function validateForm() {
    var name = document.getElementById("formName").value;
    var email = document.getElementById("formEmail").value;
    var message = document.getElementById("formMessage").value;
    var check;

    if(name == ""){
        document.getElementById("name-error").innerHTML = "Indtast venligst et navn";
        document.getElementById("name-error").style.display = "block";
        check = false;
    }else{
        document.getElementById("name-error").style.display = "none";
    }

    if(email == ""){
        document.getElementById("email-error").innerHTML = "Indtast venligst en email adresse";
        document.getElementById("email-error").style.display = "block";
        check = false;
    }else{
        document.getElementById("email-error").style.display = "none";
    }

    var emailcheck = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
    if(!emailcheck.test(email)){
        document.getElementById("email-error").innerHTML = "Indtast en gyldig email";
        document.getElementById("email-error").style.display = "block";
        check = false;
    }else{
        document.getElementById("email-error").style.display = "none";
    }

    if(message == ""){
        document.getElementById("message-error").innerHTML = "Indtast venligst en besked";
        document.getElementById("message-error").style.display = "block";
        check = false;
    }else{
        document.getElementById("message-error").style.display = "none";
    }

    if(check == false){
        return false;
    }else{
        return true;
    }
}