/*-------------------------------------------------------------------- 
 * 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
--------------------------------------------------------------------*/

$.fn.equalHeights = function(px) {
	
	$(this).each(function(){
						  
		// var currentTallest = $(this).height();
		var currentTallest = 0;
		
		// Get the talest element
		$(this).children().each(function(i){
			if ($(this).height() > currentTallest) 
			{ 
				currentTallest = $(this).height(); 										
			}
		});		
		
		// Set the position of the product-item-buttons
		$(this).children().each(function(i){
				
				if($(this).height() != currentTallest)
				{					
					var height = currentTallest - $(this).height();	
					$(this).find(".product-item-buttons").css({'top': height});						
				}
		});		
		
		
		// if (!px || !Number.prototype.pxToEm) currentTallest = currentTallest.pxToEm(); //use ems unless px is specified
		// for ie6, set height since min-height isn't supported
	
		// Check if brower is IE 6, set the height to the current tallest
		if ($.browser.msie && $.browser.version == 6.0) 
		{ 
			$(this).children().css({'height': currentTallest}); 
		}
		
		// Set the minmum height
		$(this).children().css(
							   {'min-height': currentTallest}
							   );
		
		$("div.product-item-buttons").css({'bottom': '0px'})
		
		
	});
	return this;
};