// JavaScript Document

var galCurrent = 0;
function getElement(v_id)
{
   // primitive DOM retrieval - supports IE and W3C methods. No NS4 support
   if (document.getElementById(v_id)) return document.getElementById(v_id);
   if (document.all[v_id]) return document.all[v_id];
   return false;
}

function galLoad()
{
   var pattern = new RegExp("(image=)([0-9]+)");
   if (document.location.href.match(pattern))
   {
      var match = document.location.href.match(pattern);
      galCurrent = parseInt(match[2]);
   }
   galShow();
}

function galShow()
{
   // update preview pane
  if (getElement('galImage'))
  {
	 getElement('galImage').src = gallery[galCurrent][0];
     getElement('galCaption').innerHTML = gallery[galCurrent][1];
     getElement('galImage').setAttribute('alt', gallery[galCurrent][2]);
     getElement('galCounter').innerHTML = '<strong>'+ (galCurrent+1) +'</strong> of '+ gallery.length;
/*
     if (galCurrent==0)
		 getElement('galPrevious').style.display = 'none';
	else
        getElement('galPrevious').style.display = 'inline';

	if (galCurrent>=gallery.length-1)
        getElement('galNext').style.display = 'none';
	else
        getElement('galNext').style.display = 'inline';

     setTimeout('galPreload()', 350);
*/
   }
}

function galChange(newGal)
{
   // load next image
  if (newGal<gallery.length)
  {
     f_fadeOut('galImage', 0);
     galCurrent = newGal;
     setTimeout('galShow()', 450);
  }
}

function galNext()
{
   // load next image
  if (galCurrent<gallery.length-1)
  {
     f_fadeOut('galImage', 0);
     galCurrent++;
     setTimeout('galShow()', 450);
  }
}

function galPrevious()
{
  // load previous image
  if (galCurrent>0)
  {
     f_fadeOut('galImage', 0);
     galCurrent--;
     setTimeout('galShow()', 450);
   }
}

function galPreload()
{
	
/*
   // preload next and previous images

  if (galCurrent<gallery.length-1)
  {
     var v_preload1 = new Image;
     v_preload1.src = gallery[galCurrent+1][0];
  }

  if (galCurrent>0)
  {
     var v_preload0 = new Image;
     v_preload0.src = gallery[galCurrent-1][0];
  }
*/
}