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ws.m.pin ={

mouseMove:function (ev) {
ev = ev || window.event;
var mousePos = mouseCoords(ev);
      },
mouseCoords:function (ev) {
if(ev.pageX || ev.pageY) {
  return {x:ev.pageX, y:ev.pageY};
}
return {
  x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,
  y:ev.clientY + document.body.scrollTop - document.body.clientTop
};
      }
          }
mouseCoords is not defined

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var mousePos = this.mouseCoords(ev);

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var mousePos = this.mouseCoords(ev);
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