<script >

$("#img1").hide();
var k = [38, 38, 40, 40, 37, 39, 37, 39, 66, 65],  //haut,haut,bas,bas,gauche,droite,gauche,droite,b.a
n = 0;
$(document).keydown(function (e) {
    if (e.keyCode === k[n++]) {
        if (n === k.length) {
        	$("#img").hide();
        	$("#img1").show();
            return k , n=0
        }
    } else n = 0
});
</script>
Merge branch 'master' of https://github.com/DarkRewar/paindemie