function mover(m1, m2, m3) {//не вставлен агрумент
eval("document.getElementById('"+m1+"').style.backgroundImage='url(images/menu-l.gif)'");
eval("document.getElementById('"+m2+"').style.backgroundImage='url(images/menu-l.gif)'");
eval("document.getElementById('"+m3+"').style.backgroundImage='url(images/menu-l.gif)'");
}
function mout(m1, m2, m3) {
eval("document.getElementById('"+m1+"').style.backgroundImage=''");
eval("document.getElementById('"+m2+"').style.backgroundImage=''");
eval("document.getElementById('"+m3+"').style.backgroundImage=''");
}