////
//// support code for MIT Music Program site home page
////

//
// required:
//   jquery.js (version 1.2.6+) (see jquery.com)
//   swfobject-2.1.js
//

$(document).ready(function(){

  ////
  //// random image on home page
  ////
  //
  // list of photo classes
  homephotos = new Array();
  homephotos[homephotos.length] = "photo01";
  homephotos[homephotos.length] = "photo02";
  homephotos[homephotos.length] = "photo03";
  homephotos[homephotos.length] = "photo04";
  homephotos[homephotos.length] = "photo05";
  homephotos[homephotos.length] = "photo06";
  homephotos[homephotos.length] = "photo07";
  homephotos[homephotos.length] = "photo08";
  homephotos[homephotos.length] = "photo09";
  homephotos[homephotos.length] = "photo10";
  homephotos[homephotos.length] = "photo11";
  homephotos[homephotos.length] = "photo12";
  // number of candidate photos
  var nhomephotos = homephotos.length;
  // pick one
  ihomephoto = Math.floor(Math.random()*nhomephotos);
  // insert into page
  $('body.home #divoutershell').addClass(homephotos[ihomephoto]);

  ////
  //// mouseovers
  ////
  //
  // swap and restore audio button
  //
  $('#divaudiolink a img').mouseover( function() {
    this.src = this.src.replace(/_off/, '_on');
  });
  $('#divaudiolink a img').mouseout( function() {
    this.src = this.src.replace(/_on/, '_off');
  });
  // preload the mouseover image
  $.preloadImg.add($('#divaudiolink a img').attr('src').replace(/_off/, '_on'));
  $.preloadImg.start();


});