// select the thumbnails and make them trigger our overlay
$(document).ready(function() {
	$(".project-block .gallery a").overlay({ 
	 
	    // each trigger uses the same overlay with the id "gallery" 
	    target: '#gallery-viewer', 
	 
	    // optional exposing effect 
	    expose: '#f1f1f1' 
	 
	// let the gallery plugin do its magic! 
	}).gallery({ 
	 
	    // the plugin accepts its own set of configuration options 
	    speed: 800 
	});
});