Auto update Lightbox in all pages

Hi,

I created lightboxes in pages
Then I created one page light boxes and i want same light boxes on other page
eg
I update lightboxes of this page (http://fieldworkequipment.com/the-unite/)
and use same light boxes on other pages eg (http://fieldworkequipment.com/field-desk/the-merge/)
But it not update on other pages how can I do this

Thanks