var actionID = 1001;
var currentURI = "http://www.privateschoolreview.com/maps/markers.php";
var arrMarkersqs = {"type":"1","stateid":"NV","letter":"A"};
var county_name = "";
var tmpobj;

var minlat, minlong;
var maxlat, maxlong;
var pageinit = false;

minlat = 0;
minlong = 0;
maxlat = 0;
maxlong = 0;

Ajax.responseFunction = function(sResponse) {
	myServerCallback(sResponse);
}

function myCallServer(ajaxargs) {
	Ajax.callServer(ajaxargs);
}

function onChangeMap() {
	var obj;
	var qs = arrMarkersqs;
	var selection = document.getElementById("selection");
	var myVal = selection.options[selection.selectedIndex].value;

	obj = {
		"cmd": "LIST",
		"actionID": actionID,
		"myval": myVal
	};

	// Include all of the query string parameters
	for (x in qs) {
		if ("string" == typeof(x) && (x != "toJSONString")) {
			eval("obj." + x + " = '" + qs[x] + "'");
		}
	}

	obj.referrer = referrer;

	myCallServer(obj.toJSONString());
}

function addMapBounds(obj) {
	var bounds = map.getBounds();

	obj.viewArea = {
		"lllat": bounds.getSouthWest().lat(),
		"lllng": bounds.getSouthWest().lng(),
		"urlat": bounds.getNorthEast().lat(),
		"urlng": bounds.getNorthEast().lng()
	};

	return obj;
}

// Fires when drop down list of schools changes
function selectChange(selection) 
{
	map.closeInfoWindow();

	onChangeMap();
}

function showListings(obj) {
	var selection = document.getElementById("selection");
	var myVal = selection.options[selection.selectedIndex].value;
	var qs = arrMarkersqs;
	var arrNewCitySet = [];
	var numrows = obj.count;
	var i, j, k;

	map.closeInfoWindow();

	for (i=0; i<arrCitySet.length; i++) {
		arrNewCitySet[i] = false;
	}

	if (!pageinit) {
		pageinit = true;

		if ("" != myVal) {
			// -> Standalone Map
			// Center on array of markers and add them/init map
			if ((qs['city']) && ("" != qs['city']) && standalone) {
				qs['city'] = qs['city'].replace(/ /,"_");
				centerByArray(qs['city'], true, true);
				map.addOverlays(qs['city']);
			}
			// If less than X markers, and not on the stand-alone, then auto-plot them on initial map
			else if ((numrows < maxStartMarkers) && !(qs['first_school']) && !(qs['letter']) &&
				!(qs['specific_type']) && !standalone) {
				for (i=0; i<arrCity.length; i++) {
					if (arrCitySet[i]) {
						map.removeOverlays(arrCity[i]);
						eval(arrCity[i] + " = null");
					}
				}

				for (i in obj.listings) {
					if ("toJSONString" != i) {
						eval(i + " = obj.listings." + i);
						setTimeout("map.addOverlays('" + i + "')",1000);

						for (j=0; j<arrCity.length; j++) {
							if (arrCity[j] == i) {
								arrNewCitySet[j] = true;
								break;
							}
						}
					}
				}
			}

			// If we're on the stand alone map where city = ALL, plot everything
			// OR if we're doing the zip codes and we're under the maximum limit, then plot
			// OR we've done a zip search and have a list, and we're under max, then plot
			if (standalone || ("" != qs['first_school']) || ("" != (qs['specific_type']) &&
				(numrows < maxStartMarkers) && (numRows > 0))) {
				setMinMaxLatLong(arrNewCitySet);
				reCenterMap();

				for (i=0; i<arrCity.length; i++) {
					if (arrCitySet[i]) {
						map.removeOverlays(arrCity[i]);
						eval(arrCity[i] + " = null");
					}
				}

				for (i in obj.listings) {
					if ("toJSONString" != i) {
						eval(i + " = obj.listings." + i);
						setTimeout("map.addOverlays('" + i + "')",1000);

						for (j=0; j<arrCity.length; j++) {
							if (arrCity[j] == i) {
								arrNewCitySet[j] = true;
								break;
							}
						}
					}
				}
			}
			else if ((("" != qs['zipList']) || (qs['type'] == 2) || ("" != qs['myType']) || ("" != qs['regType']) || ("" != qs['memType'])) && (numrows > 0)) {
				setMinMaxLatLong(arrNewCitySet);
				reCenterMap();
			}
			else if (("" != qs['myType'])) {
				//getPoly("","state","",qs['stateid']);
			}
		}
	} else {
		// Add entire array based on variable type
		if ((myVal.indexOf('all') != -1) && (myVal != 'all')) {
			var temp = myVal.split('=');
			var showArray = temp[1];

			// If we aren't on the stand alone map, no need to popup a new window for > x markers
			if (!standalone) {
					// If Array is > X amount of markers, then open in a new page
					if (obj.count > maxMarkers)
					 // New window depends on whether or not we're on the search page
					 if (location.href.indexOf('nearby_schools.php') == -1)
						window.open(location.href + '/map/' + showArray);
					 else
						window.open('/search/' + qs['zipList'] + '/' + qs['radius'] + '/type' +
							qs['school_type_search'] + '/' + qs['school_type_code'] + '/' +
							qs['school_level'] + '/' + showArray);
			}

			for (i=0; i<arrCity.length; i++) {
				if (arrCitySet[i]) {
					map.removeOverlays(arrCity[i]);
					eval(arrCity[i] + " = null");
				}
			}

			for (i in obj.listings) {
				if ("toJSONString" != i) {
					eval(i + " = obj.listings." + i);
				}
			}

			eval("map.addOverlays('" + showArray + "');");

			for (i=0; i<arrCity.length; i++) {
				if (arrCity[i] == showArray) {
					arrNewCitySet[i] = true;
					break;
				}
			}

			setMinMaxLatLong(arrNewCitySet);
			eval("centerByArray('" + showArray + "', true, true);"); // Center and zoom on set of markers

			//getPoly("","county",county_name,qs['stateid']);
		}

		// Add individual markers
		if ((myVal.indexOf('all') == -1) && (myVal != 'all') && (myVal.length)) {
			var temp = myVal.split('=');
			var myArray = temp[0];

			for (i=0; i<arrCity.length; i++) {
				if (arrCity[i] == myArray) {
					var myIndex = parseInt(temp[1]);

					if (arrCitySet[i]) {
						document.getElementById('map').width = "750";
						for (j=0; j<eval(myArray + ".schools.length"); j++) {
							map.removeOverlay(eval(myArray + ".schools[" + String(j) + "].marker"));
						}
					}

					for (j in obj.listings) {
						if ("toJSONString" != j) {
							eval(j + " = obj.listings." + j);
							for (k=0; k<eval(j + ".schools.length"); k++) {
								eval(j + ".schools[k].marker = createMarker(new GLatLng(" + j +
									".schools[k].latitude," + j + ".schools[k].longitude)," + j +
									".schools[k].html,eval(" + j + ".schools[k].icon))");
							}
						}
					}

					if (eval(myArray + ".schools.length")) {
						for (j=0; j<eval(myArray + ".schools.length"); j++) {
							eval("map.addOverlay(" + myArray + ".schools[" + String(j) + "].marker)");
							eval("GEvent.trigger(" + myArray + ".schools[" + String(j) + "].marker,'click')");
						}

						for (j=0; j<arrCity.length; j++) {
							if (arrCity[j] == myArray) {
								arrNewCitySet[j] = true;
								break;
							}
						}
					}

					break;
				}
			}

			setMinMaxLatLong(arrNewCitySet);
			eval("centerByArray('" + myArray + "', true, true);"); // Center and zoom on set of markers

			//getPoly("","county",county_name,qs['stateid']);
		}
	
		// Show all markers
		if (myVal == 'all')
		{
			cntMarker = 0;
			reMaxMin(arrCity[0]);

			for (i=0; i<arrCity.length; i++) {
				if (arrCitySet[i]) {
					map.removeOverlays(arrCity[i]);
					eval(arrCity[i] + " = null");
				}
			}
	
			for (i in obj.listings) {
				if ("toJSONString" != i) {
					eval(i + " = obj.listings." + i);
					map.addOverlays(i);

					for (j=0; j<arrCity.length; j++) {
						if (arrCity[j] == i) {
							arrNewCitySet[j] = true;
							break;
						}
					}

					centerByArray(i, false, false);
					cntMarker += eval(i + ".schools.length");
				}
			}

			if(arrCitySet[0])
			{
				centerByArray(arrCity[0],true, false);
			}

			// If we aren't on the stand alone map, no need to popup a new window for > x markers
			if (!standalone) {
				if (cntMarker > maxMarkers) 
				 // New window depends on whether or not we're on the search page
				 if (location.href.indexOf('nearby_schools.php') == -1)
					window.open(location.href + '/map/all');
				 else
					window.open('/search/' + qs['zipList'] + '/' + qs['radius'] + '/type' +
						qs['school_type_search'] + '/' + qs['school_type_code'] + '/' +
						qs['school_level'] + '/all');
			}
		}
	}

	for (i=0; i<arrCity.length; i++) {
		arrCitySet[i] = arrNewCitySet[i];
	}
}

function setMinMaxLatLong(arrcs) {
	var i, j;
	var bFirst = true;
	var lat, lng;

	for (i=0; i<arrCity.length; i++) {
		if (arrcs[i]) {
			for (j=0; j<eval(arrCity[i] + ".schools.length"); j++) {
				if (bFirst) {
					minlat = eval(arrCity[i] + ".schools[j].latitude");
					maxlat = minlat;
					minlong = eval(arrCity[i] + ".schools[j].longitude");
					maxlong = minlong;

					bFirst = false;
				} else {
					lat = eval(arrCity[i] + ".schools[j].latitude");
					lng = eval(arrCity[i] + ".schools[j].longitude");

					if (lat < minlat) {
						minlat = lat;
					} else if (lat > maxlat) {
						maxlat = lat;
					}

					if (lng < minlong) {
						minlong = lng;
					} else if (lng > maxlong) {
						maxlong = lng;
					}
				}
			}
		}
	}

	return !bFirst;
}

// Takes an array of markers and centers/zooms map based on marker range
function centerByArray(cityName, recenter, newMaxMin)
{
	if (newMaxMin == true)
		reMaxMin(cityName);

	for (var i = 0; i < eval(cityName + ".schools.length"); i++)
	{
		var markLng = eval(cityName + ".schools[i].marker.getPoint().x");
		var markLat = eval(cityName + ".schools[i].marker.getPoint().y");

		if (markLat > maxlat) maxlat = markLat;
		if (markLng > maxlong) maxlong = markLng;
		if (markLat < minlat) minlat = markLat;
		if (markLng < minlong) minlong = markLng;
	}

	if (recenter)
		reCenterMap();
}
// Reinit max/mins
function reMaxMin(cityName)
{
	if (!minlat) {
		return;
	}

	maxlong = eval(cityName + ".schools[0].marker.getPoint().x");
	maxlat = eval(cityName + ".schools[0].marker.getPoint().y");
	minlong = eval(cityName + ".schools[0].marker.getPoint().x");
	minlat = eval(cityName + ".schools[0].marker.getPoint().y");
}

// Recenter map based on global max/mins
function reCenterMap()
{
	if (!minlat) {
		return;
	}

	var bounds = new GLatLngBounds();
	bounds.extend(new GLatLng(minlat, minlong));
	bounds.extend(new GLatLng(maxlat, maxlong));
	var center_lat = (bounds.getNorthEast().lat() +	bounds.getSouthWest().lat()) / 2.0;
	var center_lng = (bounds.getNorthEast().lng() +	bounds.getSouthWest().lng()) / 2.0;
	var center = new GLatLng(center_lat, center_lng);
	var zoom = map.getBoundsZoomLevel(bounds);	
	map.setCenter(center,zoom);
	map.setCenter(center,10);
/*
	var center = new GPoint( (maxlong + minlong)/2, (maxlat+minlat)/2 );
	var delta = new GSize(maxlong - minlong, maxlat - minlat); 
	var minZoom = map.spec.getLowestZoomLevel(center, delta, map.viewSize);
	if (minZoom < 4) minZoom = 4; // Lowest possible zoom is 4
	map.centerAndZoom(center, minZoom); 
*/
}

function myServerCallback(data) {
	var obj;

//alert(data);
//document.getElementById("divmsg").appendChild(document.createElement("br"));
//document.getElementById("divmsg").appendChild(document.createTextNode(data));
	if (data) {
		obj = data.parseJSON();

		if (obj) {
			switch (obj.cmd) {
				case "LIST":
					showListings(obj);

					break;
				default:
					break;
			}

			actionID++;
		}
	}
}