i0 = new Image;
i0.src = racine+"i-loading.gif";
i1 = new Image;
i1.src = racine+"i-fond_menu_hover.png";
i2 = new Image;
i2.src = racine+"i-fond_menu_off.png";
i3 = new Image;
i3.src = racine+"i-fond_menu_on.png";