function on1() {
document.getElementById('podbor_01').style.background="#d67400";
document.getElementById('podp1').style.color="#faf022";
document.but_01.src = "/img/header_cat_01_a.jpg";
}

function off1() {
document.getElementById('podbor_01').style.background="#f0f0f0";
document.getElementById('podp1').style.color="#d67400";
document.but_01.src = "/img/header_cat_01.jpg";
}

function on2() {
document.getElementById('podbor_02').style.background="#d67400";
document.getElementById('podp2').style.color="#faf022";
document.but_02.src = "/img/header_cat_02_a.jpg";
}

function off2() {
document.getElementById('podbor_02').style.background="#f0f0f0";
document.getElementById('podp2').style.color="#d67400";
document.but_02.src = "/img/header_cat_02.jpg";
}

function on3() {
document.getElementById('podbor_03').style.background="#d67400";
document.getElementById('podp3').style.color="#faf022";
document.but_03.src = "/img/header_cat_03_a.jpg";
}

function off3() {
document.getElementById('podbor_03').style.background="#f0f0f0";
document.getElementById('podp3').style.color="#d67400";
document.but_03.src = "/img/header_cat_03.jpg";
}