if (document.images) {
	var Aboutoff = new Image();
	Aboutoff.src = "images/d2.png";
	var Abouton = new Image();
	Abouton.src =  "images/l2.png";
	var Aboutdown = new Image();
Aboutdown.src =  "images/l2.png";

	var Downloadsoff = new Image();
	Downloadsoff.src = "images/d3.png";
	var Downloadson = new Image();
	Downloadson.src =  "images/l3.png";
	var Downloadsdown = new Image();
Downloadsdown.src =  "images/l3.png";

	var Guestbookoff = new Image();
	Guestbookoff.src = "images/d4.png";
	var Guestbookon = new Image();
	Guestbookon.src =  "images/l4.png";
	var Guestbookdown = new Image();
Guestbookdown.src =  "images/l4.png";

	var Previewsoff = new Image();
	Previewsoff.src = "images/d5.png";
	var Previewson = new Image();
	Previewson.src =  "images/l5.png";
	var Previewsdown = new Image();
Previewsdown.src =  "images/l5.png";

	var Contactoff = new Image();
	Contactoff.src = "images/d6.png";
	var Contacton = new Image();
	Contacton.src =  "images/l6.png";
	var Contactdown = new Image();
Contactdown.src =  "images/l6.png";

	var Logooff = new Image();
	Logooff.src = "images/dark.png";
	var Logoon = new Image();
	Logoon.src =  "images/light.png";
	var Logodown = new Image();
Logodown.src =  "images/light.png";
	
}

function getOff(nom)
	{
	if (document.images) {
		document.images[nom].src = eval(nom + 'off').src;
	}
}
function getOn(nom)
	{
	if (document.images) {
		document.images[nom].src = eval(nom + 'on').src;
	}
}
function getDown(nom)
	{
	if (document.images) {
		document.images[nom].src = eval(nom + 'down').src;
	}
}