jQuery.fn.equalify = function() {
    return this.each(function(){
    
		var $list = $(this);

		//select boxes
		var $listItems = $list.find('li');

		//create array for heights
		var heights = Array();
		
		//create function to numerically sort array in reverse order
		function sortArray(a,b) {
			return b - a;
		}
			
		//iterate through links
		for( var i = 0, n = $listItems.length;  i < n;  ++i ) {
			var ul = $listItems[i];
			//add heights to array
			heights.push($(ul).height());
		}
		
		//sort array so highest number is at start
		var ordered = heights.sort(sortArray);
		var highest = ordered[0];
		
		//set all list items to the height of the highest
		$listItems.css("height", highest);
        
    });
};