var gar = new Array(
                new Picture('c1t.jpg', '', '347px', '520px'),
                new Picture('c2t.jpg', '', '347px', '520px'),
                new Picture('c3t.jpg', '', '520px', '347px'),
                new Picture('c4t.jpg', '', '520px', '347px'),
                new Picture('c5t.jpg', '', '520px', '347px'),
                new Picture('c6t.jpg', '', '520px', '347px'),
                new Picture('c7t.jpg', '', '305px', '520px'),
                new Picture('c8t.jpg', '', '520px', '347px'),
                new Picture('c9t.jpg', '', '520px', '347px'),
                new Picture('c10t.jpg', '', '520px', '347px'),
                new Picture('c11t.jpg', '', '356px', '520px'),
                new Picture('c12t.jpg', '', '520px', '347px'),
                new Picture('c13t.jpg', '', '520px', '347px'),
                new Picture('c14t.jpg', '', '342px', '520px'),
                new Picture('c15t.jpg', '', '520px', '347px'),
                new Picture('c16t.jpg', '', '520px', '347px'),
                new Picture('c17t.jpg', '', '320px', '520px'),
                new Picture('c18t.jpg', '', '520px', '347px'),
                new Picture('c19t.jpg', '', '520px', '349px'),
                new Picture('c20t.jpg', '', '520px', '347px')
          );

var dar = new Array(
                new Picture('d1t.jpg', '', '347px', '520px'),
                new Picture('d2t.jpg', '', '520px', '347px'),
                new Picture('d3t.jpg', '', '520px', '347px'),
                new Picture('d4t.jpg', '', '347px', '520px'),
                new Picture('d5t.jpg', '', '520px', '347px'),
                new Picture('d6t.jpg', '', '520px', '347px'),
                new Picture('d7t.jpg', '', '520px', '325px'),
                new Picture('d8t.jpg', '', '520px', '347px'),
                new Picture('d9t.jpg', '', '520px', '341px'),
                new Picture('d10t.jpg', '', '347px', '520px'),
                new Picture('d11t.jpg', '', '347px', '520px'),
                new Picture('d12t.jpg', '', '350px', '520px'),
                new Picture('d13t.jpg', '', '343px', '520px'),
                new Picture('d14t.jpg', '', '520px', '347px'),
                new Picture('d15t.jpg', '', '347px', '520px'),
                new Picture('d16t.jpg', '', '520px', '353px'),
                new Picture('d17t.jpg', '', '347px', '520px'),
                new Picture('d18t.jpg', '', '520px', '347px'),
                new Picture('d19t.jpg', '', '380px', '520px')
          );
          
var aar = new Array(
                new Picture('a1t.jpg', '', '347px', '520px'),
                new Picture('a2t.jpg', '', '520px', '347px'),
                new Picture('a3t.jpg', '', '520px', '347px'),
                new Picture('a4t.jpg', '', '520px', '347px'),
                new Picture('a5t.jpg', '', '520px', '347px'),
                new Picture('a6t.jpg', '', '520px', '347px'),
                new Picture('a7t.jpg', '', '347px', '520px'),
				new Picture('a8t.jpg', '', '520px', '347px'),
				new Picture('a9t.jpg', '', '520px', '347px'),
                new Picture('a10t.jpg', '', '347px', '520px'),
                new Picture('a11t.jpg', '', '520px', '347px'),
                new Picture('a12t.jpg', '', '520px', '347px'),
				new Picture('a13t.jpg', '', '371px', '500px'),
                new Picture('a14t.jpg', '', '520px', '347px'),
				new Picture('a15t.jpg', '', '346px', '520px'),
                new Picture('a16t.jpg', '', '520px', '350px'),
				new Picture('a17t.jpg', '', '346px', '520px'),
                new Picture('a18t.jpg', '', '520px', '347px'),
                new Picture('a19t.jpg', '', '520px', '358px'),
				new Picture('a20t.jpg', '', '520px', '338px'),
				new Picture('a21t.jpg', '', '520px', '340px'),
                new Picture('a22t.jpg', '', '348px', '520px'),
                new Picture('a23t.jpg', '', '520px', '347px'),
                new Picture('a25t.jpg', '', '520px', '347px')
          );

var galleryId = GetParentDir();
var index = GetPageIndex();
var previousText = '<';
var nextText = '>';
var pageName = '';
var pageSuffix = '.php';
var pageString = '/photo-gallery/' + galleryId + '/' + pageName;
var previousPage = pageString + (index - 1) + pageSuffix;
var nextPage = pageString + (parseInt(index) + 1) + pageSuffix;
var ar;

switch (galleryId) {
    case 'children': ar = gar; break;
    case 'dreamlife': ar = dar; break;
    case 'animals': ar = aar; break;
} 

function Picture(filename, description, width, height) {
    this.filename = filename;
    this.description = description;
    this.width = width;
    this.height = height;
}

function GetQueryString(name, defaultValue) {
   var tmp = (location.search.substring(1));
   var i = tmp.toUpperCase().indexOf(name.toUpperCase() + '=');
   if (i >= 0) {
      tmp = tmp.substring(name.length + i + 1);
      i = tmp.indexOf("&");
      return unescape(tmp = tmp.substring(0, (i >= 0) ? i : tmp.length));
   }
   return defaultValue;
}

function GetParentDir() {
    tmp = location.pathname.split('/');
    return tmp[tmp.length - 2];
}

function GetPageName() {
    tmp = location.pathname.split('/');
    return tmp[tmp.length - 1];
}

function GetPageIndex() {
    var tmp = GetPageName();
    if (tmp == '')
        return 1;
    else
        return tmp.split('.')[0];
}