addChild(txtNav = new TextField());

         txtNav.htmlText =

         "<a href='event:3'><u>3</u></a> <a href='event:4'><u>4</u></a> " +

         "<a href='event:5'><u>5</u></a> <a href='event:6'><u>6</u></a> "+

         "<a href='event:7'><u>7</u></a>";

         txtNav.addEventListener("link", txtNavHandler);

....

      private function txtNavHandler(e:TextEvent):void {

         maxGripDraw = int(e.text);

         //updateDraw();

      }