var touch = 0;
function scroll1(e,ins){
  if(touch==1){
    var scrollTop = e.detail.scrollTop;
    ins.callMethod("scroll2", { scrollTop2: scrollTop});
    //console.log("scroll2");
  }
}
function scroll2(e, ins) {
  if(touch==2){
    var scrollTop = e.detail.scrollTop;
    ins.callMethod("scroll1", { scrollTop1: scrollTop });
  //console.log("scroll1");
  }
}
function touch1(e,ins){
  //console.log("touch1");
  touch = 1;
}
function touch2(e, ins) {
  //console.log("touch2");
  touch = 2;
}



module.exports = {
  scroll1: scroll1,
  scroll2: scroll2,
  touch1:touch1,
  touch2:touch2
}