getURL / go to URL with AS3

A bit more to it than the old getURL in AS2:

var url:String = "http://site";
var request:URLRequest = new URLRequest(url);
try {
  navigateToURL(request, '_blank'); // second argument is target
} catch (e:Error) {
  trace("Error occurred!");
}

Source: http://scriptplayground.com/tutorials/as/getURL-in-Actionscript-3/