$(document).ready(function(){
	//fade all thumbnails initially
	$('.work_picture_chooser > img').animate({opacity: 0.7}, 0);
	
	//mouseover opacity for work thumbnails
	$('.work_picture_chooser > img').hover(
		function () {
			$(this).animate({opacity: 1}, 100);
		}, 
		function () {
			$(this).animate({opacity: 0.7}, 100);
		}
	);
});