(function ($) {
	$.fn.tagCloud = function (options) {
		var defaults = {
			separator: ',',
			randomize: true
		};

		var options = $.extend(defaults, options);
		var randomize = function () {
			return (Math.round(Math.random()) - 0.5);
		};

		var trim = function (text) {
			return text.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
		};

		return this.each(function () {
			var arr = $(this).text().split(options.separator);
			if (options.randomize) arr.sort(randomize);
			var words_arr = {};
			$(arr).each(function (i) {
				word = trim(this);
				words_arr[word] = words_arr[word] ? words_arr[word] + 1 : 1;
			});
			var html = '';
			$.each(words_arr, function (k, v) {
				v = (v > 2) ? "xx-small" :
						(v > 1) ? "x-small" :
						(v > 0.5) ? "small" :
						(v > -0.5) ? "medium" :
						(v > -1) ? "large" :
						(v > -2) ? "x-large" :
						 "xx-large";
				html += '<a href="#' + k + '" style="font-size: ' + v + '" title="' + k + '"><span>' + k + '</span></a>';
			});
			$(this).html(html);
		});
	};
})(jQuery);