var ready  = 1;
var timing = 1;
var exception = '';
  
IE4 = (document.all) ? 1 : 0;
NN4 = (document.layers) ? 1 : 0;
DOM = (document.getElementById) ? 1 : 0;

if (document.all) {  //overload document.getElementById for IE4
  document.getElementById = function (name) {
    return document.all(name);
  }
  DOM = 1;
}

layerNumber = 0;

function getCookie(sName)
{
  // cookies are separated by semicolons
  var aCookie = document.cookie.split("; ");
  for (var i=0; i < aCookie.length; i++)
  {
    // a name/value pair (a crumb) is separated by an equal sign
    var aCrumb = aCookie[i].split("=");
    if (sName == aCrumb[0]) 
      return unescape(aCrumb[1]);
  }
  // a cookie with the requested name does not exist
  return null;
}

function startNews() {
  if (getCookie('newsID')) {
    num = new Number(getCookie('newsID'));
  } else {
    num = 0;
  }
   layerNumber = num;
   doNews();
}

function doNews() {
  oldLayer = 'news'+layerNumber;
  newLayer = 'news'+(layerNumber+1);
  document.cookie = 'newsID='+layerNumber;
  if (document.getElementById(newLayer) == null) {
    newLayer = 'news0';
    layerNumber = 0;
  } else {
    layerNumber+=1;
  }
  hide(oldLayer);
  show(newLayer);
  setTimeout('doNews();', 10000);
}

function show(layer) {
  if (ready) {
    if (NN4) {
      eval("document.layers['" +layer+ "'].visibility = 'visible';");    
      return false;
    } else {    
      document.getElementById(layer).style.visibility = 'visible'; 
      return false;
    }
  }
}

function hide(layer) {
  if (ready) {
    if (NN4) {
      if ( document.layers[layer] ) 
        eval("document.layers['" +layer+ "'].visibility = 'hidden';");
        return false;
    } else {
      if ( document.getElementById(layer) ) 
        document.getElementById(layer).style.visibility = 'hidden'; 
        return false;
    }
  }
}

function photoWindow(file, width, height) {
  width += 40;
  height+= 50;
  photoWin = window.open('display.cgi?file='+file, 'photoWin',"location=no,directories=no,menubar=no,statusbar=no,toolbar=no,scrollbars=yes,height=" +height+ ",width=" +width+ ",resizable=no");
  photoWin.resizeTo(width,height);
  photoWin.focus();
  return false;
}

function updateForm(fld) {
  if (fld.selectedIndex == 1) { // second option
    document.getElementById('person_2_name').disabled = false;
    document.getElementById('person_2_occupation').disabled = false;
    document.getElementById('person_2_name').style.backgroundColor = '#fff';
    document.getElementById('person_2_occupation').style.backgroundColor = '#fff';   
  } else {
    document.getElementById('person_2_name').disabled = true;
    document.getElementById('person_2_occupation').disabled = true; 
    document.getElementById('person_2_name').style.backgroundColor = '#cfcfcf';
    document.getElementById('person_2_occupation').style.backgroundColor = '#cfcfcf';   
  }
}