var GalleryFiles = new Array();
var pointer = 0;

window.showImage = function(url)
{
  url = GalleryFiles[pointer][1];

 bg = new Layer('img_background',false);
 bg.fullScreen();
 l = new Layer('img_layer',true)
 img=document.createElement('img');
 img.onload=function()
 {
  l.object.appendChild(img);
  l.show();
 }
 img.src=url;
 bg.object.onclick=function()
 {
  bg.remove();
  l.remove();
 }
 l.object.onclick=function()
 {
  bg.remove();
  l.remove();
 }
 return false;
}

window.changeImg = function(url,cont)
{
 img=document.createElement('img');
 img.onload = function ()
 {
   document.getElementById(cont).src=img.src;
 }
 img.src=url; 
 
 pointer = 0;
 for(id in GalleryFiles)  
  if(GalleryFiles[id][0] == url )
    pointer = id;
 
 return false;
}

window.nextImg = function(cont)
{
 if(pointer < GalleryFiles.length -1)
  {
   pointer++;
   changeImg(GalleryFiles[pointer][0],cont);
  }
  return false;
}

window.prevImg = function(cont)
{
 if(pointer > 0 )
  {
   pointer--;
   changeImg(GalleryFiles[pointer][0],cont);
  }
 return false;
}

function AddPhoto($small,$big)
{
  temp = GalleryFiles.length ;
  GalleryFiles[temp] = new Array($small,$big);

}