lock=0;
        
function r(hval)
{
if ( lock == 0 ) {
document.bgColor=hval;
document.f.c.value=hval;
document.f.d.value=hval;
}
}
        
function l()
{
if (lock == 0) {
lock = 1;
                
}
else {
lock = 0;
                                
}
}