if (document.images) {image1on = new Image();image1on.src = "image/logo/canon.jpeg";image1off = new Image();image1off.src = "image/logo/canon1.jpeg";}
function turnOn(imageName) {if (document.images) {document[imageName].src = eval(imageName + "on.src");}}
function turnOff(imageName) {if (document.images) {document[imageName].src = eval(imageName + "off.src");}}

if (document.images) {image2on = new Image();image2on.src = "image/logo/epson.jpeg";image2off = new Image();image2off.src = "image/logo/epson1.jpeg";}
function turnOn(imageName) {if (document.images) {document[imageName].src = eval(imageName + "on.src");}}
function turnOff(imageName) {if (document.images) {document[imageName].src = eval(imageName + "off.src");}}

if (document.images) {image3on = new Image();image3on.src = "image/logo/xerox.jpeg";image3off = new Image();image3off.src = "image/logo/xerox1.jpeg";}
function turnOn(imageName) {if (document.images) {document[imageName].src = eval(imageName + "on.src");}}
function turnOff(imageName) {if (document.images) {document[imageName].src = eval(imageName + "off.src");}}

if (document.images) {image4on = new Image();image4on.src = "image/logo/samsung.jpeg";image4off = new Image();image4off.src = "image/logo/samsung1.jpeg";}
function turnOn(imageName) {if (document.images) {document[imageName].src = eval(imageName + "on.src");}}
function turnOff(imageName) {if (document.images) {document[imageName].src = eval(imageName + "off.src");}}

if (document.images) {image5on = new Image();image5on.src = "image/logo/oki.jpg";image5off = new Image();image5off.src = "image/logo/oki1.jpg";}
function turnOn(imageName) {if (document.images) {document[imageName].src = eval(imageName + "on.src");}}
function turnOff(imageName) {if (document.images) {document[imageName].src = eval(imageName + "off.src");}}

if (document.images) {image6on = new Image();image6on.src = "image/logo/hp.jpeg";image6off = new Image();image6off.src = "image/logo/hp1.jpeg";}
function turnOn(imageName) {if (document.images) {document[imageName].src = eval(imageName + "on.src");}}
function turnOff(imageName) {if (document.images) {document[imageName].src = eval(imageName + "off.src");}}

if (document.images) {image7on = new Image();image7on.src = "image/logo/sharp.jpeg";image7off = new Image();image7off.src = "image/logo/sharp1.jpeg";}
function turnOn(imageName) {if (document.images) {document[imageName].src = eval(imageName + "on.src");}}
function turnOff(imageName) {if (document.images) {document[imageName].src = eval(imageName + "off.src");}}

if (document.images) {image8on = new Image();image8on.src = "image/logo/lexmark.jpg";image8off = new Image();image8off.src = "image/logo/lexmark1.jpg";}
function turnOn(imageName) {if (document.images) {document[imageName].src = eval(imageName + "on.src");}}
function turnOff(imageName) {if (document.images) {document[imageName].src = eval(imageName + "off.src");}}