;if(window.jQuery) (function($){
	$.fn.equal = function(options){
		if(this.length==0) return this; // Comprobación de seguridad
		var maxHeight = 0;
		this.each(function(i){if ( $(this).height() > maxHeight) maxHeight = $(this).height();});
		this.each(function(i){ $(this).css ({"height" : maxHeight +"px"}); });
	};
})(jQuery);