function validateZoeken(frm) {
	var errorLength;
	var errortekst;
	errorLength = 0;

	if (frm.zoekterm.value=="") {
		frm.zoekterm.className = "formError";
		errorLength=errorLength+1;
		errortekst = "gelieve een zoekterm te gebruiken";
	}
	/*
	if (frm.zoekterm.value=="of zoek op een term naar keuze") {
		frm.zoekterm.className = "formError";
		errorLength=errorLength+1;
		errortekst = "VUL UW ZOEKTERM IN A.U.B";

	}
	
	if (frm.zoekterm.value.length < 4) {
		frm.zoekterm.className = "formError";
		errorLength=errorLength+1;
		errortekst = "MINIMUM 4 TEKENS A.U.B";
	}
	*/

	if(errorLength>0){
		//frm.zoekterm.value = errortekst;
		alert(errortekst);
		frm.zoekterm.className = "zoektermfalse";
	}else{
		frm.zoekterm.className = "zoekterm";
		frm.submit();
	}

}


function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>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<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function checkemail(email){
	var str=email;
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if (filter.test(str))
	testresults = true;
	else{
		testresults = false;
	}
	return (testresults)
}





function validateContactFormEng(frm) {
	var errorLength;
	errorLength = 0;
	errorValue = "";

	frm.telefoon.className = "formok";
	frm.contactpersoon.className = "formok";
	frm.email.className = "formok";

	if (frm.telefoon.value=="") {
		frm.telefoon.className = "formError";
		errorValue = errorValue + "- Telephone is required.\n"
		errorLength=errorLength+1;
	}
	
	if (frm.contactpersoon.value=="") {
		frm.contactpersoon.className = "formError";
		errorValue = errorValue + "- Contactperson is required.\n"
		errorLength=errorLength+1;
	}

	if(!checkemail(frm.email.value)){
		frm.email.className = "formError";
		errorValue = errorValue + "- E-mail must contain a valid e-mail address.\n"
		errorLength++;
	}

	if(errorLength>0){
		alert(errorValue);
		return false;
	}else{
		return true;
	}
}


function validateContactFormNed(frm) {
	var errorLength;
	errorLength = 0;
	errorValue = "";

	frm.telefoon.className = "formok";
	frm.contactpersoon.className = "formok";
	frm.email.className = "formok";

	if (frm.telefoon.value=="") {
		frm.telefoon.className = "formError";
		errorValue = errorValue + "- Telefoon is verplicht.\n"
		errorLength=errorLength+1;
	}
	
	if (frm.contactpersoon.value=="") {
		frm.contactpersoon.className = "formError";
		errorValue = errorValue + "- Contactpersoon is verplicht.\n"
		errorLength=errorLength+1;
	}

	if(!checkemail(frm.email.value)){
		frm.email.className = "formError";
		errorValue = errorValue + "- e-mail moet een geldig e-mailadres zijn.\n"
		errorLength++;
	}

	if(errorLength>0){
		alert(errorValue);
		return false;
	}else{
		return true;
	}
}


function validateContactFormFra(frm) {
	var errorLength;
	errorLength = 0;
	errorValue = "";

	frm.telefoon.className = "formok";
	frm.contactpersoon.className = "formok";
	frm.email.className = "formok";

	if (frm.telefoon.value=="") {
		frm.telefoon.className = "formError";
		errorValue = errorValue + "- Téléphone obligatoire.\n"
		errorLength=errorLength+1;
	}
	
	if (frm.contactpersoon.value=="") {
		frm.contactpersoon.className = "formError";
		errorValue = errorValue + "- Personne de contact obligatoire.\n"
		errorLength=errorLength+1;
	}

	if(!checkemail(frm.email.value)){
		frm.email.className = "formError";
		errorValue = errorValue + "- L adresse e-mail doit être valable.\n"
		errorLength++;
	}

	if(errorLength>0){
		alert(errorValue);
		return false;
	}else{
		return true;
	}
}