Help with scrolling_2

Hello!
Please help me. I need to call function avia_smoothscroll from my JS script. For example:

<div id="myconteiner1">....</div>
<div id="myconteiner2">....</div>
<script>
document.getElementById("myconteiner2").addEventListener("mouseover", scrollwhenhover("myconteiner1"));
function scrollwhenhover(contid) {
???????????????????????????????- // i need to smooth scroll for conteiner #myconteiner1 when user hover #myconteiner2;
};
</script>

thanks in advance!