function zmienKlase(co, naCo) { document.getElementById(co).className = naCo}
function rysunek(w,s,src,tyt)
{
okienko=window.open("", "","toolbar=no,menubar=no,location=no,personalbar=no,scrollbars=no,status=no,directories=no,resizable=no,height="+w+",width="+s+",left="+(screen.width-s)/2+",top="+(screen.height-w)/2);
okienko.document.write(""+tyt+"");
okienko.focus();
}