(function($)
{  
	// initiate the jQuery Plugin  
	$.fn.clickAt = function()
	{  
		var regexp = /(@\w*)/gi; 
		var atregexp = /(twitter.com\/@)/gi; 
		// loop through each matched selector  
		 this.each(function() { 
			$(this).html(
				$(this).html().replace(regexp,'<a href="http://www.twitter.com/$1">$1</a>').replace(atregexp,'twitter.com/')
			);
		 });  
	 // return itself to maintain chainability  
	 return $(this);
	}
})(jQuery);