function imgOn(imgName) {
      if (document.images) {
        document[imgName].src = eval(imgName + "on.src");
        }
  }

  function imgOff(imgName) {
    if (document.images) {
          document[imgName].src = eval(imgName + "off.src");
        }
  }

if (document.images) {
        img1on = new Image();
	img1on.src="showroom1.jpg"
        img1off = new Image();
        img1off.src="showroom.jpg"

        img2on = new Image();
        img2on.src="techteam1.jpg"
        img2off = new Image();
        img2off.src="techteam.jpg"

        img3on = new Image();
        img3on.src="range1.jpg"
        img3off = new Image();
        img3off.src="range.jpg"

        img4on = new Image();
	img4on.src="print1.jpg"
        img4off = new Image();
        img4off.src="print.jpg"

        img5on = new Image();
        img5on.src="copy1.jpg"
        img5off = new Image();
        img5off.src="copy.jpg"

        img6on = new Image();
        img6on.src="scan1.jpg"
        img6off = new Image();
        img6off.src="scan.jpg"

        img7on = new Image();
        img7on.src="fax1.jpg"
        img7off = new Image();
        img7off.src="fax.jpg"

        }