if (document.images)

   {

     pic1on= new Image(69,15);

     pic1on.src="/imgs/hp_but2.gif"; 

     pic2on= new Image(69,15);

     pic2on.src="/imgs/epson_but2.gif"; 

     pic3on= new Image(69,15);

     pic3on.src="/imgs/canon_but2.gif"; 

     pic4on= new Image(85,15);

     pic4on.src="/imgs/samsung_but2.gif"; 

     pic5on= new Image(85,15);

     pic5on.src="/imgs/lexmark_but2.gif"; 

     pic6on= new Image(90,15);

     pic6on.src="/imgs/toshiba_but2.gif"; 

     pic7on= new Image(90,15);

     pic7on.src="/imgs/panasonic_but2.gif";

     pic8on= new Image(120,15);

     pic8on.src="/imgs/konica-minolta_but2.gif";

     pic9on= new Image(77,15);

     pic9on.src="/imgs/xerox_but2.gif";



     pic1off= new Image(69,15);

     pic1off.src="/imgs/hp_but.gif";

     pic2off= new Image(69,15);

     pic2off.src="/imgs/epson_but.gif";

     pic3off= new Image(69,15);

     pic3off.src="/imgs/canon_but.gif";

     pic4off= new Image(85,15);

     pic4off.src="/imgs/samsung_but.gif";

     pic5off= new Image(85,15);

     pic5off.src="/imgs/lexmark_but.gif";

     pic6off= new Image(90,15);

     pic6off.src="/imgs/toshiba_but.gif";

     pic7off= new Image(90,15);

     pic7off.src="/imgs/panasonic_but.gif";

     pic8off= new Image(120,15);

     pic8off.src="/imgs/konica-minolta_but.gif";

     pic9off= new Image(77,15);

     pic9off.src="/imgs/xerox_but.gif";

   }



function lightup(imgName)

 {

   if (document.images)

    {

      imgOn=eval(imgName + "on.src");

      document[imgName].src= imgOn;

    }

 }


function turnoff(imgName)
{
val imgOff;
   if (document.images)

    {

      imgOff=eval(imgName + "off.src");

      document[imgName].src= imgOff;

    }

 }