<!--
function ChandeAbz1() {
if (abz1.style.display=='none') {
abz1.style.display='block';
}
else {
abz1.style.display='none';
}
}
function ChandeAbz2() {
if (abz2.style.visibility=='hidden') {
abz2.style.visibility='visible';
}
else {
abz2.style.visibility='hidden';
}
}
// -->