function preloadImg () {
	var loadImg = new Array("images/travel_stills_001.jpg", "images/travel_stills_002.jpg", "images/travel_stills_003.jpg", "images/travel_stills_004.jpg", "images/travel_stills_005.jpg", "images/travel_stills_006.jpg", "images/travel_stills_007.jpg", "images/travel_stills_008.jpg", "images/travel_stills_009.jpg", "images/travel_stills_0010.jpg", "images/travel_stills_011.jpg", "images/travel_stills_012.jpg", "images/travel_stills_013.jpg", "images/travel_stills_014.jpg", "images/travel_stills_015.jpg");
	// lorsqu'une image est rajoutée, insérer l'image (path) dans l'array loadImg
	// le for loop se charge de faire le preload.
	var preloadImg = new Array();
	for(i = 0; i < loadImg.length; i++) {
		preloadImg[i] = new Image();
		preloadImg[i].src = loadImg[i];
	}
}