Javascript function call on page load and after posback in Update pannel

 <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
        <ContentTemplate>
            <script type="text/javascript">
  var prm = Sys.WebForms.PageRequestManager.getInstance();
                prm.add_pageLoaded(function (sender, args) {
function abc()
{
alert("pramod");
}

  });// after postback

//onloan
function abc()
{
alert("pramod");
}
</script>
</ContentTemplate>
 </asp:UpdatePanel>