/*-------------------------------------------------------------------- 
 * JQuery Plugin: "EqualHeights"
 * by:	Scott Jehl, Todd Parker, Maggie Costello Wachs (http://www.filamentgroup.com)
 *
 * Copyright (c) 2008 Filament Group
 * Licensed under GPL (http://www.opensource.org/licenses/gpl-license.php)
 *
 * Description: Compares the heights or widths of the top-level children of a provided element 
 		and sets their min-height to the tallest height (or width to widest width). Sets in em units 
 		by default if pxToEm() method is available.
 * Dependencies: jQuery library, pxToEm method	(article: 
		http://www.filamentgroup.com/lab/retaining_scalable_interfaces_with_pixel_to_em_conversion/)							  
 * Usage Example: $(element).equalHeights();
  		Optional: to set min-height in px, pass a true argument: $(element).equalHeights(true);
 * Version: 2.0, 08.01.2008
--------------------------------------------------------------------*/

// customized (row 1-3)

$.fn.equalHeights = function() {
	$(this).each(function(){
		var currentTallest1 = 0;
		var currentTallest2 = 0;
		var currentTallest3 = 0;
		
		if($(this).children('.row1')){
			$('li.row1',this).each(function(i){
				if ($(this).height() > currentTallest1) { currentTallest1 = $(this).height(); }
			});
		}
		if($(this).children('.row2')){
			$('li.row2',this).each(function(i){
				if ($(this).height() > currentTallest2) { currentTallest2 = $(this).height(); }
			});
		}
		if($(this).children('.row3')){
			$('li.row3',this).each(function(i){
				if ($(this).height() > currentTallest3) { currentTallest3 = $(this).height(); }
			});
		}
		
		// for ie6, set height since min-height isn't supported
		if ($.browser.msie && $.browser.version == 6.0) {
			$('li.row1',this).css({'height': currentTallest1});
			$('li.row2',this).css({'height': currentTallest2});
			$('li.row3',this).css({'height': currentTallest3});
		}
		
		$('li.row1',this).css({'min-height': currentTallest1});
		$('li.row2',this).css({'min-height': currentTallest2});
		$('li.row3',this).css({'min-height': currentTallest3});
	});
	return this;
};