/* Author: 

*/

var element = 1;

var images = ['bg1.png','bg2.png','bg3.png','bg4.png','bg5.png','bg6.png','bg7.png','bg8.png','bg9.png'];
$('#main').css({'background': 'url(/images/' + images[Math.floor(Math.random() * images.length)] + ') no-repeat top center'});

$('#members').change(function(){
  var optionSelectedValue = $('#members option:selected').val();
  top.location.href = optionSelectedValue;
});

$('#categories').change(function(){
  var optionSelectedValue = $('#categories option:selected').val();
  top.location.href = optionSelectedValue;
});

$(document).ready(function(){  
    $("#featured > ul").tabs({fx:{opacity: "toggle"}}).tabs("rotate", 5000, true);
  $("#gallery a:first").addClass('show');
  $("#gallery ").removeAttr('style');
  $("#images").removeClass('loading');
  slideShow();
  
  $(".member_list").each(function() {
    
    var id = $(this).attr('id');
    var letter = getUrlVars()["letter"];
    if (letter === 'undefined') letter = 'a';
  
    if (id.charAt(0) == getUrlVars()["letter"]) {
      $(this).show();
    } else {
      $(this).hide();
    }
  
  }); 

}); 

function getUrlVars()
{
    var vars = [], hash;
    var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
    for(var i = 0; i < hashes.length; i++)
    {
        hash = hashes[i].split('=');
        vars.push(hash[0]);
        vars[hash[0]] = hash[1];
    }
    return vars;
}


function slideShow() {

  //Set the opacity of all images to 0
  $('#gallery a').css({opacity: 0.0});
  
  //Get the first image and display it (set it to full opacity)
  $('#gallery a:first').css({opacity: 1.0});
  
  //Set the caption background to semi-transparent
  //$('#gallery .caption').css({opacity: 0.7});

  //Resize the width of the caption according to the image width
  //$('#gallery .caption').css({width: $('#gallery a').find('img').css('width')});
  
  //Get the caption of the first image from REL attribute and display it
  //$('#gallery .content').html($('#gallery a:first').find('img').attr('rel'))
  //.animate({opacity: 0.7}, 400);
  
  //Call the gallery function to run the slideshow, 6000 = change to next image after 6 seconds
  setInterval('gallery()',6000);
  
}

function gallery() {
  
  //if no IMGs have the show class, grab the first image
  var current = ($('#gallery a.show')?  $('#gallery a.show') : $('#gallery a:first'));

  //Get next image, if it reached the end of the slideshow, rotate it back to the first image
  var next = ((current.next().length) ? ((current.next().hasClass('caption'))? $('#gallery a:first') :current.next()) : $('#gallery a:first'));  
  
  //Get next image caption
  var caption = next.find('img').attr('rel');  
  
  //Set the fade in effect for the next image, show class has higher z-index
  next.vAlign().hAlign().css({opacity: 0.0})
  .addClass('show')
  .animate({opacity: 1.0}, 1000);

  //Hide the current image
  current.animate({opacity: 0.0}, 1000)
  .removeClass('show');
  
  //Set the opacity to 0 and height to 1px
  $('#gallery .caption').animate({opacity: 0.0}, { queue:false, duration:0 }).animate({height: '1px'}, { queue:true, duration:300 });  
  
  //Animate the caption, opacity to 0.7 and heigth to 100px, a slide up effect
  $('#gallery .caption').animate({opacity: 0.7},100 ).animate({height: '100px'},500 );
  
  //Display the content
  $('#gallery .content').html(caption);
  
  
}