Tests to see whether the targeted image is a vertical or horizontal image and adds the appropriate class.

image_orienter.js

function check_image_orientation(image_to_check){
		
	$(image_to_check).load(function(){
		function orient_image() {
			var image_width = parseInt(image_to_check.width());
			var image_height = parseInt(image_to_check.height());

			if (image_height <= image_width) {
				$(image_to_check).addClass('horizontal_image');
			} else {
				$(image_to_check).addClass('vertical_image');
			}
		}
		setTimeout(orient_image, 0);
	});

};


$('document').ready(function(){

     var image_to_check = $('#photos #main_content p img');
     check_image_orientation(image_to_check);

});