// JavaScript Document

function verify() {
var themessage = "De volgende velden zijn verplicht: ";
if (document.form.naam.value=="") {
themessage = themessage + "\n - Naam ";
}
if (document.form.email.value=="") {
themessage = themessage + "\n -  Email ";
}
if (document.form.vraag.value=="") {
themessage = themessage + "\n -  Vraag ";
}

//alert if fields are empty and cancel form submit
if (themessage == "De volgende velden zijn verplicht: ") {
document.form.submit();
}
else {
alert(themessage);
return false;
   }
}

//============================================

function callme() {
var themessage = "De volgende velden zijn verplicht: ";
if (document.form.naam.value=="") {
themessage = themessage + "\n - Naam ";
}
if (document.form.email.value=="") {
themessage = themessage + "\n -  Email ";
}
if (document.form.vraag.value=="") {
themessage = themessage + "\n -  Vraag ";
}

//alert if fields are empty and cancel form submit
if (themessage == "De volgende velden zijn verplicht: ") {
document.form.submit();
}
else {
alert(themessage);
return false;
   }
}

//====================================================

function toonmenu(elmnt)
{
document.all(elmnt).style.visibility="visible"
}
function verstopmenu(elmnt)
{
document.all(elmnt).style.visibility="hidden"
}