(function ($) {
$.fn.vAlign = function() {
	return this.each(function(i){
		var elementHeight = $(this).outerHeight(true);
		var parentHeight = $(this).parent().height() - $(this).position().top;
		var elementMarginTop = ((parentHeight - elementHeight) / 2);
		$(this).css('margin-top', elementMarginTop);
	});
};
})(jQuery);