function preload(arrImages) {
  var arrPre = new Array();
  for (i = 0 ; i < arrImages.length ; i++) {
    arrPre[i] = new Image();
    arrPre[i].src = "/scripts/AmWebConnector.dll/~CMS/Documents/" + arrImages[i];
  }
}
function butHighlight (elm) {
  elm.src = elm.src.replace(/But/, "Bhl");
}
function butUnhighlight (elm) {
  elm.src = elm.src.replace(/Bhl/, "But");
}

function frmSubmit(frm) {
  return true;
}
function frmSubmitOnEnter (frm) {
  if (window.event.keyCode == 13)
  {
    if (frmSubmit(frm)) frm.submit();
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
}
function frmCheckField (fld, name) {
  if (fld.value == '') {
    fld.select();
    alert ("U heeft het veld '" + name + "' nog niet ingevuld.");
    return false;
  }
  return true;
}

function getFrameByName (framename) {
  return getFrameByNameRec(top, framename);
}

function getFrameByNameRec (ftop, fname) {
  var i;
  var f;
  for (i=0 ; i < ftop.frames.length ; i++) {
    if (ftop.frames[i].name == fname)
      return ftop.frames[i];
    else {
      if (f = getFrameByNameRec(ftop.frames[i], fname))
        return f;
    }
  }
  return 0;
}

arrFrames = new Array ('fraTop', 'fraBottom', 'fraSideBar', 'fraDummyTop', 'fraDummyRight', 'fraDummyBottom', 'fraDummyLeft');
arrPages  = new Array ('WebTop', 'WebBottom', 'WebSideBar', 'WebDummy',    'WebDummy',      'WebDummy',       'WebDummy');
function setFramesBySkin (SkinNr, MenuCode) {
	var pat = new RegExp("SkinNr=([^&]*)");
	var f   = getFrameByName(arrFrames[0]);
  if (f) {
		pat.exec(f.document.location.search);
		if (SkinNr != RegExp.$1) {
      f.document.location.replace("/scripts/AmWebConnector.dll/~CMS/Pages/" + arrPages[0] + ".htm?MenuCode=" + MenuCode + "&SkinNr=" + SkinNr);
      for (i = 1 ; i < arrFrames.length ; i++) if (f = getFrameByName(arrFrames[i])) f.document.location.replace("/scripts/AmWebConnector.dll/~CMS/Pages/" + arrPages[i] + ".htm?MenuCode=" + MenuCode + "&SkinNr=" + SkinNr);
		}
  }
}

function rstLogonShort () {
  if (window.name == "fraPage") {
    var f = getFrameByName("fraSLogon");
    if (f && f.document && f.document.frmLogoff)
      f.document.location.reload();
  }
}

function butClick (butID) {
  var elm = document.getElementById(butID);
  getFrameByName(elm.getAttribute("target")).document.location.href = elm.getAttribute("href");
  // load button reg in hidden frame
  // top.IgomStat.document.location.href = "/scripts/AmWebConnector.dll/~CMS?GetWebpage&Name=IgomButtonHit.htm&ButName=" + elm.getAttribute("butname");;
  if (elm.className.substr(0,4) != "Menu") return false;
}