To perform onmouseover event of div element

$("#divId").mouseover(function () {
     eval($(this).find('a').attr('href').click(function () { 
     }));
});

$("#divId").mouseover(function () {
     $(this).find('a').click(function () {
     });
});

<div id="codeDiv">
    <a onmouseover="Javascript:fnShow();" href="#">Come Here</a>
</div>

<script language="javascript" type="text/javascript">
function fnShow() {
            alert("Hi, How are you.?");
        }
</script>