//Time delay between Slides in milliseconds
var sdelay = 5000;
var ImgNum = 0;
var lock = false;
var run;
var NewImg;
var ImgLength;
var targe;
var auto = true;
var describers;
var typ;

function slide_init(newImg,targetDiv)
{
  NewImg = new Array();
  NewImg = new Object();

  for(i=0;i<newImg.length;i++)
  {
      NewImg[i]=new Image();
      NewImg[i].src=newImg[i];
  }
  ImgLength = i-1;
  targe = targetDiv;
}

function addSlideCtrl(){
  var newdiv = document.createElement('div');
  newdiv.setAttribute('id','controlbar');
  newdiv.innerHTML='<a href="javascript:slide_chgImg(-1)"><img src="../../../images/bn_slideshow_previous.gif"/></a>';
  if(auto) newdiv.innerHTML+= ' <a href="javascript:slide_auto()"><img id="bnAut" src="../../../images/bn_slideshow_play.gif"/></a>';
  newdiv.innerHTML+= ' <a href="javascript:slide_chgImg(1)"><img src="../../../images/bn_slideshow_next.gif"/></a>';
  document.getElementById('slideshow_header').innerHTML=newdiv.innerHTML;
}

function slide_chgImg(direction) {
  if (document.images) {
    ImgNum = ImgNum + direction;
  if (ImgNum > ImgLength) {
    ImgNum = 0;
  }
  if (ImgNum < 0) {
    ImgNum = ImgLength;
  }

  sliderDiv = document.getElementById('foobar');
  sliderDiv.innerHTML="<center><img src='"+NewImg[ImgNum].src+"' /></center>"
//  sliderDiv.style.backgroundImage = "url(" + NewImg[typ][ImgNum].src + ")";
  }
}

function slide_auto() {
  if (lock == true) {
    lock = false;
    $('bnAut').src = '../../../images/bn_slideshow_play.gif';

    window.clearInterval(run);
  }
  else if (lock == false) {
    lock = true;
    $('bnAut').src = '../../../images/bn_slideshow_stop.gif';
    run = setInterval("slide_chgImg(1)", sdelay);
  }
}