$(document).on('change','.form-field.file input[type=file]',function(){
        var filename = $(this).val().replace(/.*\\/, "");
        if(this.hasAttribute("multiple")){
            var filenames=[], total_size=0, total_maxsize=$(this).data('total_maxsize'), size_style='';
            for (var i = 0; i < this.files.length; ++i){
                total_size+=this.files.item(i).size;
                filenames.push(this.files.item(i).name);
            }
            filename = filenames.join(", ");
            if(total_size>0&&total_maxsize){
                if(total_maxsize&&total_size>total_maxsize)size_style='color:red;text-decoration:underline;font-weight:bold;';
                filename+='. Общий размер файлов: <span style="'+size_style+'">'+formControls.file.formatBytes(total_size)+'</span>';
            }
        }
        $(this).parents(".form-field.file").first().find('.filename').html(filename);
    });