var NAVIGATION_REQUEST_START = "START";
var NAVIGATION_REQUEST_RESUME_ALL = "RESUME ALL";
var NAVIGATION_REQUEST_CONTINUE = "CONTINUE";
var NAVIGATION_REQUEST_PREVIOUS = "PREVIOUS";
var NAVIGATION_REQUEST_FORWARD = "FORWARD";
var NAVIGATION_REQUEST_BACKWARD = "BACKWARD";
var NAVIGATION_REQUEST_CHOICE = "CHOICE";
var NAVIGATION_REQUEST_EXIT = "EXIT";
var NAVIGATION_REQUEST_EXIT_ALL = "EXIT ALL";
var NAVIGATION_REQUEST_SUSPEND_ALL = "SUSPEND ALL";
var NAVIGATION_REQUEST_ABANDON = "ABANDON";
var NAVIGATION_REQUEST_ABANDON_ALL = "ABANDON ALL";
var NAVIGATION_REQUEST_NOT_VALID = "INVALID";

var NAVIGATION_REQUEST_DISPLAY_MESSAGE = "DISPLAY MESSAGE";
var NAVIGATION_REQUEST_EXIT_PLAYER = "EXIT PLAYER";

function NavigationRequest(type, targetActivity, messageToUser){
	this.Type = type;
	this.TargetActivity = targetActivity;
	this.MessageToUser = messageToUser;
}

NavigationRequest.prototype.toString = function (){
return "Type=" + this.Type + ", TargetActivity=" + this.TargetActivity + ", MessageToUser=" + this.MessageToUser;
};