i1 = new Image; i1.src = "images/home_over.png";
		i2 = new Image; i2.src = "images/references_over.png";
		i3 = new Image; i3.src = "images/web_over.png";
		i4 = new Image; i4.src = "images/telephonie_over.png";
		i5 = new Image; i5.src = "images/informatique_over.png";
		i6 = new Image; i6.src = "images/formation_over.png";
		i7 = new Image; i7.src = "images/contact_over.png";