function ValidateForm (frm, fields)	{
	var vf = Validate(fields);
	var cf = CheckForm(frm);

	if (cf && vf) { return true; }
	else { return false; }
}


missings = new Array();
missings['geen_emailadres'] = 'U heeft geen email adres ingevuld.';
missings['geen_geldig_emailadres'] = 'Het ingevulde email adres is geen geldig email adres.';
missings['ongeldige_tekens_voor'] = 'Het emailadres bevat ongeldige tekens voor de @.';
missings['ongeldige_tekens_na'] = 'Het emailadres bevat ongeldige tekens na de @.';

missings['geen_naam'] = 'U heeft geen naam ingevuld.';



function CheckForm (theForm) {
		if (typeof(theForm.NB_contactpersoon) == 'object' && theForm.NB_contactpersoon.value.trim() == "") {
			alert(missings['geen_naam']);
			theForm.NB_contactpersoon.focus();
			return (false);
		}
		if (!emailCheck(theForm.E_emailadres)){
			theForm.E_emailadres.focus();
			return (false);
		}
		var el = document.getElementById('hideIT');
		if(el){
			el.value = '1';
		}
		return (true);
	}



	<!--//--><![CDATA[//><!--
  function trim(str)
  {
    s = str.replace(/^(\s)*/, '');
    s = s.replace(/(\s)*$/, '');
    return s;
  }

function Validate(check)
{
	var pass = true;
	var fields = new Array();
	var i = 0;
	var f = '';

	fields = check.split(',');

	for (i=0;i<fields.length;i++) {
		f = trim(fields[i]);

		var element = document.getElementById(f);
		element = element == null ? eval("document.forms[0]."+f) : element;

		// If radio button in IE
		if(element.type === 'radio'){
			element = element.parentNode.getElementsByTagName("input");
		}

		// If radio button
		if(element[0] != undefined){
			for(j =0; j < element.length; j++){
				if(element[j] != undefined && element[j].checked){
					element[0].geselecteerd = true;
				}
			}
			element = element[0];
			element.isRadio = true;
		}
		else
		{
			element.geselecteerd = true;
			element.isRadio = false;
		}

		element.parentNode.className = element.parentNode.className.replace('missing', '');
		//document.getElementById(fields[i]).className = document.getElementById(fields[i]).className.replace('missing', '');

		/* remove word */
		var els = element.parentNode.getElementsByTagName('strong');
		for (j=0; j<els.length; j++)
		{
			element.parentNode.removeChild(els[j]);
		}

		var errTag = document.createElement('strong');
		var errTxt = document.createTextNode(' !');
		/* end: remove word */

		if (XOR(element.value == '',!element.geselecteerd)) {
			//document.getElementById(fields[i]).className = document.getElementById(fields[i]).className + ' missing';
			element.parentNode.className = element.parentNode.className + ' missing';

			/* add word */
			if(!element.isRadio){
				element.parentNode.appendChild(errTag);
				errTag.appendChild(errTxt);
			}
			pass = false;
		}

		// Safety
		if (i>50) { break; }
	}
	return pass;
}

function XOR(a,b) {
	return ( a || b ) && !( a && b );
}

//--><!]]>


function emailCheck (obj) {
emailObj=obj;
emailStr = emailObj.value;
if(emailStr == "")
{
    alert ( missings['geen_emailadres'] );
    return false;
}
var checkTLD=0;
var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var quotedUser="(\"[^\"]*\")";
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedUser + ")";
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
alert(missings['geen_geldig_emailadres']);
return false;
}
var user=matchArray[1];
var domain=matchArray[2];
for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert(missings['ongeldige_tekens_voor']);
return false;
}
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert(missings['ongeldige_tekens_na']);
return false;
}
}
if (user.match(userPat)==null) {
alert(missings['geen_geldig_emailadres']);
return false;
}
/*
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Het IP adres klopt niet.");
return false;
}
}
return true;
}
*/
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert(missings['geen_geldig_emailadres']);
return false;
}
}
if (checkTLD && domArr[domArr.length-1].length!=2 &&
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert(missings['geen_geldig_emailadres']);
return false;
}
if (len<2) {
alert(missings['geen_geldig_emailadres']);
return false;
}
return true
}