function ChangeIMG0() 
{ 
    document.item0.src="../images/logo_light_on.gif"  
}
function ChangeIMG0Back() 
{ 
    document.item0.src="../images/logo_light_off.gif"  
}
function ChangeIMG1() 
{ 
    document.item1.src="../images/logo_light_on.gif"  
}
function ChangeIMG1Back() 
{ 
    document.item1.src="../images/logo_light_off.gif"  
}
function ChangeIMG2() 
{ 
    document.item2.src="../images/logo_light_on.gif"  
}
function ChangeIMG2Back() 
{ 
    document.item2.src="../images/logo_light_off.gif"  
}
function ChangeIMG3() 
{ 
    document.item3.src="../images/logo_light_on.gif"  
}
function ChangeIMG3Back() 
{ 
   document.item3.src="../images/logo_light_off.gif"  
}
function ChangeIMG4() 
{ 
    document.item4.src="../images/logo_light_on.gif"  
}
function ChangeIMG4Back() 
{ 
    document.item4.src="../images/logo_light_off.gif"  
}
function ChangeIMG5() 
{ 
    document.item5.src="../images/logo_light_on.gif"  
}
function ChangeIMG5Back() 
{ 
    document.item5.src="../images/logo_light_off.gif"  
}
function ChangeIMG6() 
{ 
    document.item6.src="../images/logo_light_on.gif"  
}
function ChangeIMG6Back() 
{ 
    document.item6.src="../images/logo_light_off.gif"  
}
function ChangeIMG7() 
{ 
    document.item7.src="../images/logo_light_on.gif"  
}
function ChangeIMG7Back() 
{ 
    document.item7.src="../images/logo_light_off.gif"  
}
function ChangeIMG8() 
{ 
    document.item8.src="../images/logo_light_on.gif"  
}
function ChangeIMG8Back() 
{ 
    document.item8.src="../images/logo_light_off.gif"  
}
function ChangeIMG9() 
{ 
    document.item9.src="../images/logo_light_on.gif"  
}
function ChangeIMG9Back() 
{ 
    document.item9.src="../images/logo_light_off.gif"  
}
function ChangeIMG10() 
{ 
    document.item10.src="../images/logo_light_on.gif"  
}
function ChangeIMG10Back() 
{ 
    document.item10.src="../images/logo_light_off.gif"  
}
function ChangeIMG11() 
{ 
    document.item11.src="../images/logo_light_on.gif"  
}
function ChangeIMG11Back() 
{ 
    document.item11.src="../images/logo_light_off.gif"  
}
function ChangeIMG12() 
{ 
    document.item12.src="../images/logo_light_on.gif"  
}
function ChangeIMG12Back() 
{ 
    document.item12.src="../images/logo_light_off.gif"  
}