var FBSWMS_LATEST_ORTHO='FBSWMS_LATEST_ORTHO';var FBSWMS_2010_ORTHO='FBSWMS_2010_ORTHO';var FBSWMS_2009_ORTHO='FBSWMS_2009_ORTHO';var FBSWMS_2008_ORTHO='FBSWMS_2008_ORTHO';var FBSWMS_2007_ORTHO='FBSWMS_2007_ORTHO';var FBSWMS_2006_ORTHO='FBSWMS_2006_ORTHO';var FBSWMS_2002_ORTHO='FBSWMS_2002_ORTHO';function WMSGoogleTileLayer (layer, uid, options) {
	
	this.layer = layer;
	this.uid = uid;
	this.wmsUrl = 'http://fbswms.firstbasesolutions.com/tilecache.php?';
	this.maxServers = 4;
	this.minServers = 1;
	
	this.options = {
			isPng      		 	: true,
			minimumZoomLevel 	: 0,
			maximumZoomLevel 	: 19,
			numServers			: 4,
			opacity				: 1
	};
	
	for (opt in options) {
		this.options[opt] = options[opt];
	}
	
	if (this.options.numServers > this.maxServers) {
		this.options.numServers = this.maxServers;
	} else if (this.options.numServers < this.minServers) {
		this.options.numServers = this.minServers;
	}
	
}

WMSGoogleTileLayer.prototype = new GTileLayer();

WMSGoogleTileLayer.prototype.getTileUrl = function (point, zoom) {
	
	var lBbox= point.x + "," + point.y + "," + zoom;

	var url = this.wmsUrl;
	var randomHostNumber = ((point.x + point.y) % this.options.numServers);
	url = url.replace('http://fbswms.', 'http://fbswms' + randomHostNumber + '.');
	
	url += "&UID=" + this.uid;
	url += "&HID=" + location.hostname;
	url += "&LAYERS=" + this.layer;
	url += "&x=" + point.x;
	url += "&y=" + point.y;
	url += "&z=" + zoom;	
	url += "&REQUEST=Tiles";

	return url;	
	
};

WMSGoogleTileLayer.prototype.getOpacity = function () {
	return this.options.opacity;
}

WMSGoogleTileLayer.prototype.getCopyright = function (bounds, zoom) {
	return "&copy;2009 First Base Solutions";
};

WMSGoogleTileLayer.prototype.isPng = function () {
	return this.options.isPng;
};

WMSGoogleTileLayer.prototype.minResolution = function () {
	return this.options.minimumZoomLevel;
};

WMSGoogleTileLayer.prototype.maxResolution = function () {
	return this.options.maximumZoomLevel;
};

window['WMSGoogleTileLayer'] = WMSGoogleTileLayer;
WMSGoogleTileLayer.prototype['getOpacity'] = WMSGoogleTileLayer.prototype.getOpacity;
WMSGoogleTileLayer.prototype['getCopyright'] = WMSGoogleTileLayer.prototype.getCopyright;
WMSGoogleTileLayer.prototype['isPng'] = WMSGoogleTileLayer.prototype.isPng;
WMSGoogleTileLayer.prototype['minResolution'] = WMSGoogleTileLayer.prototype.minResolution;
WMSGoogleTileLayer.prototype['maxResolution'] = WMSGoogleTileLayer.prototype.maxResolution;
WMSGoogleTileLayer.prototype['getTileUrl'] = WMSGoogleTileLayer.prototype.getTileUrl;