Code for google map - asp.net

1.jscript on top master page

<script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key=abcdefg&sensor=true_or_false"
        type="text/javascript"></script>

    <script type="text/javascript">

    function initialize() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng("<%=_latitude%>","<%=_longtitude%>"), 13);
        map.setUIToDefault();
      }
    }


    </script>

2.jscript on bottom master page

<script language="javascript" type="text/javascript">

GUnload();

initialize();  

</script>

3.delaring div in master page html source

<div id="map_canvas" style="width: 293px; height: 226px">

                                        </div>

function before page load im master page code page

public decimal _latitude, _longtitude;

  

function in page load of master page

 _latitude = Convert.ToDecimal(9.583333);

        _longtitude = Convert.ToDecimal(76.516667);