function checkMaillist(){

	var email = document.getElementById('email').value;
	var error = "";
	
	if(email == ""){
		error += "Ekkert netfang var sett inn\n";
	}
	if(error == 0){
		return true;
	}else{
		alert(error);
		return false;
	}
}

function CheckEnter(evt) {
    var keyCode = document.evt ? evt.which : evt.keyCode;
    if (keyCode == 13) {
        return true;
    }
    return false;
}