function loadthumb(imgtarg, src){
	$(imgtarg).hide();
	var img = new Image();
	$(img).load(function(){
		$(imgtarg).attr("src", src);
		$(imgtarg).fadeIn("slow");
	}).attr("src", src);
	return false;
}

$(document).ready(function(){
$('.img1').each(function(i){$('.sample1-' + (i + 1)).click(function(){loadthumb('#bigimg1', 'images/ben_roberts/ben_roberts-' + (i + 1) + '.jpg');});});
$('.img2').each(function(i){$('.sample2-' + (i + 1)).click(function(){loadthumb('#bigimg2', 'images/ben_roberts/ben_roberts-' + (i + 1) + '.jpg');});});
$('.img3').each(function(i){$('.sample3-' + (i + 1)).click(function(){loadthumb('#bigimg3', 'images/ben_roberts/ben_roberts-' + (i + 1) + '.jpg');});});
$('.img4').each(function(i){$('.sample4-' + (i + 1)).click(function(){loadthumb('#bigimg4', 'images/ben_roberts/ben_roberts-' + (i + 1) + '.jpg');});});
});