function cmp_sportal_overview( p_app_rewrite_base )
{
    this._url = p_app_rewrite_base + 'index.php?cmd=ajax_cmp_sportal_overview';

    this._current_tag = 4; // default

    this.set_tag = function( p_tag )
    {
        $( '#div_sportal_overview').hide();
        $( '#div_sportal_overview_spinner').show();

        $( '#id_sportal_overview_menu_' + this._current_tag ).removeClass( 'active' );
        
        var _new_tag = p_tag;
        this._current_tag = _new_tag;
        
        $( '#div_sportal_overview').load( this._url + '&tag_id=' + p_tag, {}, function()
        {
            $( '#id_sportal_overview_menu_' + _new_tag ).addClass( 'active' );
            
            $( '#div_sportal_overview_spinner').hide();
            $( '#div_sportal_overview').show();
        }
        );
    }
}