JavaScript - Help Google Maps Api Code

function usePointFromPostcode(postcode, callbackFunction) {
  
  localSearch.setSearchCompleteCallback(null, 
    function() {
      
      if (localSearch.results[0]) {    
        var resultLat = localSearch.results[0].lat;
        var resultLng = localSearch.results[0].lng;
        var point = new GLatLng(resultLat,resultLng);
        callbackFunction(point);
      }else{
        alert("Postcode not found!");
      }
    });  
    
  localSearch.execute(postcode + ", UK");
}

</script> 
<script src="//maps.google.com/maps?file=api&amp;v=2&amp;key=AIzaSyD4iE2xVSpkLLOXoyqT-RuPwURN3ddScAI"
            type="text/javascript"></script>
            
<script type="text/javascript">
    
    function initialize() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng(<?php echo $c_row['location_longitude']; ?>,<?php echo $c_row['location_latitude']; ?>), 13);
 // Add the latitude/longitude marker to the map
	var point = new GLatLng(<?php echo $c_row['location_longitude']; ?>,<?php echo $c_row['location_latitude']; ?>);
	map.addOverlay(new GMarker(point));
	map.setUIToDefault();
      }
    }

    </script>

<b>Map:<br><br><div id="map_canvas" style="width: 500px; height: 300px; z-index:4000;border-width:medium;border-color:#030;"></div></b>

function initialize(){
	
    var geocoder = new google.maps.Geocoder(); // creating a new geocode object
    var locCood = findcood('44106', geocoder);
}

function findcood(addr, geocoder)
{
	var cood;
	if (geocoder) {
		
		geocoder.geocode({'address': addr}, function(results, status, cood){
			if (status == google.maps.GeocoderStatus.OK) 
				cood = results[0].geometry.location;
			
			else { 
                                cood = null;
				alert("Geocode was not successful for the following reason: " + status);

                               }
				
		});
		
	}
	else
	{
		alert("No Geocode");
		cood = null;
	}
	alert(cood);
	return cood;
	

}

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">

/**
 * Data for the markers consisting of a name, a LatLng and a zIndex for
 * the order in which these markers should display on top of each
 * other.
 */
var MarkersArray = [
  ['Oceans Eleven Casino', 33.199931,-117.368917, 4, '<div id="">Oceans Eleven Casino - text</div>', 'images/search.chips.small.png'],
  ['Pala Casino & Resort', 33.359418,-117.10583, 5, '<div id="content">Pala Casino & Resort - text</div>', 'images/search.chips.png'],
  ['Casino Pauma', 33.333271,-116.990626, 3, '<div id="content">Casino Pauma - text</div>', 'images/search.chips.small.png'],
  ['Lucky Lady Casino', 32.75844,-117.075513, 2, '<div id="content">Lucky Lady Casino - text</div>', 'images/search.chips.small.png'],
  ['Palomar Club', 32.75542,-117.13433, 1, 'Palomar Club - text', 'images/search.chips.png']
];


function setMarkers(map, locations) {
  // Add markers to the map
  for (var i = 0; i < locations.length; i++) {

    var MarkersArray = locations[i];
  // Marker sizes are expressed as a Size of X,Y
  var image = new google.maps.MarkerImage(MarkersArray[5],
      // This marker is 20 pixels wide by 32 pixels tall.
      new google.maps.Size(60, 50),
      // The origin for this image is 0,0.
      new google.maps.Point(0,0),
      // The anchor for this image is the base of the flagpole at 0,32.
      new google.maps.Point(0, 33));
  var shadow = new google.maps.MarkerImage(MarkersArray[5],
      // The shadow image is larger in the horizontal dimension
      // while the position and offset are the same as for the main image.
      new google.maps.Size(75, 60),
      new google.maps.Point(0,0),
      new google.maps.Point(0, 33));
      // Shapes define the clickable region of the icon.
  var shape = {
      coord: [0,0,1,54,59,54,59,0],
      type: 'poly'
  };
	
    var infowindow = new google.maps.InfoWindow({content: MarkersArray[4]});
			
	
    var myLatLng = new google.maps.LatLng(MarkersArray[1], MarkersArray[2]);
    var marker = new google.maps.Marker({position: myLatLng,map: map,shadow: shadow,icon: image,shape: shape,title: MarkersArray[0],zIndex: MarkersArray[3]});
  }
  	new google.maps.event.addListener(marker, 'click', function() {infowindow.open(map,marker);});
}



function initialize() {
  var myOptions = {
    zoom: 10,
    center: new google.maps.LatLng(32.75542,-117.13433),
    mapTypeId: google.maps.MapTypeId.ROADMAP
  }
  var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

  setMarkers(map, MarkersArray);
}
</script>

<!!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
  html { height: 100% }
  body { height: 80%; width: 80%; margin: 0px; padding: 0px }
  #map_canvas { height: 80% }
</style>
<script type="text/javascript"
    src="http://maps.google.com/maps/api/js?sensor=true">
</script>
<script type="text/javascript">
  function initialize() {
    var myOptions = {
      zoom: 4,
      center: new google.maps.LatLng(40.8068620, -96.6816790),
      mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    var map = new google.maps.Map(document.getElementById("map_canvas"),
        myOptions);
  }
google.maps.event.addDomListener(window, 'load', initialize);

    var bounds = new GLatLngBounds();
	for (var i = 0; i < markers.length; i++) {
		var company = markers[i].getAttribute('company');
		var street = markers[i].getAttribute{'street');
		var city = markers[i].getAttribute{'city'}'
		var state = markers[i].getAttribute{'state');
		var zip = markers[i].getAttribute{'zip');
		var point = new GLatLng(parseFloat{markers[i].getAttribute{'lat')),
								parseFloat(markers[i].getAttribute('lng')));
								
		var marker = createMarker(point, company, street, city, state, zip,
		map.addOverlay(marker);
		

  function createMarker(point, company, street, city, state, zip) {
	var marker = new GMarker(point);
	var html;
	GEvent.addlistener(marker, 'click', function() {
	marker.openInfoWindowHtml(html);
	});
	return marker;
	}

</script>
</head>
<body>
  <div id="map_canvas"></div>
</body>
</html>

<?xml version="1.0" encoding="UTF-8"?>
<rp>
<partner company="nameofcompany1" short="name1" street="123 fake street" city="New York" state="New York" zip="12345" lat="52.45545612" lng="-0.52664" />
<partner company="nameofcompany2" short=name2" street="231 notreal street" city="Chicago" state="IL" zip="23456" lat="55.45646" lng="-0.895423" />
</rp>

    //<![CDATA[  
    var iconPink = new GIcon(); 
    iconPink.image = 'http://www.golfinggreys.com/img/ggmap_icon_attraction.png';
    iconPink.shadow = '';
    iconPink.iconSize = new GSize(24, 31);
    iconPink.shadowSize = new GSize(0, 0);
    iconPink.iconAnchor = new GPoint(11, 30);
    iconPink.infoWindowAnchor = new GPoint(5, 1);

    var iconOrange = new GIcon(); 
    iconOrange.image = 'http://www.golfinggreys.com/img/ggmap_icon_accomm.png';
    iconOrange.shadow = '';
    iconOrange.iconSize = new GSize(24, 31);
    iconOrange.shadowSize = new GSize(0, 0);
    iconOrange.iconAnchor = new GPoint(11, 30);
    iconOrange.infoWindowAnchor = new GPoint(5, 1);

    var iconPurple = new GIcon(); 
    iconPurple.image = 'http://www.golfinggreys.com/img/ggmap_icon_dining.png';
    iconPurple.shadow = '';
    iconPurple.iconSize = new GSize(24, 31);
    iconPurple.shadowSize = new GSize(0, 0);
    iconPurple.iconAnchor = new GPoint(11, 30);
    iconPurple.infoWindowAnchor = new GPoint(5, 1);

    var iconGreen = new GIcon(); 
    iconGreen.image = 'http://www.golfinggreys.com/img/ggmap_icon_golf.png';
    iconGreen.shadow = '';
    iconGreen.iconSize = new GSize(24, 31);
    iconGreen.shadowSize = new GSize(0, 0);
    iconGreen.iconAnchor = new GPoint(11, 30);
    iconGreen.infoWindowAnchor = new GPoint(5, 1);

    var iconRed = new GIcon(); 
    iconRed.image = 'http://www.golfinggreys.com/img/ggmap_icon_golfr.png';
    iconRed.shadow = '';
    iconRed.iconSize = new GSize(24, 31);
    iconRed.shadowSize = new GSize(0, 0);
    iconRed.iconAnchor = new GPoint(11, 30);
    iconRed.infoWindowAnchor = new GPoint(5, 1);

    var iconGrey = new GIcon(); 
    iconGrey.image = 'http://www.golfinggreys.com/img/ggmap_icon_services.png';
    iconGrey.shadow = '';
    iconGrey.iconSize = new GSize(24, 31);
    iconGrey.shadowSize = new GSize(0, 0);
    iconGrey.iconAnchor = new GPoint(11, 30);
    iconGrey.infoWindowAnchor = new GPoint(5, 1);

    var iconBlue = new GIcon(); 
    iconBlue.image = 'http://www.golfinggreys.com/img/ggmap_icon_shopping.png';
    iconBlue.shadow = '';
    iconBlue.iconSize = new GSize(24, 31);
    iconBlue.shadowSize = new GSize(0, 0);
    iconBlue.iconAnchor = new GPoint(11, 30);
    iconBlue.infoWindowAnchor = new GPoint(5, 1);

    var customIcons = [];
    customIcons["attraction"] = iconPink;
    customIcons["accomm"] = iconOrange;
    customIcons["dining"] = iconPurple;
    customIcons["golf"] = iconGreen;
    customIcons["golfr"] = iconRed;
    customIcons["services"] = iconGrey;
    customIcons["shopping"] = iconBlue;
    var markerGroups = { "attraction": [], "accomm": [], "dining": [], "golf": [], "golfr": [], "services": [], "shopping": []};

	function load() {
		if (GBrowserIsCompatible()) {
		
		  var i = 0;
	
		  // Create the map
		  // Make sure this element has the same ID as your div
		  map = new GMap2(document.getElementById("googlemap"));
		  // Add controls for moving and zooming the map.  Use GSmallMapControl for small maps
          map.addControl(new GSmallMapControl());
		  // Add controls for switching between regular and satellite views
		  map.addControl(new GMapTypeControl());
		  // Set the starting position and zoom level when the map loads
		  map.setCenter(new GLatLng(51.920556,-103.798828), 7);
	
	
		  // Read the data from XML
		  var request = GXmlHttp.create();
		  // Open the XML file
		  request.open("GET", "east_central.xml", true);
		  request.onreadystatechange = function() {
			if (request.readyState == 4) {
			  var xmlDoc = request.responseXML;
			  // Obtain the array of markers and loop through it
			  var markers = xmlDoc.documentElement.getElementsByTagName("marker");
			  
			  for (var i = 0; i < markers.length; i++) {
				// Obtain the attribues of each marker
				var lat = parseFloat(markers[i].getAttribute("lat"));
				var lng = parseFloat(markers[i].getAttribute("lng"));
				var point = new GLatLng(lat,lng);
				var name = markers[i].getAttribute("name");
				var phone = markers[i].getAttribute("phone");
				var address = markers[i].getAttribute("address");
				var city = markers[i].getAttribute("city");
				var state = markers[i].getAttribute("state");
				var url = markers[i].getAttribute("url");
                var type = markers[i].getAttribute("type");
				var marker = createMarker(point,name,phone,address,city,state,url,type);
				map.addOverlay(marker);
			  }
			}
		  }
		  request.send(null);
		  
		  // Function to create the marker and set up the event window
		  function createMarker(point,name,phone,address,city,state,url,type) {
          var marker = new GMarker(point, customIcons[type]);
          markerGroups[type].push(marker);
			var markerhtml = "";
			if (name != "") markerhtml += "<b>" + name + "</b><br>";
			markerhtml += address + ", " + city + ", " + state + "<br>";
			if (phone != "") markerhtml += "p:" + phone + "<br>";
			if (url != "") markerhtml += "<a href=\"" + url + "\">COURSE DETAILS</a>";
			// Add a click event to each marker which will open the HTML window
			GEvent.addListener(marker, "click", function() {
			  marker.openInfoWindowHtml(markerhtml);
			});
			i++;
			return marker;
		  }
		}
		// Javascript alert for older browsers where Google Maps isn't supported
		else {
		  alert("Sorry, the Google Maps API is not compatible with this browser");
		}
	}
    //]]>

    function toggleGroup(type) {
      for (var i = 0; i < markerGroups[type].length; i++) {
        var marker = markerGroups[type][i];
        if (marker.isHidden()) {
          marker.show();
        } else {
          marker.hide();
        }

script src="http://maps.google.com/maps?file=api&amp;v=2.x&amp;key=ABQIAAAAzr2EBOXUKnm_jVnk0OJI7xSosDVG8KKPE1-m51RBrvYughuyMxQ-i1QfUnH94QxWIa6N4U6MouMmBA" type="text/javascript"></script> 
    <script type="text/javascript"> 
 
    var map = null;
    var geocoder = null;
 
    function initialize() {
      if (GBrowserIsCompatible()) {
        map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng(37.4419, -122.1419), 13);
        geocoder = new GClientGeocoder();
      }
    }
 
    function showAddress(address) {
      if (geocoder) {
        geocoder.getLatLng(
          address,
          function(point) {
            if (!point) {
              alert(address + " not found");
            } else {
              map.setCenter(point, 13);
              var marker = new GMarker(point);
              map.addOverlay(marker);
              marker.openInfoWindowHtml(address);
            }
          }
        );
      }
    }
    </script> 
  </head> 
 
  <body onload="initialize()" onunload="GUnload()"> 
    <form action="#" onsubmit="showAddress(this.address.value); return false"> 
      <p> 
        <input type="text" size="60" name="address" value="1600 Amphitheatre Pky, Mountain View, CA" /> 
        <input type="submit" value="Go!" /> 
      </p> 
      <div id="map_canvas" style="width: 500px; height: 300px"></div> 
    </form> 
  </body>

google.maps.event.addListener(markers[indx], 'click', function() {
    this.setIcon("/images/greenmarker.png");
});

<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> 
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/> 
<title></title>
<style>
#map_canvas {height: 500px; width:800px;}
</style>

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> 
<script type="text/javascript"> 
  function initialize() {
    var map = new google.maps.Map(document.getElementById("map_canvas"), {
      mapTypeId: google.maps.MapTypeId.ROADMAP,
      streetViewControl: true
    });
	
var markers = [
	
{ lat: 49.202612, lng: -122.879612, name: 'McDonalds', marker: 'default' }];

// Create the markers
for (index in markers) addMarker(markers[index]);
   function addMarker(data) {
   var marker = new google.maps.Marker({
   position: new google.maps.LatLng(data.lat, data.lng),
   map: map,
   title: data.name
   });
   }


   var bounds = new google.maps.LatLngBounds();
   for (index in markers) {
   var data = markers[index];
   bounds.extend(new google.maps.LatLng(data.lat, data.lng));
   }
   map.fitBounds(bounds);
}
</script> 
</head>

<body onload="initialize()"> 
	
<div id="map_canvas"></div>

Streetview Latitude: <input type="text" name="latitude" value="?"><br>
Streetview Longitude: <input type="text" name="longitude" value="?">

</body>
</html>

function show_position(p)
{
	document.getElementById('current').innerHTML="latitude="+p.coords.latitude.toFixed(2)+" longitude="+p.coords.longitude.toFixed(2);
	var pos=new google.maps.LatLng(p.coords.latitude,p.coords.longitude);
	map.setCenter(pos);
	map.setZoom(14);

	var infowindow = new google.maps.InfoWindow({
	    content: "<strong>yes</strong>"
	});

	var marker = new google.maps.Marker({
	    position: pos,
	    map: map,
	    title:"You are here"
	});

	google.maps.event.addListener(marker, 'click', function() {
	  infowindow.open(map,marker);
	});
	
}
</script >