jQuery(document).ready(function(){
    fw_ajax_portfolio_pagination('#load_more_projects', '.fw-portfolio-list');
});

function fw_ajax_portfolio_pagination(load_more_button_id, append_to_container_id)
{
    var paged = FwPhpVars.paged;
    var max_num_pages = FwPhpVars.max_num_pages;
    var load_more_button = jQuery(load_more_button_id);
    load_more_button.on('click', function(){
        paged++;
        // show loading text
        load_more_button.children('span').text(FwPhpVars.loading_text);
        // get value from hidden input with id=current_portfolio_category
        var id = jQuery('#current_portfolio_category').val();
        var ajax_data = "action=fw_theme_ajax_get_projects&id="+id+'&paged='+paged;
        jQuery.ajax({
            type: "POST",
            url: FwPhpVars.ajax_url,
            data: ajax_data,
            success: function(rsp){
                var obj = jQuery.parseJSON(rsp);
                for(var i = 0 ;i < parseInt(obj.items); i++)
                {
                    var boxes = jQuery(obj.html[i]);
                    jQuery(append_to_container_id).append( boxes );
                }

                if(max_num_pages <= paged)
                {
                    load_more_button.hide();
                }
                load_more_button.children('span').text(FwPhpVars.load_more_text);
            }
        });
    });
    // for hide pagination button if in current category initial number of posts <= post_per_page
    if(typeof(max_num_pages != undefined) && typeof(paged != undefined) || (max_num_pages <= paged) )
    {
        load_more_button.hide();
    }
    return false;
}