").value=="")
	{ alert("Indtast venligst dit postnummer");
	document.getElementById("zip").focus();
	return false;}
	
	else if (document.getElementById("city").value=="")
	{ alert("Indtast venligst din by");
	document.getElementById("city").focus();
	return false;}
	
	else if (document.getElementById("country").value=="")
	{ alert("Indtast venligst dit land");
	document.getElementById("country").focus();
	return false;}
	
	else if (document.getElementById("telephone").value=="")
	{ alert("Indtast venligst dit telefonnr.");
	document.getElementById("telephone").focus();
	return false;}

	else if (document.getElementById("email").value=="")
	{ alert("Indtast venligst din e-mail adresse");
	document.getElementById("email").focus();
	return false;}

	else if (document.getElementById("email").value.indexOf("@") == -1 )
	{ alert("Indtast venligst en gyldig e-mail adresse");
	document.getElementById("email").focus();
	return false;}
	
	}