var nav = (document.layers);
var dom = (document.getElementById&&!document.all);
var iex = (document.all);
function CheckNieuwsbrief(formulier) {
alert(formulier.naam);
if (submitted==true) {
alert('You have already submitted');
} else {
if (validateString(formulier.naam,'Name')) {
if (validateEmail(formulier.email,'E-mail')) {
submitted = true;
return true;
}
}
}
return false;
}
function switchLayer(layer_id, mode) {
/* mode = aan, uit of auto */
if (nav) {
layer = document.layers[layer_id];
}
else if (dom) {
layer = document.getElementById(layer_id).style;
}
else if (iex) {
layer = document.all[layer_id].style;
}
else {
alert('Uw browser wordt niet ondersteund');
}
if (mode=='auto') mode = (layer.visibility=='hidden') ? 'aan' : 'uit';
layer.visibility = (mode=='aan') ? 'visible' : 'hidden';
}
function show(foto,breedte,hoogte) {
pop = window.open('','','width='+ breedte +',height='+ hoogte);
pop.document.write('');
pop.document.write('');
pop.document.write('');
pop.document.write('
');
pop.document.write('');
pop.document.write('');
pop.document.close();
}
function notBlank(str) {
if (str != '') {
for (i = 0; i < str.length; i++) {
if (str.charAt(i) != " ")
return true
}
}
return false
}
function validateString(myfield, s) {
if (notBlank(myfield.value))
return true
else {
myfield.focus()
alert("The " + s + "-field needs to be filled in.")
return false
}
}
function isNumber(InString) {
if(InString.length!=1){
return (false);
}
InString=InString.toLowerCase();
RefString="1234567890-";
if (RefString.indexOf (InString, 0)==-1){
return (false);
}
return (true);
}
function checkNumber(theField,s) {
if (validateString(theField,s)) {
fldValue = theField.value;
for (var i = 0; i 0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i