function get_comment_action_parent(block){
    var search = true;
    if (!block.attr('readable_comment')) {
        while (search) {
            if (block.parent().attr('readable_comment')) {
                search = false;
                return block.parent();
            } else {
                block = block.parent()
            }
        }
    } else {
            return block;
        }
    }

window.results = {};
$( document.body ).on( "mouseover", "[readable_comment]", function( event ) {
    var b = get_comment_action_parent($(event.target)).attr('readable_comment');
    if (!(b in window.results)){
        read_comment(b);
        window.results[b] = undefined;
    }
});
function read_comment(comment_id){
    // Прочитать комментарий
        $.ajax({type: 'POST',url: '/management/read_comment',data: {'comment': comment_id}});
}

function load_comment(id){
    $.ajax({
              type: 'POST',
              url: '/courses/load_comment',
              data: {'id': id},
              success: function(data) {
                if (data['code'] == '1'){
                    return data['data'];
                } else {
                    return undefined;
                }
              }
            });
}
        function do_delete_comment(id, text){
                    $.ajax({
                      type: 'POST',
                      url: '/courses/delete_comment',
                      data: {'comment': id, 'text': text},
                      success: function(data){
                          if (data['code'] == '1'){
                              $('[name=comment'+id+']').fadeOut('slow');
                          } else {
                              show_system_message(data['response'])
                          }
                      }
                    });
        }