var ns4 = NS4browser();

// controle op Netscape 4 browser

 function NS4browser() {
  var browser=navigator.appName;
  var version=navigator.appVersion;

  if (browser.indexOf("Netscape") >= 0) {
    if (version.indexOf("4.") >= 0) {
       return true;
    }
  }
 }


<!-- Controleer e-mail -->

 function check_email(e) {
  // controle op geldig emailadres
  ok = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";

  for (i=0; i < e.length ;i++){
     if (ok.indexOf(e.charAt(i))<0){ 
       return (false);
     }	
  } 

  if (document.images) {
    re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/;
    re_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
    if (!e.match(re) && e.match(re_two)) {
      return (-1);		
    } 
  }
 }

 function CheckSubscribeForm(frm) {
	if (!check_email(frm.Email.value)){
		alert("ongeldig e-mailadres !\n");
		return false;
	}
 }
 
 function noSpam(user,domain){
	locationstring = "mailto:" + user + "@" + domain + ".be";
	window.location = locationstring;
}


<!-- Breadcrumbs -->

function breadCrumbs(base,delStr,defp,cStyle,tStyle,dStyle,nl) { // by Paul Davis - http://www.kaosweaver.com
	loc=window.location.toString();subs=loc.substr(loc.indexOf(base)+base.length+1).split("/");
	document.write('<a href="'+getLoc(subs.length-1)+defp+'" class="'+cStyle+'">Home</a>  '+'<span class="'+dStyle+'">'+delStr+'</span> ');
	a=(loc.indexOf(defp)==-1)?1:2;
	for (i=0;i<(subs.length-a);i++)
		{
			subs[i]=makeCaps(unescape(subs[i]));
			document.write('<a href="'+getLoc(subs.length-i-2)+defp+'" class="'+cStyle+'">'+formatStr(subs[i])+'</a>  '+'<span class="'+dStyle+'">'+delStr+'</span> ');
		}
	if (nl==1) document.write("<br>");document.write('<span class="'+tStyle+'">'+document.title+'</span>');
}

function makeCaps(a) {
  g=a.split(' ');for (l=0;l<g.length;l++) g[l]=g[l].toUpperCase().slice(0,1)+g[l].slice(1);
  return g.join(" ");
}

function formatStr(str) {
	returnStr = "";
	for (z=0;z<str.length;z++) returnStr += str.charAt(z).replace("_"," ");
	return returnStr;
}

function getLoc(c) {
  var d="";if (c>0) for (k=0;k<c;k++) d=d+"../"; return d;
}