/*
on precharge les images de substitution
*/
i1 = new Image;
i1.src = "images/trophee-lancome_ref.jpg";
i2 = new Image;
i2.src = "images/polo-baguatelle_ref.jpg";
i3 = new Image;
i3.src = "images/festival-montereau_ref.jpg";
i4 = new Image;
i4.src = "images/convention-vivendi_ref.jpg";
i5 = new Image;
i5.src = "images/art-jardin_ref.jpg";
i6 = new Image;
i6.src = "images/an-chinois_ref.jpg";
i7 = new Image;
i7.src = "images/rock-seine_ref.jpg";
i8 = new Image;
i8.src = "images/agriculture_ref.jpg";
i9 = new Image;
i9.src = "images/homme-ref.gif";
i10 = new Image;
i10.src = "images/marionnaud_ref.jpg";
i11 = new Image;
i11.src = "images/patinoire_ref.jpg";
i12 = new Image;
i12.src = "images/loisirs-motorises_ref.jpg";