var centreLat=0.0;
    var centreLon=0.0;
    var initialZoom=1;
    var imageWraps=false; //SET THIS TO false TO PREVENT THE IMAGE WRAPPING AROUND
    var map; //the GMap2 itself

/////////////////////
//Custom projection
/////////////////////
    function CustomProjection(a,b){
	this.imageDimension=65536;
	this.pixelsPerLonDegree=[];
	this.pixelOrigin=[];
	this.tileBounds=[];
	this.tileSize=256;
        this.isWrapped=b;
	var b=this.tileSize;
	var c=1;
	for(var d=0;d<a;d++){
          var e=b/2;
          this.pixelsPerLonDegree.push(b/360);
          this.pixelOrigin.push(new GPoint(e,e));
          this.tileBounds.push(c);
          b*=2;
          c*=2
        }
    }
 
    CustomProjection.prototype=new GProjection();
  
    CustomProjection.prototype.fromLatLngToPixel=function(latlng,zoom){
        var c=Math.round(this.pixelOrigin[zoom].x+latlng.lng()*this.pixelsPerLonDegree[zoom]);
        var d=Math.round(this.pixelOrigin[zoom].y+(-2*latlng.lat())*this.pixelsPerLonDegree[zoom]);
        return new GPoint(c,d)
    };

    CustomProjection.prototype.fromPixelToLatLng=function(pixel,zoom,unbounded){
        var d=(pixel.x-this.pixelOrigin[zoom].x)/this.pixelsPerLonDegree[zoom];
        var e=-0.5*(pixel.y-this.pixelOrigin[zoom].y)/this.pixelsPerLonDegree[zoom];
        return new GLatLng(e,d,unbounded)
    };

    CustomProjection.prototype.tileCheckRange=function(tile,zoom,tilesize){
        var tileBounds=this.tileBounds[zoom];
	if (tile.y<0 || tile.y >= tileBounds) {return false;}
        if (this.isWrapped) {
		if (tile.x<0 || tile.x>=tileBounds) { 
			tile.x = tile.x%tileBounds; 
			if (tile.x < 0) {tile.x+=tileBounds} 
		}
	}
	else { 
        	if (tile.x<0 || tile.x>=tileBounds) {return false;}
	}  
  	return true;
    }
      
    CustomProjection.prototype.getWrapWidth=function(zoom) {
        return this.tileBounds[zoom]*this.tileSize;
    }
////////////////////////////////////////////////////////////////////////////


    function customGetTileURL(a,b) {
      //converts tile x,y into keyhole string

      var c=Math.pow(2,b);

        var d=a.x;
        var e=a.y;
        var f="t";
        for(var g=0;g<b;g++){
            c=c/2;
            if(e<c){
                if(d<c){f+="q"}
                else{f+="r";d-=c}
            }
            else{
                if(d<c){f+="t";e-=c}
                else{f+="s";d-=c;e-=c}
            }
        }
        return "worldmap/white/"+f+".jpg"
    }


    function getWindowHeight() {
        if (window.self&&self.innerHeight) {
            return self.innerHeight;
        }
        if (document.documentElement&&document.documentElement.clientHeight) {
            return document.documentElement.clientHeight;
        }
        return 0;
    }

    function resizeMapDiv() {
        //Resize the height of the div containing the map.
        //Do not call any map methods here as the resize is called before the map is created.
    	var d=document.getElementById("map");
        var offsetTop=0;
        for (var elem=d; elem!=null; elem=elem.offsetParent) {
            offsetTop+=elem.offsetTop;
        }
        var height=getWindowHeight()-offsetTop-16;
        if (height>=0) {
            d.style.height=height+"px";
        }
    }


    function load() {
      if (GBrowserIsCompatible()) {
        //resizeMapDiv();
        var copyright = new GCopyright(1,
                              new GLatLngBounds(new GLatLng(-90, -180),
                                                new GLatLng(90, 180)),
                              0,
                              "<a href=\"http://www.casa.ucl.ac.uk\">CASA</a>");
        var copyrightCollection = new GCopyrightCollection("GMapImgCutter");
        copyrightCollection.addCopyright(copyright);

        //create a custom picture layer
        var pic_tileLayers = [ new GTileLayer(copyrightCollection , 0, 17)];
        pic_tileLayers[0].getTileUrl = customGetTileURL;
        pic_tileLayers[0].isPng = function() { return false; };
        pic_tileLayers[0].getOpacity = function() { return 1.0; };
        var proj=new CustomProjection(4,imageWraps);
        var pic_customMap = new GMapType(pic_tileLayers, proj, "Pic",
            {maxResolution:3, minResolution:1, errorMessage:"Data not available"});


        //Now create the custom map. Would normally be G_NORMAL_MAP,G_SATELLITE_MAP,G_HYBRID_MAP
//        map = new GMap2(document.getElementById("map"),{backgroundColor: "white", mapTypes:[pic_customMap]});
        map = new GMap2(document.getElementById("map"),{backgroundColor: "transparent", mapTypes:[pic_customMap]});
		controlPos1 = new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(-10,-60));
		controlPos2 = new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(0,0));
		controls1 = new GLargeMapControl3D();
        controls = map.addControl(controls1, controlPos1);
//        map.addControl(new GMapTypeControl());
//		controls = map.addControl(new GSmallZoomControl3D);
// GOverviewMapControl is the thumbnail map
//	map.addControl(new GOverviewMapControl());
        map.enableDoubleClickZoom();
	map.enableContinuousZoom();
	map.enableScrollWheelZoom();
	map.disableDragging();
    map.setCenter(new GLatLng(centreLat, centreLon), initialZoom, pic_customMap);
	//alert(map.getBounds());



zoomListener =  GEvent.addListener(map,"zoomend",function(oldLevel, newLevel) {
//alert(newLevel);
	if (newLevel > 1) {
		map.enableDragging();
		map.removeControl(controls1);
		controls = map.addControl(controls1, controlPos2);	
	} else {
		map.disableDragging();
		map.setCenter(new GLatLng(centreLat, centreLon));
		map.removeControl(controls1);
		controls = map.addControl(controls1, controlPos1);
	}


// Add a move listener to restrict the bounds range
moveListener = GEvent.addListener(map, "move", function() {
	checkBounds();
  });


      // The allowed region which the whole map must be within
      var allowedBounds = new GLatLngBounds(new GLatLng((-73.125/2.1),(-180/2.1)), new GLatLng((73.125/2.1),(180/2.1)));
      
      // If the map position is out of range, move it back
      function checkBounds() {
        // Perform the check and return if OK
        if (allowedBounds.contains(map.getCenter())) {
          return;
        }
        // It`s not OK, so find the nearest allowed point and move there
        var C = map.getCenter();
        var X = C.lng();
        var Y = C.lat();

        var AmaxX = allowedBounds.getNorthEast().lng();
        var AmaxY = allowedBounds.getNorthEast().lat();
        var AminX = allowedBounds.getSouthWest().lng();
        var AminY = allowedBounds.getSouthWest().lat();

        if (X < AminX) {X = AminX;}
        if (X > AmaxX) {X = AmaxX;}
        if (Y < AminY) {Y = AminY;}
        if (Y > AmaxY) {Y = AmaxY;}
        //alert ("Restricting "+Y+" "+X);
        map.setCenter(new GLatLng(Y,X));
      }
    


});


/* This allows the user to add points on click. Do not want for production.
lstner = GEvent.addListener(map, 'click', function(overlay, point){
   var pointA = new GPoint(point.x, point.y);
   var mark = new GMarker(pointA);
   map.addOverlay(mark);
   //map.centerAtLatLng(point);
   GEvent.addListener(mark, 'click', function(){
      mark.openInfoWindowHtml(point.y+"," + point.x);
      });
      mark.openInfoWindowHtml(point.y+"," + point.x);
   });*/

	var excalibur = new GIcon();
	excalibur.image = "excalibur/excalibur.png";
	excalibur.iconSize = new GSize(30,30);
	excalibur.shadow = "excalibur/excalibur_shadow.png";
	excalibur.shadowSize = new GSize(30,30);
	excalibur.iconAnchor = new GPoint(1,30);
	excalibur.infoWindowAnchor = new GPoint(15,15);
	excalibur.transparent = "excalibur/excalibur_transparent.png";
	excalibur.printImage = "excalibur/excalibur.gif";
	excalibur.mozPrintImage = "excalibur/excalibur_notrans.gif";
	excalibur.printShadow = "excalibur/excalibur_printshadow.gif";


/////////////////////////////////////////////////////////////////////////////////////
//Add any markers here e.g.
//      map.addOverlay(new GMarker(new GLatLng(x,y)));
/////////////////////////////////////////////////////////////////////////////////////\

	markers = [];

	markers[0] = new GMarker(new GLatLng(1.845703125,-5.625),excalibur);
	markers[1] = new GMarker(new GLatLng(-24.43359375,18.28125),excalibur);
	markers[2] = new GMarker(new GLatLng(-37.705078125,33.046875),excalibur);
	markers[3] = new GMarker(new GLatLng(4.21875,39.7265625),excalibur);
	markers[4] = new GMarker(new GLatLng(17.490234375,41.8359375),excalibur);
	markers[5] = new GMarker(new GLatLng(23.115234375,-43.76953125),excalibur);
	markers[6] = new GMarker(new GLatLng(-6.15234375,30.41015625),excalibur);
	markers[7] = new GMarker(new GLatLng(-42.1875,98.4375),excalibur);
	markers[8] = new GMarker(new GLatLng(27.685546875,24.9609375),excalibur);
	markers[9] = new GMarker(new GLatLng(-7.822265625,56.953125),excalibur);
	markers[10] = new GMarker(new GLatLng(-1.93359375,-32.16796875),excalibur);
	markers[11] = new GMarker(new GLatLng(15.1171875,75.234375),excalibur);
	markers[12] = new GMarker(new GLatLng(30.76171875,-80.15625),excalibur);
	markers[13] = new GMarker(new GLatLng(2.197265625,-90),excalibur);
	markers[14] = new GMarker(new GLatLng(4.306640625,110.56640625),excalibur);
	markers[15] = new GMarker(new GLatLng(12.12890625,-2.8125),excalibur);
	markers[16] = new GMarker(new GLatLng(-46.142578125,5.2734375),excalibur);
	markers[17] = new GMarker(new GLatLng(-37.96875,-68.203125),excalibur);
	markers[18] = new GMarker(new GLatLng(33.92578125,-4.921875),excalibur);
	markers[19] = new GMarker(new GLatLng(20.126953125,-130.60546875),excalibur);
	markers[20] = new GMarker(new GLatLng(16.083984375,-73.828125),excalibur);
	markers[21] = new GMarker(new GLatLng(23.115234375,1.58203125),excalibur);
	markers[22] = new GMarker(new GLatLng(-14.94140625,72.7734375),excalibur);
	markers[23] = new GMarker(new GLatLng(-35.244140625,9.31640625),excalibur);
	markers[24] = new GMarker(new GLatLng(5.44921875,-119.70703125),excalibur);
	markers[25] = new GMarker(new GLatLng(-16.083984375,-87.1875),excalibur);
	markers[26] = new GMarker(new GLatLng(39.90234375,70.3125),excalibur);
	markers[27] = new GMarker(new GLatLng(-7.470703125,-14.0625),excalibur);
	markers[28] = new GMarker(new GLatLng(-5.537109375,89.296875),excalibur);
	markers[29] = new GMarker(new GLatLng(36.474609375,-55.01953125),excalibur);
	markers[30] = new GMarker(new GLatLng(6.416015625,-55.01953125),excalibur);
	markers[31] = new GMarker(new GLatLng(-7.20703125,-114.609375),excalibur);
	markers[32] = new GMarker(new GLatLng(-48.955078125,44.296875),excalibur);
	markers[33] = new GMarker(new GLatLng(43.330078125,-21.26953125),excalibur);
	markers[34] = new GMarker(new GLatLng(45.615234375,-44.82421875),excalibur);
	markers[35] = new GMarker(new GLatLng(-19.423828125,0.17578125),excalibur);
	markers[36] = new GMarker(new GLatLng(15.8203125,115.83984375),excalibur);
	markers[37] = new GMarker(new GLatLng(22.32421875,-99.66796875),excalibur);
	markers[38] = new GMarker(new GLatLng(10.634765625,-26.71875),excalibur);
	markers[39] = new GMarker(new GLatLng(25.13671875,88.59375),excalibur);
	markers[40] = new GMarker(new GLatLng(-30.9375,-25.13671875),excalibur);
	markers[41] = new GMarker(new GLatLng(-4.39453125,11.77734375),excalibur);

	//alert(markers.length);

	for (var i = 0; i < markers.length ; i++ )
	{
		map.addOverlay(markers[i]);
	}

	$j("#locationName").appendTo(map.getPane(G_MAP_FLOAT_SHADOW_PANE));
	$j("#locationNameShadow").appendTo(map.getPane(G_MAP_FLOAT_SHADOW_PANE));


	singles = [];
	singlesIDs = [];
	clickListeners = [];
		singles[0] = "araguay";
	singlesIDs[0] = "080";
	singles[1] = "bariaushill";
	singlesIDs[1] = "084";
	singles[2] = "bariausvalley";
	singlesIDs[2] = "087";
	singles[3] = "bed";
	singlesIDs[3] = "082";
	singles[4] = "berveniacity";
	singlesIDs[4] = "044";
	singles[5] = "berveniavolcano";
	singlesIDs[5] = "075";
	singles[6] = "doguola";
	singlesIDs[6] = "086";
	singles[7] = "doldobar";
	singlesIDs[7] = "071";
	singles[8] = "finath";
	singlesIDs[8] = "088";
	singles[9] = "germinas";
	singlesIDs[9] = "090";
	singles[10] = "golgorand";
	singlesIDs[10] = "063";
	singles[11] = "grog";
	singlesIDs[11] = "081";
	singles[12] = "lenaliaplateau";
	singlesIDs[12] = "077";
	singles[13] = "mandalia";
	singlesIDs[13] = "085";
	singles[14] = "nelveska";
	singlesIDs[14] = "070";
	singles[15] = "poeskas";
	singlesIDs[15] = "089";
	singles[16] = "sweegy";
	singlesIDs[16] = "074";
	singles[17] = "thievesfort";
	singlesIDs[17] = "091";
	singles[18] = "yuguo";
	singlesIDs[18] = "079";
	singles[19] = "zeakden";
	singlesIDs[19] = "049";
	singles[20] = "zigolis";
	singlesIDs[20] = "078";
	singles[21] = "zirekile";
	singlesIDs[21] = "083";

	singlesJoin = "|" + singles.join("|") + "|"; 

	$j(markers).each(function(i,marker){
		GEvent.addListener(marker, "mouseover", function(){ displayPoint(marker, i); });
		//alert(singlesJoin.indexOf("|"+locations[i]+"|"));
		//alert(locations[i]);
		if (singlesJoin.indexOf("|"+locationsDiv[i]+"|") == -1) {
			clickListeners[i] = GEvent.addListener(marker, "click", function(){ show(i); });
		} else {
			$j(singles).each(function(l,single) { if (single == locationsDiv[i]) { clickListeners[i] = GEvent.addListener(marker, "click", function(){ location.href='http://www.cavesofnarshe.com/fft/maps/mapsingle.php?mapid='+singlesIDs[l]; }); } } );
		}
		GEvent.addListener(marker, "mouseout", function(){ hidePoint() });
	});

    function displayPoint(marker, i){
        var markerOffset = map.fromLatLngToDivPixel(marker.getPoint());
		$j("#locationName").html(locations[i]);
		$j("#locationNameShadow").html(locations[i]);
        $j("#locationName").show().css({ top:markerOffset.y, left:markerOffset.x });
		$j("#locationNameShadow").show().css({ top:markerOffset.y+2, left:markerOffset.x+2 });
    }
	function hidePoint(){
        $j("#locationName").hide();
		$j("#locationNameShadow").hide();
    }

      }
  }

	locations = [];
	locationsDiv = [];

		locations[0] = "Araguay Woods";
	locationsDiv[0] = "araguay";
	locations[1] = "Bariaus Hill";
	locationsDiv[1] = "bariaushill";
	locations[2] = "Bariaus Valley";
	locationsDiv[2] = "bariausvalley";
	locations[3] = "Bed Desert";
	locationsDiv[3] = "bed";
	locations[4] = "Bervenia Free City";
	locationsDiv[4] = "berveniacity";
	locations[5] = "Bervenia Volcano";
	locationsDiv[5] = "berveniavolcano";
	locations[6] = "Bethla Garrison";
	locationsDiv[6] = "bethla";
	locations[7] = "Deep Dungeon";
	locationsDiv[7] = "deepdungeon";
	locations[8] = "Doguola Pass";
	locationsDiv[8] = "doguola";
	locations[9] = "Doldobar Swamp";
	locationsDiv[9] = "doldobar";
	locations[10] = "Dorter Trade City";
	locationsDiv[10] = "dorter";
	locations[11] = "Finath River";
	locationsDiv[11] = "finath";
	locations[12] = "Fovoham Plains";
	locationsDiv[12] = "fovoham";
	locations[13] = "Gariland Magic City";
	locationsDiv[13] = "gariland";
	locations[14] = "Germinas Peak";
	locationsDiv[14] = "germinas";
	locations[15] = "Goland Coal City";
	locationsDiv[15] = "goland";
	locations[16] = "Golgorand Execution Site";
	locationsDiv[16] = "golgorand";
	locations[17] = "Goug Machine City";
	locationsDiv[17] = "goug";
	locations[18] = "Grog Hill";
	locationsDiv[18] = "grog";
	locations[19] = "Igros Castle";
	locationsDiv[19] = "igros";
	locations[20] = "Lenalia Plateau";
	locationsDiv[20] = "lenaliaplateau";
	locations[21] = "Lesalia Imperial Capital";
	locationsDiv[21] = "lesaliaimperial";
	locations[22] = "Limberry Castle";
	locationsDiv[22] = "limberry";
	locations[23] = "Lionel Castle";
	locationsDiv[23] = "lionel";
	locations[24] = "Mandalia Plains";
	locationsDiv[24] = "mandalia";
	locations[25] = "St. Murond Temple";
	locationsDiv[25] = "murond";
	locations[26] = "Nelveska Temple";
	locationsDiv[26] = "nelveska";
	locations[27] = "Orbonne Monastery";
	locationsDiv[27] = "orbonne";
	locations[28] = "Poeskas Lake";
	locationsDiv[28] = "poeskas";
	locations[29] = "Riovanes Castle";
	locationsDiv[29] = "riovanes";
	locations[30] = "Sweegy Woods";
	locationsDiv[30] = "sweegy";
	locations[31] = "Thieves' Fort";
	locationsDiv[31] = "thievesfort";
	locations[32] = "Warjilis Trade City";
	locationsDiv[32] = "warjilis";
	locations[33] = "Yardow Fort City";
	locationsDiv[33] = "yardow";
	locations[34] = "Yuguo Woods";
	locationsDiv[34] = "yuguo";
	locations[35] = "Zaland Fort City";
	locationsDiv[35] = "zaland";
	locations[36] = "Zarghidas Trade City";
	locationsDiv[36] = "zarghidas";
	locations[37] = "Fort Zeakden";
	locationsDiv[37] = "zeakden";
	locations[38] = "Zeklaus Desert";
	locationsDiv[38] = "zeklaus";
	locations[39] = "Zeltennia Castle";
	locationsDiv[39] = "zeltennia";
	locations[40] = "Zigolis Swamp";
	locationsDiv[40] = "zigolis";
	locations[41] = "Zirekile Falls";
	locationsDiv[41] = "zirekile";
	locations[42] = "Other Maps";
	locationsDiv[42] = "other";
	

	var last = null;
	function show(id) {
		var itm = "#"+locationsDiv[id];
		var itm = $j(itm);
		if (!itm) {
			// do nothing
		} else {
			$j(itm).show();
			if (last && last != itm) {
				$j(last).hide();
			}
			last = itm;
		}
	}

	function parseUrl() {
		if (document.URL) {
			var urlarray = document.URL.split("#");
			if (urlarray[1]) {
				var position = urlarray[1];
				show(position);
				location.hash = position;
			}
		}
	}

	/* global scoped var to use in the show maps function below */
	mapdivs = "hidden";

	function mapToggler() {
		dumpListeners();
		createListeners(mapdivs);
		adjustFloat(mapdivs);
		displayMapDivs(mapdivs);
		if (mapdivs == "hidden") {
			mapdivs = "visible";
		} else {
			mapdivs = "hidden";
		}
	}

	function dumpListeners(){
		$j(clickListeners).each(function() { GEvent.removeListener(this); });
	}

	function createListeners(status) {
		if (status=="hidden") {
			//we are making the divs all visible, so we set the listeners to be links to hashes.
			$j(markers).each(function(i,marker){
				clickListeners[i] = GEvent.addListener(marker, "click", function(){ var primaryURL = document.URL.split("#"); window.location = primaryURL[0] + "#" + locationsDiv[i] });
			});
		} else {
			//we are reverting back to the standard GMap click actions.
			$j(markers).each(function(i,marker){
				if (singlesJoin.indexOf("|"+locationsDiv[i]+"|") == -1) {
					clickListeners[i] = GEvent.addListener(marker, "click", function(){ show(i); });
				} else {
					$j(singles).each(function(l,single) { if (single == locationsDiv[i]) { clickListeners[i] = GEvent.addListener(marker, "click", function(){ location.href='http://www.cavesofnarshe.com/fft/maps/mapsingle.php?mapid='+singlesIDs[l]; }); } } );
				}
			});
		}
	}

	function adjustFloat(status) {
		if (status=="hidden") {
			//we are making the divs all visible, so we need to break the float.
			$j("#googleMap").css("float","none");
		} else {
			$j("#googleMap").css("float","left");
		}
	}

	function displayMapDivs(status) {
		if (status=="hidden") {
			//we are making the divs all visible, so we need to... make the divs all visible. idiot.
			$j(".metalocation").hide();
			$j(".metalocation").show();
		} else {
			$j(".metalocation").hide();
		}
	}