$(document).observe('dom:loaded',function(event){
	// Initialize thumbnail hover on case studies
	$$('#case_studies_list a.project_thumbnail_link').each(function(e){
		e.observe('mouseover',function(event){
			e.select('img.project_thumbnail')[0].hide();
		}).observe('mouseout',function(event){
			e.select('img.project_thumbnail')[0].show();
		});
	});
});