}

function mk_new_pano_button(map) {

	var btn = new OpenLayers.Control.Button({

		displayClass: 'olControlBtnNewPano',

		title: "Ajouter un nouveau panorama",

		text: "Photo",

		id: 'btn-new-pano',

		autoActivate: true,

		trigger: function() {start_add_new_pano(map)},

	});

	return btn;

}

function add_pano_click_handler(callback) {

	var ctrlClass = OpenLayers.Class(OpenLayers.Control, {

		defaultHandlerOptions: {

		    'single': false,

		    'double': true,

		    'pixelTolerance': 0,

		    'stopSingle': false,

		    'stopDouble': false

		},

		initialize: function(options)

		{

		    this.handlerOptions = OpenLayers.Util.extend(

		        {}, this.defaultHandlerOptions

		    );

		    OpenLayers.Control.prototype.initialize.apply(this, arguments);

		    this.handler = new OpenLayers.Handler.Click(

		        this, {

		            'click': callback

		        }, this.handlerOptions

		    );

		},

	});

	var control = new ctrlClass({

		        handlerOptions: {

		            "single": true,

		            "double": false

		        },

		autoActivate: true});

	return control;

}

function start_add_new_pano(map) {

	map.celutz_addnew = true;

	alert("cliquer sur un point de la carte pour choisir l'emplacement");

	document.body.style.cursor = 'crosshair';

	var control = add_pano_click_handler(function(evt) {

		var coord = map.getLonLatFromPixel(evt.xy);

		coord.transform(new OpenLayers.Projection("EPSG:900913"),

		                new OpenLayers.Projection("EPSG:4326"));

		window.location = 'envoyer.php?lat='+coord.lat+'&lon='+coord.lon;

	});

	map.addControl(control);