var map;
var avLat; var avLng; var sumP; var cnt=0; var rightcnt=0;

var icon = new GIcon();
icon.image = "http://www.google.com/mapfiles/marker.png";
icon.shadow = "http://www.google.com/mapfiles/shadow50.png";
icon.iconSize = new GSize(20, 34);
icon.shadowSize = new GSize(37, 34);
icon.iconAnchor = new GPoint(10, 34);


function usePointFromPostcode(postcode, callbackFunction, infoText, zoomL) {
var localSearch = new GlocalSearch();
	//alert(postcode+" "+name);
	//alert(name);
	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);
																point.infoText=infoText;
																avLat+=parseFloat(resultLat);
																avLng+=parseFloat(resultLng);
																var point1 = new GLatLng(parseFloat(resultLat),parseFloat(resultLng));
																if (parent.document.location.href.indexOf("Tara")>-1)
																point1 = new GLatLng(parseFloat("49.466305"),parseFloat("18.484082"));										
																map.setCenter(point1, zoomL);
																callbackFunction(point1, name);
															}
														});	
	localSearch.execute(postcode + ", UK");
}

function placeMarkerAtPoint(point, name)
{
	marker = new GMarker(point,icon);
	var infotext = point.infoText;
	map.addOverlay(marker);
    GEvent.addListener(marker, "click", function() {
	map.openInfoWindowHtml(point, infotext);})
}

function setCenterToPoint(point, level)
{
	map.setCenter(point, level);
}

function showPointLatLng(point)
{
	alert("Latitude: " + point.lat() + "\nLongitude: " + point.lng());
}

function putpostcodes() {
		usePointFromPostcode(
			parent.document.getElementById("cottagepostcode").value, 
			placeMarkerAtPoint,
			parent.document.getElementById("cottagename").value,
			10);
}

function mapLoad() {
	if (GBrowserIsCompatible() && document.getElementById("map")) {
		map = new GMap2(document.getElementById("map"));
		map.addControl(new GSmallMapControl());
		map.addControl(new GMapTypeControl());
		map.setCenter(new GLatLng(54.622978,-2.592773), 5, G_NORMAL_MAP);
		putpostcodes();
	}
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function addUnLoadEvent(func) {
	var oldonunload = window.onunload;
	if (typeof window.onunload != 'function') {
	  window.onunload = func;
	} else {
	  window.onunload = function() {
	    oldonunload();
	    func();
	  }
	}
}
addLoadEvent(mapLoad);
addUnLoadEvent(GUnload);