jQuery(window).load(function(){
	var bigimages = [];
	var thumbs = jQuery('img[src*=_thumb]');
	jQuery(thumbs).each(function() {
		var bigimage = document.createElement('img');
		bigimage.src = jQuery(this).attr('src').replace(/^(.*?)_thumb.(.*)$/,"$1.$2");
		bigimages.push(bigimage);
	});
});