function save_point (lat, lon, images, name) {
	var imgstr='';
	for( i=0; i<images.length; i++) {
		imgstr+='&images[]='+images[i];
	}
	send_http_req('/request.php?action=save_point&lat='+lat+'&lon='+lon+'&name='+name+imgstr, false, true);
}
function add_upload_field () {
	var uploadField = document.createElement('input');
	var br = document.createElement('br');
	uploadField.setAttribute('type', 'file');
	uploadField.setAttribute('name', 'image[]');
	document.getElementById('more_upload_fields').appendChild(uploadField);	
	document.getElementById('more_upload_fields').appendChild(br);	
}
function save_view (center_lat, center_lon, zoom, ne_lat, ne_lon, sw_lat, sw_lon, name) {
	send_http_req('/request.php?action=save_area&center_lat='+center_lat+
			'&center_lon='+center_lon+
			'&zoom='+zoom+
			'&ne_lat='+ne_lat+
			'&ne_lon='+ne_lon+
			'&sw_lat='+sw_lat+
                        '&sw_lon='+sw_lon+
			'&name='+name

		,false, true);
}

function is_logged_in () {
	return logged_in;
}

function get_unused_photos (point_id, outputTarget) {
	send_http_req('/request.php?action=get_unused_photos&point_id='+point_id, outputTarget, false);	
}

function get_number_of_photos (point_id, outputTarget) {
	send_http_req('/request.php?action=get_number_of_photos&point_id='+point_id, outputTarget, false);
}