var map;
function convertMap()
{
  var imageElement = $("static");
  var parameters = parseMapParameters(imageElement.src);
  var center = parameters.center.split(',');
  var longitude = parseFloat(center[0]);
  var latitude = parseFloat(center[1]);
  var zoom = parseInt(parameters.zoom);
  var size = parameters.size.split('x');
  var mapElement = $('dynamic')
  Element.setStyle(mapElement, {width: size[0]+"px", height: size[1]+"px"});
  Element.hide(imageElement);
  map = new GMap2(document.getElementById("dynamic"));
  map.setCenter(new GLatLng(longitude, latitude), zoom);
}
function parseMapParameters(staticMapSrc)
{
  var mapSettings = new Hash();
  var parametersString = staticMapSrc.split("?")[1];
  var parameters = parametersString.split("&");
  parameters.each(function(paramsPart) {
    var paramPair = paramsPart.split("=");
    mapSettings[paramPair[0]] = paramPair[1];
  });
  return mapSettings;
}
function loadGmapScriptWithCallback()
{
  var script = document.createElement("script");
  script.type = "text/javascript";
  var key = parseMapParameters($("static").src).key;
  script.src = "http://maps.google.com/maps?file=api&v=2.x&key="+key+"&async=2&callback=convertMap";
  document.body.appendChild(script);
}