pic1on= new Image(182,23);
     pic1on.src="/images_lf/about_us2.jpg";
     pic2on= new Image(182,31);
     pic2on.src="/images_lf/services2.jpg";
     pic3on= new Image(182,31);
     pic3on.src="/images_lf/support2.jpg";
     pic4on= new Image(182,31);
     pic4on.src="/images_lf/press2.jpg";
     pic5on= new Image(182,33);
     pic5on.src="/images_lf/advertise2.jpg";
     pic6on= new Image(182,31);
     pic6on.src="/images_lf/contact2.jpg";

     pic1off= new Image(182,23);
     pic1off.src="/images_lf/about_us.jpg";
     pic2off= new Image(182,31);
     pic2off.src="/images_lf/services.jpg";
     pic3off= new Image(182,31);
     pic3off.src="/images_lf/support.jpg";
     pic4off= new Image(182,31);
     pic4off.src="/images_lf/press.jpg";
     pic5off= new Image(182,33);
     pic5off.src="/images_lf/advertise.jpg";
     pic6off= new Image(182,31);
     pic6off.src="/images_lf/contact.jpg";

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

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