$(document).ready(function(){
$().piroBox({
      my_speed: 300, //animation speed
      bg_alpha: 0.5, //background opacity
      radius: 4, //caption rounded corner
      pirobox_next : 'piro_next', // Nav buttons -> piro_next == inside piroBox , piro_next_out == outside piroBox
      pirobox_prev : 'piro_prev',// Nav buttons -> piro_prev == inside piroBox , piro_prev_out == outside piroBox
      close_all : '.piro_close',// add class .piro_overlay(with comma)if you want overlay click close piroBox
      slideShow : '', // just delete slideshow between '' if you don't want it.
      slideSpeed : 3 //slideshow duration in seconds(3 to 6 Recommended)
      });
});