if (document.images)
   {
    pic1on = new Image();
    pic1off = new Image();
    pic2on = new Image();
    pic2off = new Image();
    pic3on = new Image();
    pic3off = new Image();
    pic4on = new Image();
    pic4off = new Image();
    pic5on = new Image();
    pic5off = new Image();
    pic6on = new Image();
    pic6off = new Image();
	
    pic1on.src = "squelettes/images/m1on.png";
    pic1off.src = "squelettes/images/m1.png";
    pic2on.src = "squelettes/images/m2on.png";
    pic2off.src = "squelettes/images/m2.png";
    pic3on.src = "squelettes/images/m3on.png";
    pic3off.src = "squelettes/images/m3.png";
    pic4on.src = "squelettes/images/m4on.png";
    pic4off.src = "squelettes/images/m4.png";
    pic5on.src = "squelettes/images/m5on.png";
    pic5off.src = "squelettes/images/m5.png";
    pic6on.src = "squelettes/images/m6on.png";
    pic6off.src = "squelettes/images/m6.png";
   }
function turnOn(imageName)
   {
    if (document.images != null)
       {
        document[imageName].src =
            eval(imageName.substring(0, imageName.length - 1) + "on.src");
       }
   }
function turnOff(imageName)
   {
    if (document.images != null)
       {
        document[imageName].src =
            eval(imageName.substring(0, imageName.length - 1) + "off.src");
       }
   }