var map = null;
var localSearch = new GlocalSearch();

var icon = new GIcon();
//icon.image = "http://www.google.com/mapfiles/marker.png";
//icon.shadow = "http://www.google.com/mapfiles/shadow50.png";
icon.image = "http://www.silvercross.co.uk/images/static/logo_gmap.gif";
//icon.shadow = "http://192.168.0.123/silvercross/images/shadow-marker.png";
icon.iconSize = new GSize(100.0, 28.0);
icon.shadowSize = new GSize(100.0, 28.0);
icon.iconAnchor = new GPoint(17.0, 23.0);
icon.infoWindowAnchor = new GPoint(17.0, 23.0);

var mapShowFlag = Array();

function seeMap(mapNo) {
	if(mapShowFlag[mapNo] == true) {
		document.getElementById('resultDiv_'+mapNo).className = 'resultDiv';
		mapShowFlag[mapNo] = false;
	} 
	else {
		document.getElementById('resultDiv_'+mapNo).className = 'resultDiv mapOpen';
		mapShowFlag[mapNo] = true;
	}
}

function usePointFromPostcode(address, postcode, callbackFunction, mapNo) {
	if (GBrowserIsCompatible()) {
	
		map = new GMap2(document.getElementById('map_'+mapNo));
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());
		
		//addLoadEvent(mapLoad);
		//addUnLoadEvent(GUnload);
		
		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,address,mapNo);
				} else{
					alert(address+" not found!");
				}
			});	
		localSearch.execute(postcode + ", UK");
	}
}

// Callback function
function setCenterToPoint(point,address,mapNo)
{
	map.setCenter(point, 17);
	placeMarkerAtPoint(point,address);
	//document.getElementById('result_'+mapNo).innerHTML = '';
}

function placeMarkerAtPoint(point,address)
{
	var marker = new GMarker(point,icon);
	map.addOverlay(marker);
	var WINDOW_HTML = '<div style="font-family:arial; font-size:13px; width: 210px; padding-right: 10px">'+address+'<\/div>';
	GEvent.addListener(marker, "click", function() {
        marker.openInfoWindowHtml(WINDOW_HTML);
      });
      marker.openInfoWindowHtml(WINDOW_HTML);
      
       //GEvent.addListener(marker, "click", function() {    
       //	marker.openInfoWindowHtml("Marker <b>" + letter + "</b>");  });
}

function printMap(address) 
{
	//var address = document.getElementById('address').value;
	window.open('http://maps.google.co.uk/maps?f=q&hl=en&&ie=UTF8&z=16&iwloc=addr&om=1&pw=2&q='+address+'');
}

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

// Callback function
function showDistance(your_address_point) {
	var marker = new GMarker(point);
	var marker2 = new GMarker(your_address_point);
	var distance = marker.getPoint().distanceFrom(marker2.getPoint())/1000;
	distance = distance * 0.621371192;
	if (distance.toFixed) {
		distance = distance.toFixed(1);
	}
	//document.getElementById('result').innerHTML = 'Distance is: <b>'+distance+' </b>miles';
}

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

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();
	  }
	}
}