function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v3.0
  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); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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+' moet een e-mail adres zijn.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' moet een nummer bevatten.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' moet een nummer zijn tussen '+min+' en '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is verplicht.\n'; }
  } if (errors) alert('Het formulier is niet volledig:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function KGUI_getYear(d) {
    var jaar = d.getYear();
    if (jaar < 1000) {jaar += 1900};
    return jaar;
}

function KGUI_getdate() { // format YYYYMMDD
  var t       = new Date();
  var Day     = "0" + t.getDate();
  var zDay    = Day.substring(Day.length-2, Day.length);
  var Month   = "0" + (t.getMonth()+1);
  var zMonth  = Month.substring(Month.length-2, Month.length);
  var Year    = KGUI_getYear(t);
    
  return Year+zMonth+zDay; 
}

function getCookieVal (offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1) endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) {
  var arg  = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i    = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg) return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break; 
  }
return null;
}

function SetCookie (name, value) {
  var argv    = SetCookie.arguments;
  var argc    = SetCookie.arguments.length;
//  var expires = (argc > 2) ? argv[2] : null;
  var expires = new Date(2005,01,01,23,59,59);
  var path    = (argc > 3) ? argv[3] : null;
  var domain  = (argc > 4) ? argv[4] : null;
  var secure  = (argc > 5) ? argv[5] : false;

  document.cookie = name + "=" + escape (value) +
    ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
    ((path == null) ? "" : ("; path=" + path)) +
    ((domain == null) ? "" : ("; domain=" + domain)) +
    ((secure == true) ? "; secure" : "");
}

function check_banner () {
// if ( GetCookie("banner1") != "U") {
//    window.open("banner.html","koggebanner","height=200,width=200,left=50,top=50");
//  }
}

function updateMasterPage(newURL){ // v1.0
  window.opener.location.href = newURL;
  window.close();
}