Moving a button according to tap or finger movement

//setting pan and tap gesture to the man flex
function setGest(){
  var tapdata = {fingers:1,taps:1};
var pandata = {fingers: 1, continuousEvents: true};

frmGesture.flxMain.addGestureRecognizer(1, tapdata, gestureFunc);
frmGesture.flxMain.addGestureRecognizer(4, pandata, gestureFunc);
}

//moving button position in the callback
function gestureFunc(widgetRef, gestureInfo, context){
  try{

   
    if(gestureInfo.gestureType === 1 || gestureInfo.gestureType === "1" ){
      frmGesture.btn.left = gestureInfo.gestureX * 2/3;
      frmGesture.btn.top = gestureInfo.gestureY * 2/3;
    }else{
        frmGesture.btn.left = gestureInfo.gestureX * 2/3;
      frmGesture.btn.top = gestureInfo.gestureY * 2/3;
    }
  }catch(err){
    alert("Error "+err);
  }
}