/*********************************************************************************************\
*       COPYRIGHT © 2009 ENVISION INFORMATION TECHNOLOGIES, LLC.    ALL RIGHTS RESERVED       *
*       DISTRIBUTION, UNAUTHORIZED USE AND MODIFICATION IS STRICTLY PROHIBITED                *
*       ENVISION IT, MADISON, WI    http://www.envisionitllc.com   info@envisionitllc.com     *
\*********************************************************************************************/

var currentImage = 0;

function setProject(num)
{
  document.getElementById('portimage').src = '/portfolio/images/portfolio/full_' + portIds[num] + '.jpg';
  document.getElementById('portimage').alt = portTitles[num];
  
  currentImage = num;
  
  setBullets(num);
  
  document.getElementById('photoTitle').innerHTML = portTitles[num];
  
  document.getElementById('photoDescription').innerHTML = portDescriptions[num].replace(/¥quot;/gi, '"');
};

function setBullets()
{
  var num = currentImage;
  
  // handle the bullets
  var bullets = document.getElementById('bullets');
  for (var a = bullets.childNodes.length-1; a >= 0; a--)
    bullets.removeChild(bullets.childNodes[a]);
  
  var inList = false;
  var list = null;
  
  for (var a=0; a < portBullets[num].length; a++)
  {
    var isheading = (portBulletsTitle[num][a] == true);
    
    if (isheading == true)
    {
      if (inList == true)
      {
        bullets.appendChild(list);
        inList = false;
      };
      
      var heading = document.createElement("div");
      heading.className = 'portfolioBulletHeading';
      heading.innerHTML = portBullets[num][a];
      bullets.appendChild(heading);
    }
    else
    {
      if (inList == false)
      {
        list = document.createElement("ul");
        inList = true;
      };
      
      var bullet = document.createElement("li");
      bullet.innerHTML = portBullets[num][a];
      list.appendChild(bullet);
    };
  };
  
  if (inList == true)
    bullets.appendChild(list);
};

function movePrevious()
{
  if (currentImage == 0)
    setProject(portTitles.length-1);
  else
    setProject(currentImage-1);
};

function moveNext()
{
  if (currentImage == (portTitles.length-1))
    setProject(0);
  else
    setProject(currentImage+1);
};