(function($){
  Drupal.behaviors.moving_walls = {
    attach: function(context, settings){
      
      //close any other open drop-downs aside from the one passed to the function
      function closeOpens(index) {
        for (var i = 0; i < $(".region-header-first-inner .block-views h2", context).length; i++) {
          if (i != index) {
            $('.region-header-first-inner .block-views .content:eq(' + i + ')', context).removeClass("open");
            $('.region-header-first-inner .block-views .content:eq(' + i + ')', context).hide();
          }
        }
      }
      
      //Drop down navigation
      $('html', context).click(function(event){
        if ($(event.target).is('.region-header-first-inner .block-views h2.block-title')) {
          var index = $(".region-header-first-inner .block-views h2", context).index(event.target);
          if ($('.region-header-first-inner .block-views .content:eq(' + index + ')', context).hasClass("open")) {
            $('.region-header-first-inner .block-views .content:eq(' + index + ')', context).hide();
            $('.region-header-first-inner .block-views .content:eq(' + index + ')', context).removeClass("open");
          }
          else {
            closeOpens(index);
            $('.region-header-first-inner .block-views .content:eq(' + index + ')', context).slideDown("fast");
            $('.region-header-first-inner .block-views .content:eq(' + index + ')', context).addClass("open");
          }
        } else {
          closeOpens();
        }
      });
      
      $("form#osf-newsletter-signup-form").one( "submit", function(event) {
        event.preventDefault();
  
        var email = $("form#osf-newsletter-signup-form #edit-email").val();
        var dataString = 'email=' + encodeURIComponent(email) +
                   '&type=Documentary Photography' +
                   '&welcome=0' +
                   '&src=mw';
        var msg = $("form#osf-newsletter-signup-form").next("p");
  
        // disable submit button on click
        $(this).find(':submit').attr('disabled','disabled');
  
        if(email && isEmail(email)) {
          $.ajax({
            type: "GET",
            context: this,
            url: "//apps.opensocietyfoundations.org/subscribe/",
            data: dataString,
            success: function(data) {
        
              $("form#osf-newsletter-signup-form").fadeOut();
              msg.fadeOut( function (event) {
                  msg.text('Thank you for subscribing.');
                  msg.fadeIn();
              });
              
            },
            error: function(xhr,err){
              console.log("readyState: "+xhr.readyState+"\nstatus: "+xhr.status);
              console.log(xhr);
              //$(this).find(':submit').attr('disabled','enabled');
            }
          });
        }
  
        return false;
      });
  
    }
  }; //end behavior
})(jQuery);