$.fn.normaliseHeights = function() {

	var heightArray = new Array();
	var selectedElements = $(this);
	
	normaliseNow();	

	function normaliseNow() {
		
		// Loop through, recording outerHeight to an array
		selectedElements.each(function(i) {
			var parentElement = $(this);									   
			parentElement.data('originalHeight',parentElement.outerHeight());									   
			heightArray[i] = parentElement.outerHeight();                  	// Height with border + padding
		});
		
		heightArray.sort(function(a,b){return b - a});          	 		// Sort array numerically and descending
		selectedElements.height(heightArray[0]);                     		// Set all elements to have largest height
		
		// Loop through again, adjusting all heights accordingly
		selectedElements.each(function(i) {
									   
			parentElement = $(this);							   

			var heightDifference = parentElement.outerHeight() - parentElement.height();
			parentElement.height(parentElement.height() - heightDifference);
			
		});
		
		return selectedElements;
	}

}