function set_base(i) {
  document.form1.base[i].checked = true;
}
function cancel_base() {
    for( i=0; i<9; i++ ){ 
	document.form1.base[i].checked = false;
    }
}

function set_red(i) {
    if( document.form1.red[i].checked == false ){
	document.form1.red[i].checked = true;
    }else{
	document.form1.red[i].checked = false;
    }
}

function set_blue(i) {
    if( document.form1.blue[i].checked == false ){
	document.form1.blue[i].checked = true;
    }else{
	document.form1.blue[i].checked = false;
    }
}

function set_green(i) {
    if( document.form1.green[i].checked == false ){
	document.form1.green[i].checked = true;
    }else{
	document.form1.green[i].checked = false;
    }
}

function set_green_choco(i) {
    if( document.form1.green.checked == false ){
	document.form1.green.checked = true;
    }else{
	document.form1.green.checked = false;
    }
}

function set_plate(i) {
  document.form1.plate[i].checked = true;
}