function light_on1 () { document.menulable1.src='menu-labels/home-on.jpg' } ;
function light_on2 () { document.menulable2.src='menu-labels/contact-on.jpg' } ;
function light_on3 () { document.menulable3.src='menu-labels/aboutsa-on.jpg' } ;
function light_on4 () { document.menulable4.src='menu-labels/tours-on.jpg' } ;
function light_on5 () { document.menulable5.src='menu-labels/soccer-on.jpg' } ;
function light_on6 () { document.menulable6.src='menu-labels/accommodation-on.jpg' } ;
function light_off1 () { document.menulable1.src='menu-labels/home-off.jpg' } ;
function light_off2 () { document.menulable2.src='menu-labels/contact-off.jpg' } ;
function light_off3 () { document.menulable3.src='menu-labels/aboutsa-off.jpg' } ;
function light_off4 () { document.menulable4.src='menu-labels/tours-off.jpg' } ;
function light_off5 () { document.menulable5.src='menu-labels/soccer-off.jpg' } ;
function light_off6 () { document.menulable6.src='menu-labels/accommodation-off.jpg' } ;