old_contents: gfxRessources = {
  	createPlayerGfx: function(rsr) {
  		return rsr.image("/img/rod-mand.png", 0, 0, 20, 10);
  	},
  	createRandomPlayerGfx: function(paper) {
  		var images = ["/img/rod-mand.png"];
  		
  		var image = Math.floor(Math.random() * images.length);
  		
  		return rsr.image(image, 0, 0, 20, 10);
  	},
  	
  	createBackgroundTile: function(tile) {
  		return tile.image("/img/grass.png", 0, 0, 178, 178);
  	},
  	createHeart: function(tile) {
  		return tile.image("/img/heart.png", 0, 0, 124, 109);
  	}
  };
  
new_contents: gfxRessources = {
  	createPlayerGfx: function(rsr) {
  		return rsr.image("/img/rod-mand.png", 0, 0, 20, 10);
  	},
  	createRandomPlayerGfx: function(paper) {
  		var images = ["/img/rod-mand.png","/img/blu-mand.png"];
  		
  		var image = Math.floor(Math.random() * images.length);
  		
  		return rsr.image(image, 0, 0, 20, 10);
  	},
  	
  	createBackgroundTile: function(tile) {
  		return tile.image("/img/grass.png", 0, 0, 178, 178);
  	},
  	createHeart: function(tile) {
  		return tile.image("/img/heart.png", 0, 0, 124, 109);
  	}
  };
  
subject: Add char to array