var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create });

function preload() {

    //  You can fill the preloader with as many assets as your game requires

    //  Here we are loading an image. The first parameter is the unique
    //  string by which we'll identify the image later in our code.

    //  The second parameter is the URL of the image (relative)
    game.load.image('einstein', 'assets/pics/ra_einstein.png');
}

function create() {

    //  This creates a simple sprite that is using our loaded image and
    //  displays it on-screen
    //  and assign it to a variable
    var image = game.add.sprite(0, 0, 'einstein');

    //enables all kind of input actions on this image (click, etc)
    image.inputEnabled=true;

    image.events.onInputDown.add(listener,this);



}

function listener () {
    alert('clicked');
}