function loadMap(){
  if( GBrowserIsCompatible() ){
    map = new GMap2(document.getElementById("map"));
    map.addControl(new GSmallMapControl());
    showAddress(document.getElementById("maploc").value);
  }
}
function showAddress(address) {
  geocoder.getLatLng(
    address,
    function(point) {
      if (!point) {
        alert(address + " not found");
      } else {
        map.setCenter(point, 13);
        var marker = new GMarker(point);
        map.addOverlay(marker);
      }   
    }   
  );  
}
var geocoder;
var map;

$(document).ready(function(){
  geocoder = new GClientGeocoder();
  map = null;
  loadMap();
  $("body").unload(function(){
    GUnload();
  }); 
});