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 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 deleteCookie (name) {
  var exp = new Date();
  exp.setTime (exp.getTime() - 1);  // This cookie is history
  var cval = getCookie (name);
  document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString();
}

function openwindow(url, menubar, width, height) {
    window.open(url,'newwindow','menubar='+menubar+',width='+width+'px,height='+height+'px,status=no,resizable=no,scrollbars=yes, location=no')
}

function change_display(objID) {
    //alert("Wildhofs tested: "+objID.className);
    if (objID.className == 'on') {
        objID.className = 'off';
    } else {
        objID.className = 'on';
    }
}

function showForm(formID) {
    if (getCookie("tempFormID") != null) {
        var tempForm = document.getElementById(getCookie("tempFormID"));
        if (tempForm != null) tempForm.className = "off";
    }
    tempForm = document.getElementById(formID);
    if (tempForm != null) tempForm.className = "on";
    setCookie("tempFormID", formID);
}

function initForm(initID) {
    if (getCookie("tempFormID") != null) {
        var tempForm = document.getElementById(getCookie("tempFormID"));
        if (tempForm != null) showForm(getCookie("tempFormID"));
        else showForm(initID);
    } else showForm(initID);
}

//if (getCookie("tempFormID") == null) setCookie("tempFormID", "__temp");