biur_1 = new Image()
biur_1.src = "clipart/biurko_11.jpg"
biur_2 = new Image()
biur_1.src = "clipart/biurko_21.jpg"

function col(a, b) {
a.style.background = b;
}
function bor(a, b) {
a.src = b;
}
function kol(a, b, c, d) {
a.style.background = b;
c.style.color = d;
}
function openW(c) {
location=c 
}
function openWin(c, d) {
var subWindow = window.open(c,"",d) 
}
function odp() {
}