import mx.controls.ToolTip;
import mx.managers.ToolTipManager;
private var errorTip:ToolTip;
private var myError:String;
private function validateEntry(type:String, event:Object):void {
// NOTE: Validation logic would go here.
switch(type) {
case "ssn":
myError="Use SSN format";
break;
case "phone":
myError="Use phone format";
break;
}
event.currentTarget.errorString = myError;
}