code: function( ua ) {
  		ua = ua.toLowerCase();
  
  		var match = rwebkit.exec( ua ) ||
  			ropera.exec( ua ) ||
  			rmsie.exec( ua ) ||
  			ua.indexOf("compatible") < 0 && rmozilla.exec( ua ) ||
  			[];
  
  		return { browser: match[1] || "", version: match[2] || "0" };
  	}
docs: Use of jQuery.browser is frowned upon. More details: http://docs.jquery.com/Utilities/jQuery.browser