Use the HTML5 custom data attribute data-lightbox to activate the lightbox. For example:
<a data-lightbox="on" href="image_lb.jpg"><img src="image.jpg" width="180" height="120" alt="" /></a>
If you want to create a group for your images or videos use the group parameter. For example:
<adata-lightbox="group:mygroup"href="image1_lb.jpg"><img src="image1.jpg" width="180" height="120" alt="" /></a> <adata-lightbox="group:mygroup"href="image2_lb.jpg"><img src="image2.jpg" width="180" height="120" alt="" /></a>
You can set various other lightbox parameters to the data attribute. For example:
<a data-lightbox="transitionIn:elastic;transitionOut:elastic;" href="http://www.google.com">Lightbox</a>
Here is a list of common parameters:
float, outside, inside or over)fade, elastic, or none)fade, elastic, or none)true or false