function afterrender(sender, eOpts)
{
var me = sender;
me.el.dom.addEventListener('scroll', function(event) {
var element = event.target;
if (element.scrollTop === 0) {
ajaxRequest(me, 'scrolledToTop', []);
} else
{
var H1 = Math.round(element.scrollHeight-element.scrollTop);
var H2 = Math.round(element.clientHeight);
var H3 = H1-H2;
if (H3===0) {
ajaxRequest(me, 'scrolledToBottom',
{'scrollTop': element.scrollTop,
'scrollHeight': element.scrollHeight,
'clientHeight': element.clientHeight,
'H1': H1,
'H2': H2,
'H-T': H1-H2
});
}
}
})
}
work!