Google Maps API

// Check to see if this browser can run the Google API
if (GBrowserIsCompatible()) {
 
var map;
 
  var gmarkers = [];
  var htmls = [];
  var to_htmls = [];
  var from_htmls = [];
  var i=0;
 
  // A function to create the marker and set up the event window
  function createMarker(point,name,html) {
    var marker = new GMarker(point);
 
    // The info window version with the "to here" form open
    to_htmls[i] = html + '<br>Directions: <b>To here</b> - <a href="javascript:fromhere(' + i + ')">From here</a>' +
       '<br>Start address:<form action="http://maps.google.com/es" method="get" target="_blank">' +
       '<input type="text" SIZE=20 MAXLENGTH=60 name="saddr" id="saddr" value="" />' +
       '<INPUT value="GO" TYPE="SUBMIT">' +
       '<input type="hidden" name="daddr" value="' + name + '" /><br>'; 
    // The info window version with the "to here" form open
    from_htmls[i] = html + '<br>Directions: <a href="javascript:tohere(' + i + ')">To here</a> - <b>From here</b>' +
       '<br>End address:<form action="http://maps.google.es/maps" method="get"" target="_blank">' +
       '<input type="text" SIZE=20 MAXLENGTH=60 name="daddr" id="daddr" value="" />' +
       '<INPUT value="Get Directions" TYPE="SUBMIT">' +
       '<input type="hidden" name="saddr" value="' + name + '" /><br>'; 
    // The inactive version of the direction info
    html = html + '<br>Directions: <a href="javascript:tohere('+i+')">To here</a> - <a href="javascript:fromhere('+i+')">From here</a>';
 
    GEvent.addListener(marker, "click", function() {
      marker.openInfoWindowHtml(html);
    });
    gmarkers[i] = marker;
    htmls[i] = html;
    i++;
    return marker;
  }
 
  // functions that open the directions forms
function tohere(i) {
	gmarkers[i].openInfoWindowHtml(to_htmls[i]);
}
function fromhere(i) {
	gmarkers[i].openInfoWindowHtml(from_htmls[i]);
}
 
 
function initGMap() {
	// Display the map, with some controls and set the initial location 
	map = new GMap2(document.getElementById("gmap"));
	map.addControl(new GLargeMapControl());
	map.addControl(new GMapTypeControl(1));
 
	var MyPoint = new GLatLng( 41.6648, -91.3095);
	map.setCenter(MyPoint, 6);
 
	var marker = createMarker(MyPoint,'1951 Delta Ave, West Branch, IA','1951 Delta Ave<br l>West Branch, IA 52358');
	map.addOverlay(marker);
 
 
  }
 
	$(initGMap);
 
 
}
 
 
else {
  //alert("Sorry, the Google Maps API is not compatible with this browser");
}
 
// This Javascript is based on code provided by the
// Blackpool Community Church Javascript Team
// http://www.commchurch.freeserve.co.uk/   
// http://www.econym.demon.co.uk/googlemaps/
 
$(document).onunload = GUnload;