$(document).ready(function() {
        $('#button1-0').hover(
          function() {
            $('#button1-0a').attr('src', '/images/buttons/button1-0b.gif');
            $('#button2-0a').attr('src', '/images/buttons/button2-0a.gif');
            $('#button3-0a').attr('src', '/images/buttons/button3-0a.gif');

            $('#button1-1a').attr('src', '/images/buttons/button1-1a.gif');
            $('#button1-2a').attr('src', '/images/buttons/button1-2a.gif');
            $('#button2-1a').attr('src', '/images/buttons/button2-1a.gif');
            $('#button2-2a').attr('src', '/images/buttons/button2-2a.gif');
            $('#button3-1a').attr('src', '/images/buttons/button3-1a.gif');
            $('#button3-2a').attr('src', '/images/buttons/button3-2a.gif');
            $('#button3-3a').attr('src', '/images/buttons/button3-3a.gif');
//            $('#button3-4a').attr('src', '/images/buttons/button3-4a.gif');

            $('#subMenu1').css('display', 'inline-block');
            $('#subMenu2').css('display', 'none');
            $('#subMenu3').css('display', 'none');
            $('#subMenu1-1').css('display', 'none');
            $('#subMenu1-2').css('display', 'none');
            $('#buttonContainer1-2').css('margin-top', '0px');
            jQuery.each(jQuery.browser, function(i, val) {
              if(i=="msie" && jQuery.browser.version.substr(0,3)=="6.0")
                $('#buttonContainer1-2').css('margin-top', '-3px');
              if(i=="msie" && jQuery.browser.version.substr(0,3)=="7.0")
                $('#buttonContainer1-2').css('margin-top', '-3px');
            });
          }
        );
        $('#button2-0').hover(
          function() {
            $('#button1-0a').attr('src', '/images/buttons/button1-0a.gif');
            $('#button2-0a').attr('src', '/images/buttons/button2-0b.gif');
            $('#button3-0a').attr('src', '/images/buttons/button3-0a.gif');

            $('#button1-1a').attr('src', '/images/buttons/button1-1a.gif');
            $('#button1-2a').attr('src', '/images/buttons/button1-2a.gif');
            $('#button2-1a').attr('src', '/images/buttons/button2-1a.gif');
            $('#button2-2a').attr('src', '/images/buttons/button2-2a.gif');
            $('#button3-1a').attr('src', '/images/buttons/button3-1a.gif');
            $('#button3-2a').attr('src', '/images/buttons/button3-2a.gif');
            $('#button3-3a').attr('src', '/images/buttons/button3-3a.gif');
//            $('#button3-4a').attr('src', '/images/buttons/button3-4a.gif');

            $('#subMenu1').css('display', 'none');
            $('#subMenu2').css('display', 'inline-block');
            $('#subMenu3').css('display', 'none');
            $('#subMenu1-1').css('display', 'none');
            $('#subMenu1-2').css('display', 'none');
            $('#buttonContainer1-2').css('margin-top', '0px');
          }
        );
        $('#button3-0').hover(
          function() {
            $('#button1-0a').attr('src', '/images/buttons/button1-0a.gif');
            $('#button2-0a').attr('src', '/images/buttons/button2-0a.gif');
            $('#button3-0a').attr('src', '/images/buttons/button3-0b.gif');

            $('#button1-1a').attr('src', '/images/buttons/button1-1a.gif');
            $('#button1-2a').attr('src', '/images/buttons/button1-2a.gif');
            $('#button2-1a').attr('src', '/images/buttons/button2-1a.gif');
            $('#button2-2a').attr('src', '/images/buttons/button2-2a.gif');
            $('#button3-1a').attr('src', '/images/buttons/button3-1a.gif');
            $('#button3-2a').attr('src', '/images/buttons/button3-2a.gif');
            $('#button3-3a').attr('src', '/images/buttons/button3-3a.gif');
//            $('#button3-4a').attr('src', '/images/buttons/button3-4a.gif');

            $('#subMenu1').css('display', 'none');
            $('#subMenu2').css('display', 'none');
            $('#subMenu3').css('display', 'inline-block');
            $('#subMenu1-1').css('display', 'none');
            $('#subMenu1-2').css('display', 'none');
            $('#buttonContainer1-2').css('margin-top', '0px');
          }
        );
        $('#button1-1').hover(
          function() {
            $('#button1-1a').attr('src', '/images/buttons/button1-1b.gif');
            $('#button1-2a').attr('src', '/images/buttons/button1-2a.gif');
            $('#subMenu1-1').css('display', 'inline-block');
            $('#subMenu1-2').css('display', 'none');
            $('#buttonContainer1-2').css('margin-top', '-72px');
            jQuery.each(jQuery.browser, function(i, val) {
              if(i=="msie" && jQuery.browser.version.substr(0,3)=="8.0")
                $('#buttonContainer1-2').css('margin-top', '-67px');
              if(i=="msie" && jQuery.browser.version.substr(0,3)=="7.0")
                $('#buttonContainer1-2').css('margin-top', '-67px');
              if(i=="msie" && jQuery.browser.version.substr(0,3)=="6.0") {
                $('#buttonContainer1-2').css('margin-top', '-67px');
                $('#subMenu1-1').css('margin-right', '-167px');
              }
            });
          }
        );
        $('#button1-2').hover(
          function() {
            $('#button1-1a').attr('src', '/images/buttons/button1-1a.gif');
            $('#button1-2a').attr('src', '/images/buttons/button1-2b.gif');
            $('#subMenu1-1').css('display', 'none');
            $('#subMenu1-2').css('display', 'inline-block');
            $('#buttonContainer1-2').css('margin-top', '0px');
            jQuery.each(jQuery.browser, function(i, val) {
              if(i=="msie" && jQuery.browser.version.substr(0,3)=="6.0") {
                $('#subMenu1-2').css('margin-right', '-187px');
                $('#buttonContainer1-2').css('margin-top', '-3px');
              }
              if(i=="msie" && jQuery.browser.version.substr(0,3)=="7.0") {
                $('#subMenu1-2').css('margin-right', '-187px');
                $('#buttonContainer1-2').css('margin-top', '-3px');
              }
            });
          }
        );
        $('#button2-1').hover(
          function() {
            $('#button2-1a').attr('src', '/images/buttons/button2-1b.gif');
          },
          function() {
            $('#button2-1a').attr('src', '/images/buttons/button2-1a.gif');
          }
        );
        $('#button2-2').hover(
          function() {
            $('#button2-2a').attr('src', '/images/buttons/button2-2b.gif');
          },
          function() {
            $('#button2-2a').attr('src', '/images/buttons/button2-2a.gif');
          }
        );
        $('#button3-1').hover(
          function() {
            $('#button3-1a').attr('src', '/images/buttons/button3-1b.gif');
          },
          function() {
            $('#button3-1a').attr('src', '/images/buttons/button3-1a.gif');
          }
        );
        $('#button3-2').hover(
          function() {
            $('#button3-2a').attr('src', '/images/buttons/button3-2b.gif');
          },
          function() {
            $('#button3-2a').attr('src', '/images/buttons/button3-2a.gif');
          }
        );
        $('#button3-3').hover(
          function() {
            $('#button3-3a').attr('src', '/images/buttons/button3-3b.gif');
          },
          function() {
            $('#button3-3a').attr('src', '/images/buttons/button3-3a.gif');
          }
        );
//        $('#button3-4').hover(
//          function() {
//            $('#button3-4a').attr('src', '/images/buttons/button3-4b.gif');
//          },
//          function() {
//            $('#button3-4a').attr('src', '/images/buttons/button3-4a.gif');
//          }
//        );
        $('#button1-1-1').hover(
          function() {
            $('#button1-1-1a').attr('src', '/images/buttons/button1-1-1b.gif');
//            $('#buttonContainer2').css('margin-top', '-1px');
//            $('#buttonContainer1-2').css('margin-top', '-72px');
          },
          function() {
            $('#button1-1-1a').attr('src', '/images/buttons/button1-1-1a.gif');
          }
        );
        $('#button1-1-2').hover(
          function() {
            $('#button1-1-2a').attr('src', '/images/buttons/button1-1-2b.gif');
          },
          function() {
            $('#button1-1-2a').attr('src', '/images/buttons/button1-1-2a.gif');
          }
        );
        $('#button1-1-3').hover(
          function() {
            $('#button1-1-3a').attr('src', '/images/buttons/button1-1-3b.gif');
          },
          function() {
            $('#button1-1-3a').attr('src', '/images/buttons/button1-1-3a.gif');
          }
        );
        $('#button1-1-4').hover(
          function() {
            $('#button1-1-4a').attr('src', '/images/buttons/button1-1-4b.gif');
          },
          function() {
            $('#button1-1-4a').attr('src', '/images/buttons/button1-1-4a.gif');
          }
        );
        $('#button1-2-1').hover(
          function() {
            $('#button1-2-1a').attr('src', '/images/buttons/button1-2-1b.gif');
          },
          function() {
            $('#button1-2-1a').attr('src', '/images/buttons/button1-2-1a.gif');
          }
        );
        $('#button1-2-2').hover(
          function() {
            $('#button1-2-2a').attr('src', '/images/buttons/button1-2-2b.gif');
          },
          function() {
            $('#button1-2-2a').attr('src', '/images/buttons/button1-2-2a.gif');
          }
        );
        $('#body').hover(
          function() {
            $('#button1-0a').attr('src', '/images/buttons/button1-0a.gif');
            $('#button2-0a').attr('src', '/images/buttons/button2-0a.gif');
            $('#button3-0a').attr('src', '/images/buttons/button3-0a.gif');
            $('#subMenu1').css('display', 'none');
            $('#subMenu2').css('display', 'none');
            $('#subMenu3').css('display', 'none');
          }
        );
      });


    function preload(arrayOfImages) {
    $(arrayOfImages).each(function(){
        $('<img/>')[0].src = this;
        // Alternatively you could use:
        // (new Image()).src = this;
      });
    }

    // Usage:

    preload([
      '/images/buttons/button1-0b.gif',
      '/images/buttons/button2-0b.gif',
      '/images/buttons/button3-0b.gif',
      '/images/buttons/button1-1b.gif',
      '/images/buttons/button1-2b.gif',
      '/images/buttons/button2-1b.gif',
      '/images/buttons/button2-2b.gif',
      '/images/buttons/button3-1b.gif',
      '/images/buttons/button3-2b.gif',
      '/images/buttons/button3-3b.gif',
//      '/images/buttons/button3-4b.gif',
      '/images/downloadOrange.png'
    ]);