if (GBrowserIsCompatible()) {
	var map = new GMap2(document.getElementById("mapCanvas") );
	map.setCenter(new GLatLng(-5.52, 35) ,5, G_HYBRID_MAP);
	map.addControl(new GLargeMapControl());
//	map.addControl(new GSmallMapControl());
	map.addControl(new CustomTypeControl());
	map.enableDragging() ;
	map.enableDoubleClickZoom() ;

	var icon = new GIcon();
	icon.image = "images/mapicons/o.png";
	icon.iconSize = new GSize(11, 11);
	icon.iconAnchor = new GPoint(5, 5);
	
	var icon2 = new GIcon();
	icon2.image = "images/mapicons/transparent.gif";
	icon2.iconSize = new GSize(16, 16);
	icon2.iconAnchor = new GPoint(8, 8);
	
	mapLeft = removePx(document.getElementById('mapCanvas').style.left) ;
	mapTop = removePx(document.getElementById('mapCanvas').style.top) ;
	mapWidth = removePx(document.getElementById('mapCanvas').style.width) ;
	mapHeight = removePx(document.getElementById('mapCanvas').style.height) ;
	if (browserType == "Mozilla" ) {
		mapLeft = mapLeft - 1 ;
		mapTop = mapTop - 1 ;
	}
	mapRight = mapLeft + mapWidth - 1 ;
	mapBottom = mapTop + mapHeight - 1 ;

	makeMouseDownPoint() ;

	// Polygoon tekenen
	var points = [];
	// Draw polygon on map
	GEvent.addListener(map, 'click', function(overlay, point) {
		if ( selectedMapTool == "maptoollasso" && mouseIsInInfoWindow != "yes") {
			if (overlay && points.length > 2) {
				points.push(points[0]);
				map.clearOverlays();
				map.addOverlay(new GPolyline(points, "#FFFF00", 2, 1));
				
				var thisPolygonGoogleMaps = "" ;
				var thisPolygonSQL = "" ;
				for (var i = 0 ; i < points.length; i ++) {
					if (i > 0) {
						thisPolygonGoogleMaps += "," ;
						thisPolygonSQL += "," ;
					}
					var thisLongitude = points[i].lng() ;
					var thisLatitude = points[i].lat() ;
					thisPolygonGoogleMaps += thisLatitude + " " + thisLongitude ;
					thisPolygonSQL += thisLongitude + " " + thisLatitude ;
				}
				showRectangleOrLassoSelection(thisPolygonGoogleMaps,thisPolygonSQL,"points","no") ;
				document.getElementById("storemapselectionresults").innerHTML = "" ;
				ajaxGetData('/inc/res.storemapseleection.php?points='+escape(thisPolygonSQL)+'&areaid=','storemapselectionresults');
				points = [] ;
			} else if (point) {
				numberOfPoints = points.length ;
				if (numberOfPoints == 0) {
					clearAll(false) ;
				} else if (numberOfPoints > 1) {
					var startPoint = map.fromContainerPixelToLatLng(points[0]) ;
					var endPoint = map.fromContainerPixelToLatLng(points[numberOfPoints-1]) ;
					if (startPoint.toString() == endPoint.toString() ) {
						clearAll(false) ;
					}
				} else {
					map.clearOverlays();
				}
				points.push(point);
				map.addOverlay(new GPolyline(points, "#FFFF00", 2, 1));
				map.addOverlay(new GMarker(points[0], icon));
			}
		} else {
			makeMouseDownPoint();
		}
	});
} else {
	alert("Sorry, the Google Maps API is not compatible with this browser");
}

var preload_maptool_1  = new Image ; preload_maptool_1.src =  "images/maptools/grab_hover.jpg" ;
var preload_maptool_2  = new Image ; preload_maptool_2.src =  "images/maptools/rectangle_hover.jpg" ;
var preload_maptool_3  = new Image ; preload_maptool_3.src =  "images/maptools/lasso_hover.jpg" ;
var preload_maptool_4  = new Image ; preload_maptool_4.src =  "images/maptools/grab_selected.jpg" ;
var preload_maptool_5  = new Image ; preload_maptool_5.src =  "images/maptools/rectangle_selected.jpg" ;
var preload_maptool_6  = new Image ; preload_maptool_6.src =  "images/maptools/lasso_selected.jpg" ;

unloadWindow = false ;

var selectedMapTool = "maptoolgrab" ;
var mouseIsInInfoWindow = "no" ;
var selectionStartHorizontal = 0 ;
var selectionStartVertical = 0 ;
var selectionVerticalOffset = 0
var selectionHorizontalOffset = 0 ;
var selectionStatus = "ready" ;
var selectedArea = "" ;


var boxHTML = "<table border=\"0\" cellspacing=\"0\" width=\"180\" cellpadding=\"7\" onmouseover=\"mouseIsInInfoWindow='yes';\" onmouseout=\"mouseIsInInfoWindow='no';\"><tr><td class=\"googlemapsinfotext\">[boxcontent]</td></tr></table>" ;
var searchHTML = "<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr><td valign=\"top\" align=\"left\">" + 
  "<a href=\"JavaScript:startMapSearch();\"><img src=\"images/search_map.gif\" width=\"24\" height=\"24\" border=\"0\" /></a></td>" + 
  "<td><img src=\"images/blank.gif\" alt=\"\" width=\"5\" height=\"1\" border=\"0\" /></td>" + 
  "<td class=\"googlemapsinfotext\"><b><a href=\"JavaScript:startMapSearch();\">" + 
  "[searchlink]</a></b>[sourcename]</tr></table>" ;
var closeBoxHTML = "<td valign=\"top\" width=\"14\"><a href=\"JavaScript:clearAll(true);\"><img src=\"images/mapinfo_closebox.gif\" alt=\"\" width=\"14\" height=\"13\" border=\"0\" /></a></td>" ;


var searchLinkText = "Search in this area" ;
var searchLinkText2 = "Search in [area]" ;
var searchLink = "" ;

function mouseoverMapTool(thisID) {
	if (selectedMapTool != thisID) {
		document.getElementById(thisID).src = "images/maptools/" + thisID.substr(7) + "_hover.png" ;
	}
}

function mouseoutMapTool(thisID) {
	if (selectedMapTool != thisID) {
		document.getElementById(thisID).src = "images/maptools/" + thisID.substr(7) + ".png" ;
	}
}

function selectMapTool(thisID) {
	if (selectedMapTool != thisID) {
		var thisImage = "images/maptools/" + selectedMapTool.substr(7) + ".png" ; ;
		document.getElementById(selectedMapTool).src = thisImage ;
		
		thisImage = "images/maptools/" + thisID.substr(7) + "_selected.png" ;
		document.getElementById(thisID).src = thisImage ;
		
		selectedMapTool = thisID ;
		
		if (thisID == "maptoolgrab") {
			map.enableDragging() ;
			map.enableDoubleClickZoom() ;
		} else {
			map.disableDragging() ;
			map.disableDoubleClickZoom() ;
		}
		
		if (selectedMapTool == "maptoollasso" && thisID != "maptoollasso") {
			var numberOfPoints = points.length ;
			if (numberOfPoints > 1) {
				var startPoint = map.fromContainerPixelToLatLng(points[0]) ;
				var endPoint = map.fromContainerPixelToLatLng(points[numberOfPoints-1]) ;
				if (startPoint.toString() != endPoint.toString() ) {
					clearAll(false) ;
				}
			}
		}
		
		 makeMouseDownPoint() ;
		
		document.getElementById("rectanglebox").style.visibility = "hidden" ;
		selectionStatus = "" ;
	}
}

function clearAll(clearCachedSelection) {
	hideInfoWindow() ;
	map.clearOverlays();
	makeMouseDownPoint() ;
	if (points) {
		points.length = 0;
	}
	if (clearCachedSelection == true) {
		document.getElementById("storemapselectionresults").innerHTML = "" ;
		ajaxGetData('/inc/res.storemapseleection.php','storemapselectionresults');
	}
}

var mousedownmarker;
function makeMouseDownPoint() {
	if (selectedMapTool != "maptoolrectangle") {
		return true ;
	}

	mousedownmarker = new GMarker(new GLatLng(0,0), icon2) ;
	map.addOverlay(mousedownmarker) ;

	GEvent.addListener(mousedownmarker, "mousedown", function() {
		startRectangleSelection() ;
	}) ;

	GEvent.addListener(mousedownmarker, "mouseup", function() {
		endRectangleSelection() ;
	}) ;

}

function startRectangleSelection() {
	if (selectedMapTool != "maptoolrectangle" || selectionStatus == "selecting") {
		return true ;
	}
	if (selectionVerticalOffset == "" || selectionHorizontalOffset == "" ) {
		return true ;
	}
	if (selectionHorizontalOffset < mapLeft || selectionHorizontalOffset > mapRight 
	  || selectionVerticalOffset < mapTop || selectionVerticalOffset > mapBottom) {
		return true ;
	}
	if (map.getZoom() <= 1) {
		alert("Sorry, the rectangle selection tool is not available at this zoom level.") ;
		return true ;
	}

	clearAll(false) ;
	
	selectionStartHorizontal = selectionHorizontalOffset ;
	selectionStartVertical = selectionVerticalOffset ;
	selectionStatus = "selecting" ;
}

function updateRectangleSelection(coordinatesInDegrees) {
	if (selectedMapTool != "maptoolrectangle") {
		return true ;
	}
	var verticalOffset = selectionVerticalOffset ;
	var horizontalOffset = selectionHorizontalOffset ;
	mousedownmarker.setPoint(coordinatesInDegrees) ;

	if (selectionStatus != "selecting") {
		return true ;
	}
	
	var startVerticalOffset = selectionStartVertical ;
	var startHorizontalOffset = selectionStartHorizontal ;
	
	if (horizontalOffset < mapLeft) {
		horizontalOffset = mapLeft;
	} else if (horizontalOffset > mapRight) {
		horizontalOffset = mapRight ;
	}
	if (verticalOffset < mapTop) {
		 verticalOffset = mapTop ;
	} else if (verticalOffset > mapBottom) {
		verticalOffset = mapBottom ;
	}
	
	if (verticalOffset > startVerticalOffset) {
		var selectionTop = startVerticalOffset ;
		var selectionBottom = verticalOffset ;
		if (browserType == "Safari") {
			selectionBottom = selectionBottom - 2 ;
		}
	} else {
		selectionTop = verticalOffset ;
		selectionBottom = startVerticalOffset ;
	}
	if (horizontalOffset > startHorizontalOffset) {
		var selectionLeft = startHorizontalOffset ;
		var selectionRight = horizontalOffset ;
		if (browserType == "Safari") {
			selectionRight = selectionRight - 2 ;
		}
	} else {
		var selectionLeft = horizontalOffset ;
		var selectionRight = startHorizontalOffset ;
	}
	
	var selectionBoxWidth = parseInt(selectionRight) - parseInt(selectionLeft) + 1 ;
	var selectionBoxHeight = parseInt(selectionBottom) - parseInt(selectionTop) + 1 ;
	var selectionBoxTop = parseInt(selectionTop) ;
	var selectionBoxLeft = parseInt(selectionLeft) ;
	if (browserType == "Mozilla") {
		selectionBoxTop = selectionBoxTop + 1 ;
		selectionBoxLeft = selectionBoxLeft + 1 ;
		selectionBoxWidth = selectionBoxWidth - 2 ;
		selectionBoxHeight = selectionBoxHeight - 2 ;
	}
	if (selectionBoxWidth < 0) {
		selectionBoxWidth = 0 ;
	}
	if (selectionBoxHeight < 0) {
		selectionBoxHeight = 0 ;
	}
	document.getElementById('rectanglebox').style.top = selectionBoxTop + "px" ;
	document.getElementById('rectanglebox').style.left = selectionBoxLeft + "px" ;
	document.getElementById('rectanglebox').style.width = selectionBoxWidth + "px" ;
	document.getElementById('rectanglebox').style.height = selectionBoxHeight + "px" ;
	document.getElementById('rectanglebox').style.visibility = "visible" ;
}

function endRectangleSelection() {
	if (selectedMapTool != "maptoolrectangle" || selectionStatus != "selecting") {
		return true ;
	}

	var startVertical = selectionStartVertical  ;
	var startHorizontal = selectionStartHorizontal ;
	var endVertical = selectionVerticalOffset ;
	var endHorizontal = selectionHorizontalOffset ;
	
	if (browserType == "Mozilla" ) {
		startVertical += 1 ;
		startHorizontal += 1 ;
		endVertical += 1 ;
		endHorizontal += 1 ;
	}
	
	if (startHorizontal < mapLeft) {
		startHorizontal = mapLeft;
	} else if (startHorizontal > mapRight) {
		startHorizontal = mapRight ;
	}
	if (startVertical < mapTop) {
		startVertical = mapTop ;
	} else if (startVertical > mapBottom) {
		startVertical = mapBottom ;
	}
	if (endHorizontal < mapLeft) {
		endHorizontal = mapLeft;
	} else if (endHorizontal > mapRight) {
		endHorizontal = mapRight ;
	}
	if (endVertical < mapTop) {
		endVertical = mapTop ;
	} else if (endVertical > mapBottom) {
		endVertical = mapBottom ;
	}
	
	if (Math.abs(startHorizontal - endHorizontal) < 10 && Math.abs(startVertical - endVertical) < 10) {
		return true ;
	}
	if ( startHorizontal != endVertical || startHorizontal != endHorizontal )  {
		selectionStatus = "ready" ;
	}
	
	var points = new Array();
	for (var i = 0 ; i < 5; i ++) {
		if (i == 0 || i == 4) {
			var thisHOffset = startHorizontal ;
			var thisVOffset = startVertical ;
		} else if (i == 1) {
			var thisHOffset = endHorizontal ;
			var thisVOffset = startVertical ;
		} else if (i == 2) {
			var thisHOffset = endHorizontal ;
			var thisVOffset = endVertical ;
		} else if (i == 3) {
			var thisHOffset = startHorizontal ;
			var thisVOffset = endVertical ;
		}
		
		var mapMouseHOffset = thisHOffset - mapLeft ;
		var mapMouseVOffset = thisVOffset - mapTop ;
		
		coordinatesInDegrees = map.fromContainerPixelToLatLng(new GPoint(mapMouseHOffset,mapMouseVOffset)) ;
		points.push(coordinatesInDegrees) ;
	}
	var thisPolygonGoogleMaps = "" ;
	var thisPolygonSQL = "" ;
	for (var i = 0 ; i < points.length; i ++) {
		if (i > 0) {
			thisPolygonGoogleMaps += "," ;
			thisPolygonSQL += "," ;
		}
		var thisLongitude = points[i].lng() ;
		var thisLatitude = points[i].lat() ;
		
		thisPolygonGoogleMaps += thisLatitude + " " + thisLongitude ;
		thisPolygonSQL += thisLongitude + " " + thisLatitude ;
	}
	showRectangleOrLassoSelection(thisPolygonGoogleMaps,thisPolygonSQL,"rectangle","no") ;
	
	document.getElementById("storemapselectionresults").innerHTML = "" ;
	ajaxGetData('/inc/res.storemapseleection.php?points=&rectangle='+escape(thisPolygonSQL)+'&areaid=','storemapselectionresults');
}

function showRectangleOrLassoSelection(thisPolygonGoogleMaps,thisPolygonSQL,pointsOrRectangle,newMap) {
	var coordinatePairs = thisPolygonGoogleMaps.split(",") ;
	var points = new Array() ;
	for (var i = 0 ; i < coordinatePairs.length; i ++) {
		theseCoordinates = coordinatePairs[i].split(" ") ;
		theseCoordinates = new GLatLng(theseCoordinates[0],theseCoordinates[1]) ;
		points.push(theseCoordinates) ;
	}
	map.addOverlay(new GPolyline(points, "#FFFF00", 2, 1));
	document.getElementById("rectanglebox").style.visibility = "hidden" ;
	
	searchLink = "search_results.php?newSearch=1&" + pointsOrRectangle + "=" + escape(thisPolygonSQL) ;
	for (var i = 0 ; i < coordinatePairs.length; i ++) {
		var theseCoordinates = coordinatePairs[i].split(" ") ;
		var thisLatitude = parseFloat(theseCoordinates[0]) ;
		var thisLongitude = parseFloat(theseCoordinates[1]) ;
		if (i == 0) {
			var minimumLatitude = thisLatitude ;
			var maximumLatitude = thisLatitude ;
			var minimumLongitude = thisLongitude ;
			var maximumLongitude = thisLongitude ;
			continue ;
		} 
		if (thisLatitude > maximumLatitude) {
			maximumLatitude = thisLatitude ;
		} else if (thisLatitude < minimumLatitude) {
			minimumLatitude = thisLatitude ;
		} 
		if (thisLongitude > maximumLongitude) {
			maximumLongitude = thisLongitude ;
		} else if (thisLongitude < minimumLongitude) {
			minimumLongitude = thisLongitude ;
		} 
	}
	var centerLatitude = ((minimumLatitude + maximumLatitude) / 2);
	var centerLongitude = ((minimumLongitude + maximumLongitude) / 2);
	
	if (newMap == "yes") {
		var bounds = new GLatLngBounds();
		var corner1 = new GLatLng(minimumLatitude,minimumLongitude);
		bounds.extend(corner1);
		var corner2 = new GLatLng(maximumLatitude,maximumLongitude);
		bounds.extend(corner2);
		var zoomLevel = map.getBoundsZoomLevel(bounds) - 2 ;
		if (zoomLevel <= 1) {
			zoomLevel = 2 ;
		}
		map.setZoom(zoomLevel);
		var point = new GLatLng(centerLatitude,centerLongitude) ;
		map.setCenter(point);
	}
	
	
	var infoWindowLatitude = centerLatitude + (Math.abs(maximumLatitude-centerLatitude)*0.3) ;
	var infoWindowLongitude = centerLongitude + (Math.abs(maximumLongitude-centerLongitude)*0.3) ;
	var thisPoint = new GLatLng(infoWindowLatitude,infoWindowLongitude) ;
	var thisHTML = searchHTML.replace("[searchlink]",searchLinkText) ;
	thisHTML = thisHTML.replace("[sourcename]","") ;
	thisHTML = boxHTML.replace("[boxcontent]",thisHTML) ;
	thisHTML = thisHTML.replace("[closebox]",closeBoxHTML) ;
	
	showInfoWindow(thisPoint,thisHTML) ;
}

var ewindow ;
function showInfoWindow(point,html) {
	hideInfoWindow();
	
	ewindow = new EWindow(map, E_STYLE_2);
	map.addOverlay(ewindow);
	ewindow.openOnMap(point, html) ;
	
	map.panBy(new GSize(-20,55)) ;
}

function hideInfoWindow() {
	if (ewindow) {
		ewindow.hide() ;
	}
	mouseIsInInfoWindow = "no" ;
}

function selectMapArea(itemID) {
	if (!itemID || itemID == "") {
		return true ;
	}
	data = ajaxGetDataSynch('/inc/res.geoareas.php?areaid=' + itemID,'maparearesults');
	document.getElementById("maparearesults").innerHTML = data;
	showMapArea(data);
}

function showMapArea(data) {
	var jsonData = eval ('(' + data + ')') ;
	if (!jsonData.minimumLatitude || jsonData.minimumLatitude == "") {
		return true ;
	}
	var centerLatitude = ((jsonData.minimumLatitude + jsonData.maximumLatitude) / 2);
	var centerLongitude = ((jsonData.minimumLongitude + jsonData.maximumLongitude) / 2);
	var infoWindowLatitude = centerLatitude + (Math.abs(jsonData.maximumLatitude-centerLatitude)*0.3) ;
	var infoWindowLongitude = centerLongitude + (Math.abs(jsonData.maximumLongitude-centerLongitude)*0.3) ;
	var infoWindowPoint = new GLatLng(infoWindowLatitude,infoWindowLongitude);
	var areaName = jsonData.name ;
	if (jsonData.source) {
		var sourceName = " ("+ jsonData.source + ")" ;
	} else {
		var sourceName = "" ;
	}
	
	document.getElementById("storemapselectionresults").innerHTML = "" ;
	ajaxGetData('/inc/res.storemapseleection.phpareaid=' + jsonData.id + '&points=&rectangle=','storemapselectionresults');
	
	// Some browsers crash if number of points in polygon exceeds �400
	// Maximise number of points to be draw in polygon on Google Maps
	var maxNumberOfPointsInPolygon = 400;

	var oldArea = selectedArea ;
	selectedArea = data ;
	clearAll(false) ;
	var nameHTML = "[name]" ;
		  
	if (oldArea == "" ) {
		if (map.getZoom() > 7) {
			map.setZoom(7);
		}
		var point = new GLatLng(centerLatitude,centerLongitude);
		map.panTo(point);
		var marker = new GMarker(point, icon);
		map.addOverlay(marker);
		var thisHTML = nameHTML.replace("[name]",areaName) ;
		thisHTML = boxHTML.replace("[boxcontent]",thisHTML) ;
		thisHTML = thisHTML.replace("[closebox]","") ;
		showInfoWindow(infoWindowPoint, thisHTML) ;
		map.panTo(point);
		window.setTimeout(function() {
			map.removeOverlay(marker);
			var bounds = new GLatLngBounds();
			var corner1 = new GLatLng(jsonData.minimumLatitude,jsonData.minimumLongitude);
			bounds.extend(corner1);
			var corner2 = new GLatLng(jsonData.maximumLatitude,jsonData.maximumLongitude);
			bounds.extend(corner2);
			hideInfoWindow();
			map.setZoom(map.getBoundsZoomLevel(bounds) - 1);
			map.setCenter(point);

			for (var i = 0; i < jsonData.lines.length; i++) {
				var pts = [];
				var numberOfPointsInPolygon = jsonData.lines[i].points.length;
				var counterStep = Math.ceil(numberOfPointsInPolygon/maxNumberOfPointsInPolygon);
				var k = 0;
				for (j = 0; j < numberOfPointsInPolygon; j += counterStep) {
					if (j <= numberOfPointsInPolygon) {
						pts[k] = new GLatLng(jsonData.lines[i].points[j].lat, jsonData.lines[i].points[j].lng);
						k++;
					}
				}
				if (counterStep > 1 && j < numberOfPointsInPolygon) {
					pts[k++] = new GLatLng(jsonData.lines[i].points[1].lat, jsonData.lines[i].points[1].lng);
				}
				map.addOverlay(new GPolyline(pts, "#FFFF00", 2, 1)); 
			}

			searchLink = "search_results.php?newSearch=1&areaid=" + jsonData.id ;
			var thisHTML = searchHTML.replace("[searchlink]",searchLinkText2.replace("[area]",areaName)) ;
			thisHTML = thisHTML.replace("[sourcename]",sourceName) ;
			thisHTML = boxHTML.replace("[boxcontent]",thisHTML) ;
			thisHTML = thisHTML.replace("[closebox]",closeBoxHTML) ;
			showInfoWindow(infoWindowPoint, thisHTML) ;
			resetMapAreaMenus() ;
		}, 1500);
	} else {
		var oldJsonData = eval ('(' + oldArea + ')') ;
		var oldCenterLatitude = ((oldJsonData.minimumLatitude + oldJsonData.maximumLatitude) / 2);
		var oldCenterLongitude = ((oldJsonData.minimumLongitude + oldJsonData.maximumLongitude) / 2);
		var oldName = oldJsonData.name ; 
		var oldPoint = new GLatLng(oldCenterLatitude,oldCenterLongitude);
		var oldMarker = new GMarker(oldPoint, icon);
		map.addOverlay(oldMarker);
		var thisHTML = nameHTML.replace("[name]",oldName) ;
		thisHTML = boxHTML.replace("[boxcontent]",thisHTML) ;
		thisHTML = thisHTML.replace("[closebox]","") ;
		showInfoWindow(oldPoint, thisHTML) ;
		if (map.getZoom() > 7) {
			map.setZoom(7);
		}
		var point = new GLatLng(centerLatitude,centerLongitude);
		var newMarker = new GMarker(point, icon);
		window.setTimeout(function() { 
			map.addOverlay(newMarker);
			var thisHTML = nameHTML.replace("[name]",areaName) ;
			thisHTML = boxHTML.replace("[boxcontent]",thisHTML) ;
			thisHTML = thisHTML.replace("[closebox]","") ;
			showInfoWindow(point, thisHTML) ;
			map.panTo(point);
		}, 800);
		window.setTimeout(function() {
			map.removeOverlay(oldMarker);
			map.removeOverlay(newMarker);
			var bounds = new GLatLngBounds();
			var corner1 = new GLatLng(jsonData.minimumLatitude,jsonData.minimumLongitude);
			bounds.extend(corner1);
			var corner2 = new GLatLng(jsonData.maximumLatitude,jsonData.maximumLongitude);
			bounds.extend(corner2);
			hideInfoWindow();
			map.setZoom(map.getBoundsZoomLevel(bounds) - 1);
			map.setCenter(point);
			for (var i = 0; i < jsonData.lines.length; i++) {
				var pts = [];
				var numberOfPointsInPolygon = jsonData.lines[i].points.length;
				var counterStep = Math.ceil(numberOfPointsInPolygon/maxNumberOfPointsInPolygon);
				var k = 0;
				for (j = 0; j < numberOfPointsInPolygon; j += counterStep) {
					if (j <= numberOfPointsInPolygon) {
						pts[k] = new GLatLng(jsonData.lines[i].points[j].lat, jsonData.lines[i].points[j].lng);
						k++;
					}
				}
				if (counterStep > 1 && j < numberOfPointsInPolygon) {
					pts[k++] = new GLatLng(jsonData.lines[i].points[1].lat, jsonData.lines[i].points[1].lng);
				}
				map.addOverlay(new GPolyline(pts, "#FFFF00", 2, 1)); 
			}
			searchLink = "search_results.php?newSearch=1&areaid=" + jsonData.id ;
			var thisHTML = searchHTML.replace("[searchlink]",searchLinkText2.replace("[area]",areaName)) ;
			thisHTML = thisHTML.replace("[sourcename]",sourceName) ;
			thisHTML = boxHTML.replace("[boxcontent]",thisHTML) ;
			thisHTML = thisHTML.replace("[closebox]",closeBoxHTML) ;
			showInfoWindow(infoWindowPoint, thisHTML) ;
			resetMapAreaMenus() ;
		}, 2500);
	}
}

function showStoredMapArea(data) {
	var maxNumberOfPointsInPolygon = 400;
	var data = unescape(data) ;
	var jsonData = eval ('(' + data + ')') ;
	if (!jsonData.minimumLatitude || jsonData.minimumLatitude == "") {
		return true ;
	}
	var centerLatitude = ((jsonData.minimumLatitude + jsonData.maximumLatitude) / 2);
	var centerLongitude = ((jsonData.minimumLongitude + jsonData.maximumLongitude) / 2);
	var infoWindowLatitude = centerLatitude + (Math.abs(jsonData.maximumLatitude-centerLatitude)*0.3) ;
	var infoWindowLongitude = centerLongitude + (Math.abs(jsonData.maximumLongitude-centerLongitude)*0.3) ;
	var infoWindowPoint = new GLatLng(infoWindowLatitude,infoWindowLongitude);
	var name = jsonData.name ;
	if (jsonData.source) {
		var sourceName = " ("+ jsonData.source + ")" ;
	} else {
		var sourceName = "" ;
	}
	
	selectedArea = data ;
	var nameHTML = "<p class='googlemapsinfotext'>[name]</p>" ;
		  
	var point = new GLatLng(centerLatitude,centerLongitude);
	var bounds = new GLatLngBounds();
	var corner1 = new GLatLng(jsonData.minimumLatitude,jsonData.minimumLongitude);
	bounds.extend(corner1);
	var corner2 = new GLatLng(jsonData.maximumLatitude,jsonData.maximumLongitude);
	bounds.extend(corner2);
	var zoomLevel = map.getBoundsZoomLevel(bounds) - 1 ;
	if (zoomLevel <= 1) {
		zoomLevel = 2 ;
	}
	map.setZoom(zoomLevel);
	map.setCenter(point);
	for (var i = 0; i < jsonData.lines.length; i++) {
		var pts = [];
		var numberOfPointsInPolygon = jsonData.lines[i].points.length;
		var counterStep = Math.ceil(numberOfPointsInPolygon/maxNumberOfPointsInPolygon);
		var k = 0;
		for (j = 0; j < numberOfPointsInPolygon; j += counterStep) {
			if (j <= numberOfPointsInPolygon) {
				pts[k] = new GLatLng(jsonData.lines[i].points[j].lat, jsonData.lines[i].points[j].lng);
				k++;
			}
		}
		if (counterStep > 1 && j < numberOfPointsInPolygon) {
			pts[k++] = new GLatLng(jsonData.lines[i].points[1].lat, jsonData.lines[i].points[1].lng);
		}
		map.addOverlay(new GPolyline(pts, "#FFFF00", 2, 1)); 
	}
	searchLink = "search_results.php?newSearch=1&areaid=" + jsonData.id ;
	var thisHTML = searchHTML.replace("[searchlink]",searchLinkText2.replace("[area]",name)) ;
	thisHTML = thisHTML.replace("[sourcename]",sourceName) ;
	thisHTML = boxHTML.replace("[boxcontent]",thisHTML) ;
	thisHTML = thisHTML.replace("[closebox]",closeBoxHTML) ;
	showInfoWindow(infoWindowPoint, thisHTML) ;
}

function resetMapAreaMenus() {
	var counter = 0 ;
	while (document.getElementById("selectmaparea" + counter)) {
		var thisMenu = document.getElementById("selectmaparea" + counter) ;
		counter ++ ;
		thisMenu.options[0].selected = "selected" ;
		for (var i = 1 ; i < thisMenu.options.length; i++) {
			 thisMenu.options[i].selected = "" ;
		}
	}
}

function showOrHideAdvancedSearchOption(thisOption) {
	var thisLayer = document.getElementById("map" + thisOption + "selection") ;
	var thisImage = document.getElementById("map" + thisOption + "selectionarrow") ;
	if (thisLayer.style.visibility == "hidden") {
		thisImage.src = "images/advanced_search_arrow_down.gif" ;
		thisLayer.style.height = "" ;
		thisLayer.style.visibility = "visible" ;
	} else {
		thisImage.src = "images/advanced_search_arrow_right.gif" ;
		thisLayer.style.height = "1px" ;
		thisLayer.style.visibility = "hidden" ;
	}
}

function startMapSearch() {
	var advancedSearchOptions = getAdvancedSearchOptions() ;
	if (advancedSearchOptions != "error") {
		document.location.href = searchLink + advancedSearchOptions ;
	}
}

function getAdvancedSearchOptions() {
	var thisLayer = document.getElementById("mapdateselection") ;
	if (!thisLayer) {
		return "" ;
	} else if (thisLayer.style.display == "block") {
		return "" ;
	}
	
	var startDate = "" ;
	var endDate = "" ;
	var thisCategory = "" ;
	var thisSource = "" ;
	
	if (document.getElementById("mapdateselection").style.visibility == "visible") {
		var fromOrTo = new Array("from","to") ;
		var theseMenus = new Array("day","month","year") ;
		var theseDateValues = new Array() ;
		var theseDateNames = new Array() ;
		var listOfMonths = new Array() ;
		for (var thisFromToCounter = 0 ; thisFromToCounter < fromOrTo.length; thisFromToCounter ++ ) {
			var thisFromOrTo = fromOrTo[thisFromToCounter] ;
			theseDateValues[thisFromOrTo] = new Array() ;
			theseDateNames[thisFromOrTo] = new Array() ;
			for (var thisMenuCounter = 0 ; thisMenuCounter < theseMenus.length; thisMenuCounter ++ ) {
				var thisMenuName = theseMenus[thisMenuCounter] ;
				var thisMenu = document.getElementById("select" + thisMenuName + thisFromOrTo) ;
				theseDateValues[thisFromOrTo][thisMenuName] = "" ;
				theseDateNames[thisFromOrTo][thisMenuName] = "" ;
				for (var thisMenuItem = 0 ; thisMenuItem < thisMenu.options.length; thisMenuItem++) {
					 if (thisFromToCounter == 0 && thisMenuName == "month") {
						var thisMonthNumber = thisMenu.options[thisMenuItem].value ;
						var thisMonthName = thisMenu.options[thisMenuItem].innerHTML ;
						if (thisMonthNumber != "") {
							listOfMonths[thisMonthNumber] = thisMonthName ;
						}
					 }
					
					if (thisMenu.options[thisMenuItem].selected == true) {
						theseDateValues[thisFromOrTo][thisMenuName] = thisMenu.options[thisMenuItem].value ;
						theseDateNames[thisFromOrTo][thisMenuName] = thisMenu.options[thisMenuItem].innerHTML ;
						break ;
					}
				}
			}
		}
		
		for (var thisFromToCounter = 0 ; thisFromToCounter < fromOrTo.length; thisFromToCounter ++ ) {
			var thisFromOrTo = fromOrTo[thisFromToCounter] ;
			var thisDay = theseDateValues[thisFromOrTo]["day"] ;
			var thisMonth = theseDateValues[thisFromOrTo]["month"] ;
			var thisYear = theseDateValues[thisFromOrTo]["year"] ;
			if (thisDay + thisMonth + thisYear == "") {
				continue ;
			}
			var thisMonthName = theseDateNames[thisFromOrTo]["month"] + " " + theseDateNames[thisFromOrTo]["year"]  ;

			if (thisDay != "" && thisMonth == "") {
				if (thisFromOrTo == "from") {
					alert ("Invalid start date. Please select a month and year.") ;
				} else {
					alert ("Invalid end date. Please select a month and year.") ;
				}
				return "error" ;
			} else if (thisYear == "") {
				if (thisFromOrTo == "from") {
					alert ("Invalid start date. Please select a year.") ;
				} else {
					alert ("Invalid end date. Please select a year.") ;
				}
				return "error" ;
			}
			
			if (thisMonth == "") {
				if (thisFromOrTo == "from") {
					thisMonth = 1 ;
				} else {
					thisMonth = 12 ;
				}
				theseDateValues[thisFromOrTo]["month"] = thisMonth ;
				theseDateNames[thisFromOrTo]["month"] = listOfMonths[thisMonth] ;
			} else {
				var lastDayOfMonth = getLastDayOfMonth(thisMonth,thisYear) ;
				if (parseInt(thisDay) > lastDayOfMonth) {
					if (thisFromOrTo == "from") {
						thisWarning = "Invalid start date. [month] had no more than [days] days." ;
					} else {
						thisWarning = "Invalid end date. [month] had no more than [days] days." ;
					}
					var thisWarning = thisWarning.replace("[month]",thisMonthName) ;
					thisWarning = thisWarning.replace("[days]",lastDayOfMonth) ;
					alert (thisWarning) ;
					return "error" ;
				}
			}
			
			if (thisDay == "") {
				if (thisFromOrTo == "from") {
					thisDay = 1 ;
				} else {
					thisDay = getLastDayOfMonth(thisMonth,thisYear) ;
				}
				theseDateValues[thisFromOrTo]["day"] = thisDay ;
			}
		}
		
		var startDay = theseDateValues["from"]["day"] ;
		var startMonth = theseDateValues["from"]["month"] ;
		var startYear = theseDateValues["from"]["year"] ;
		var endDay = theseDateValues["to"]["day"] ;
		var endMonth = theseDateValues["to"]["month"] ;
		var endYear = theseDateValues["to"]["year"] ;
		var startDateIsLaterOrEqualToEndDate = true ;
		if (startDay + startMonth + startYear != "" && endDay + endMonth + endYear != "") {
			if (startYear > endYear) {
				startDateIsLaterOrEqualToEndDate = false ;
			} else if (startYear == endYear) {
				if (startMonth > endMonth) {
					startDateIsLaterOrEqualToEndDate = false ;
				} else if (startMonth == endMonth) {
					if (startDay > endDay) {
						startDateIsLaterOrEqualToEndDate = false ;
					}
				}
			}
		}
		if (startDateIsLaterOrEqualToEndDate == false) {
			var thisWarning = "Invalid date range. The start date ([startdate]) must be earlier than the end date ([enddate])." ;
			thisWarning = thisWarning.replace("[startdate]", startDay + " " +  theseDateNames["from"]["month"] + " " + startYear) ;
			thisWarning = thisWarning.replace("[enddate]", endDay + " " +  theseDateNames["to"]["month"] + " " + endYear) ;
			alert (thisWarning) ;
			return "error" ;
		}
		
		if (startDay + startMonth + startYear != "") {
			if (startDay < 10) {
				startDay = "0" + startDay ;
			}
			if (startMonth < 10) {
				startMonth = "0" + startMonth ;
			}
			startDate = startYear + "-" + startMonth + "-" + startDay ;
		}
		if (endDay + endMonth + endYear != "") {
			if (endDay < 10) {
				endDay = "0" + endDay ;
			}
			if (endMonth < 10) {
				endMonth = "0" + endMonth ;
			}
			endDate = endYear + "-" + endMonth + "-" + endDay ;
		}
	}
	
	
	if (document.getElementById("mapcategoryselection").style.visibility == "visible") {
		var thisMenu = document.getElementById("selectcategory") ;
		for (var thisMenuItem = 0 ; thisMenuItem < thisMenu.options.length; thisMenuItem++) {
			if (thisMenu.options[thisMenuItem].selected == true) {
				thisCategory = thisMenu.options[thisMenuItem].value ;
				break ;
			}
		}
	}
	if (document.getElementById("mapsourceselection").style.visibility == "visible") {
		var thisMenu = document.getElementById("selectsource") ;
		for (var thisMenuItem = 0 ; thisMenuItem < thisMenu.options.length; thisMenuItem++) {
			if (thisMenu.options[thisMenuItem].selected == true) {
				thisSource = thisMenu.options[thisMenuItem].value ;
				break ;
			}
		}
	}
	
	var advancedSearchParameters = "" ;
	if (startDate != "") {
		advancedSearchParameters += "&start_date=" + startDate ;
	}
	if (endDate != "") {
		advancedSearchParameters += "&end_date=" + endDate ;
	}
	advancedSearchParameters += "&map_category=" + thisCategory ;
	advancedSearchParameters += "&source=" + thisSource ;
	
	return advancedSearchParameters ;
}

function getLastDayOfMonth(thisMonth,thisYear) {
	if (thisMonth == 1 || thisMonth == 3 || thisMonth == 5 || thisMonth == 7 || thisMonth == 8 || thisMonth == 10 || thisMonth == 12) {
		return 31 ;
	} else if (thisMonth == 2) {
		if (thisMonth/4 == Math.floor(thisMonth/4)) {
			return 29 ;
		} else {
			return 28 ;
		}
	} else {
		return 30 ;
	}
}