$('#webchat_scroller').on('touchstart',function(e) {
var touch = e.originalEvent.targetTouches[0];
var y = touch.pageY;
});
$('#webchat_scroller').on('touchmove',function(e) {
var touch = e.originalEvent.targetTouches[0];
var y = touch.pageY;
});
$('#webchat_scroller').on('touchend',function(e) {
var touch = e.originalEvent.changedTouches[0];
var y = touch.pageY;
});
