if (parent.location.href != window.location.href) 
  parent.location.href = window.location.href;

if (document.images)
{
ch1on  = new Image(77,28); ch1on.src  = 'img/1on.jpg';
ch1off = new Image(77,28); ch1off.src = 'img/1off.jpg';
ch2on  = new Image(77,28); ch2on.src  = 'img/2on.jpg';
ch2off = new Image(77,28); ch2off.src = 'img/2off.jpg';
ch3on  = new Image(77,28); ch3on.src  = 'img/3on.jpg';
ch3off = new Image(77,28); ch3off.src = 'img/3off.jpg';
ch4on  = new Image(77,28); ch4on.src  = 'img/4on.jpg';
ch4off = new Image(77,28); ch4off.src = 'img/4off.jpg';
ch5on  = new Image(77,28); ch5on.src  = 'img/5on.jpg';
ch5off = new Image(77,28); ch5off.src = 'img/5off.jpg';
ch6on  = new Image(77,28); ch6on.src  = 'img/6on.jpg';
ch6off = new Image(77,28); ch6off.src = 'img/6off.jpg';
ch7on  = new Image(77,28); ch7on.src  = 'img/7on.jpg';
ch7off = new Image(77,28); ch7off.src = 'img/7off.jpg';
}
function on(Name)
{
if (document.images)
{
document[Name].src= eval(Name + "on.src");
}
}
function off(Name)
{
if (document.images)
{
document[Name].src= eval(Name + "off.src");
}
}