CD = (new String(document.location).search(/http/)!=0) ? true : false;

img1on = new Image();img1on.src = "blanc_blanc.gif";
img1off = new Image();img1off.src = "blanc_rouge.gif";
img2on = new Image();img2on.src = "rouge_blanc.gif";
img2off = new Image();img2off.src = "rouge_rouge.gif";
img3on = new Image();img3on.src = "tube_eteint.jpg";
img3off = new Image();img3off.src = "tube_allume.jpg";

function img1On (imgName) {document[imgName].src = img1on.src;}
function img1Off (imgName) {document[imgName].src = img1off.src;}
function img2On (imgName) {document[imgName].src = img2on.src;}
function img2Off (imgName) {document[imgName].src = img2off.src;}

function img3On (imgName) {document[imgName].src = img3on.src;}
function img3Off (imgName) {document[imgName].src = img3off.src;}