var openId="none";
var doCheck = (document.all!=null);
navimgNames = new Array(
"/images/navigation/Explain1.gif",
"/images/navigation/Explain2.gif",
"/images/navigation/Explain3.gif",
"/images/navigation/Explain4.gif",
"/images/navigation/Explain5.gif",
"/images/navigation/Explain6.gif",
"/images/navigation/Explain7.gif",
"/images/navigation/Explain8.gif",
"/images/navigation/Explain9.gif",
"/images/navigation/Explain10.gif",
"/images/navigation/Explain11.gif",
"/images/navigation/Explain12.gif",
"/images/navigation/Explain13.gif",
"/images/navigation/Explain14.gif",
"/images/navigation/Explain15.gif",
"/images/navigation/Explain16.gif",
"/images/navigation/Explain17.gif",
"/images/navigation/Explain18.gif",
"/images/navigation/Explain19.gif",
"/images/navigation/Explain20.gif",
"/images/navigation/Explain21.gif",
"/images/navigation/Explain22.gif",
"/images/navigation/Explain23.gif",
"/images/navigation/Explain24.gif"
)
loadNavImgs = new Array();
for(i=0; i < navimgNames.length; i++) {
  loadNavImgs[i] = new Image;
  loadNavImgs[i].src = navimgNames[i];
}
if (doCheck == false) {
  versionNN = navigator.appVersion;
  if (versionNN.search(/5.0/i) == -1) {
    browser = "NN4";
  } else {
    browser = "NN6";
  }
} else {
  browser = "IE";
}
function rollOver(name) {
  document.images[name].src = "/images/navigation/navon"+name+".gif";
}
function rollOut(name) {
  document.images[name].src = "/images/navigation/navoff"+name+".gif";
}
function getLayer(id) {        
     if (browser == "IE")
       return document.all[id];
     else if (browser == "NN4")
    return document.layers[id];
  else
    return document.getElementById(id);   
}
function showLayer(id) {        
   var get = getLayer(id)
   if (get != null)          
       if (browser == "IE" || browser == "NN6")
           get.style.visibility = "visible";
        else if (browser == "NN4")
           get.visibility = "show";
}
function hideLayer(id) {
  var get = getLayer(id)        
  if (get != null)        
      if (browser == "IE" || browser == "NN6")
         get.style.visibility = "hidden";
      else
         get.visibility = "hide";
}
function drillDown(id,div) {
  if (div == 'yes') {
    idDiv = id+'Div';
    if (openId == 'none') {
      showLayer(idDiv);
      rollOver(id);
      openId = id;
      openIdDiv = idDiv;
    } else {
      hideLayer(openIdDiv);
      rollOut(openId);
      showLayer(idDiv);
      rollOut(id);
      openId = id;
      openIdDiv = idDiv;
    }
  } else {
    if (openId == 'none') {
      rollOver(id);
    } else {
      hideLayer(openIdDiv);
      rollOut(openId);
      rollOver(id);
      openId = 'none';
    }
  }
}
function divRollover(name) {
  openId = name;
  openIdDiv = name+"Div";
  showLayer(openIdDiv);
  rollOver(openId);
}
function divRollout(name) {
  hideLayer(name+'Div');
  rollOut(name);
  openId = 'none';
  openIdDiv = 'none';
}
function closeBut(name) {
  hideLayer(name+'Div');
  rollOut(name);
  openId = 'none';
  openIdDiv = 'none';
}
lastcolor=0;
hcolor='F8EDDC';
function HighLight(thing,mode)
  {
    if(mode ==1)
      {lastcolor=thing.bgColor;thing.bgColor=hcolor;}
    else  {thing.bgColor = lastcolor;}
  }