/***********************************************
* Advanced Gallery script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice must stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var tickspeed=3000 //ticker speed in miliseconds (2000=2 seconds)
var displaymode="manual" //displaymode ("auto" or "manual"). No need to modify as form at the bottom will control it, unless you wish to remove form.
var galleryStarted = false;

if (document.getElementById){
  document.write('<style type="text/css">\n')
  document.write('.gallerycontent{display:none;}\n')
  document.write('</style>\n')
}

var selectedDiv=0
var totalDivs=0

function getElementbyClass(classname){
  partscollect=new Array()
  var inc=0
  var alltags=document.all? document.all.tags("DIV") : document.getElementsByTagName("*")
  for (i=0; i<alltags.length; i++){
    if (alltags[i].className==classname)
    partscollect[inc++]=alltags[i]
  }
}

function contractall(){
  var inc=0
  while (partscollect[inc]){
    partscollect[inc].style.display="none"
    inc++
  }
}

function expandone(){
  var selectedDivObj=partscollect[selectedDiv]
  contractall()
  selectedDivObj.style.display="block"
  if (document.gallerycontrol)
    temp.options[selectedDiv].selected=true
  selectedDiv=(selectedDiv<totalDivs-1)? selectedDiv+1 : 0
  if (displaymode=="auto")
    autocontrolvar=setTimeout("expandone()",tickspeed)
}

function populatemenu(){
  temp=document.gallerycontrol.menu
  for (m=temp.options.length-1;m>0;m--)
    temp.options[m]=null
  for (i=0;i<totalDivs;i++){
    var thesubject=partscollect[i].getAttribute("subject")
    thesubject=(thesubject=="" || thesubject==null)? "HTML Content "+(i+1) : thesubject
    temp.options[i]=new Option(thesubject,"")
  }
  temp.options[0].selected=true
}

function manualcontrol(menuobj){
  if (displaymode=="manual"){
    selectedDiv=menuobj
    expandone()
  }
}

function preparemode(themode){
  displaymode=themode
  if (typeof autocontrolvar!="undefined")
    clearTimeout(autocontrolvar)
  if (themode=="auto"){
    document.gallerycontrol.menu.disabled=true
    autocontrolvar=setTimeout("expandone()",tickspeed)
  }
  else
    document.gallerycontrol.menu.disabled=false
}


function startgallery(){
  galleryStarted = true;
  if (document.getElementById("controldiv")) //if it exists
    document.getElementById("controldiv").style.display="block"
  getElementbyClass("gallerycontent")
  totalDivs=partscollect.length
  if (document.gallerycontrol){
    populatemenu()
    if (document.gallerycontrol.mode){
      for (i=0; i<document.gallerycontrol.mode.length; i++){
        if (document.gallerycontrol.mode[i].checked)
          displaymode=document.gallerycontrol.mode[i].value
      }
    }
  }
  if (displaymode=="auto" && document.gallerycontrol)
    document.gallerycontrol.menu.disabled=true
  selectedDiv = 0;
  expandone()
}

function kickstartgallery() {
  if( ! galleryStarted )
    startgallery();
}

if (window.addEventListener)
  window.addEventListener("load", startgallery, false)
else if (window.attachEvent)
  window.attachEvent("onload", startgallery)
else if (document.getElementById)
  window.onload=startgallery