how to call the loaddata() method under script

<script type="text/javascript">
var x = 0;
var y = 0;
var map;
function initialize() {

x = document.getElementById("HiddenField1").value;

y = document.getElementById("HiddenField2").value;

var myLatlng = new google.maps.LatLng(x, y);
var mapOptions = {
zoom: 4,
center: myLatlng
}

map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);

var marker = new google.maps.Marker({
position: myLatlng,
map: map,

title: 'Hello World!'
});
var ge = setInterval(gocode, 200);

}

google.maps.event.addDomListener(window, 'load', initialize);
</script>
<script type="text/javascript">
function gocode() {

 ******* i want  call that  loaddata()  here  *********************** how it is possible 

var myLatlng = new google.maps.LatLng(x, y);
var marker = new google.maps.Marker({
position: myLatlng,
map: map,

title: 'Hello World!'
});

}
</script>
</head>

*************************************************************************************************************************************************8

private void loaddata()

{
try
{
OleDbConnection con = new OleDbConnection(cs);
con.Open();
OleDbCommand cmd = new OleDbCommand("SELECT Latitude,Longitude FROM googlemap ", con);
//OleDbDataReader dr = cmd.ExecuteReader();
OleDbDataAdapter da = new OleDbDataAdapter(cmd);

DataTable dt = new DataTable();
da.Fill(dt);

HiddenField1.Value = dt.Rows[rno][0].ToString();
HiddenField2.Value = dt.Rows[rno][1].ToString();
rno++;
}
catch (Exception ex)
{
Page.Controls.Add(new LiteralControl("<script>alert('Record(s) not found ');</script>"));
// Page.ClientScript.RegisterStartupScript(Page.GetType(), "K1", "alert('" + ex.Message + "')", true);

}

}