jQuery "equal heights" method

jquery.equalHeights.js

$.fn.equalHeights = function() {  
    var maxHeight = 0;  
    $(this).each(function(index){  
        var height = $(this).height();  
  
        if (maxHeight < height) {  
            maxHeight = height  
        }  
   });  
   $(this).height(maxHeight);  
}