m8_off = new Image(65, 28);
m8_off.src = "images/contacts_off.gif";
m8_on = new Image(65, 28);
m8_on.src = "images/contacts_on.gif";

m9_off = new Image(59, 28);
m9_off.src = "images/english_off.gif";
m9_on = new Image(59, 28);
m9_on.src = "images/english_on.gif";

m10_off = new Image(67, 28);
m10_off.src = "images/russian_off.gif";
m10_on = new Image(67, 28);
m10_on.src = "images/russian_on.gif";

m11_off = new Image(63, 28);
m11_off.src = "images/spanish_off.gif";
m11_on = new Image(63, 28);
m11_on.src = "images/spanish_on.gif";

c1_off = new Image(50, 50);
c1_off.src = "images/cont2.gif";
c1_on = new Image(50, 50);
c1_on.src = "images/cont3.gif";

c2_off = new Image(350, 42);
c2_off.src = "images/contmail1.gif";
c2_on = new Image(350, 42);
c2_on.src = "images/contmail2.gif";

function imgAct(name) {
  imgOn = eval(name + "_on.src");
  imgName = name;
  document [imgName].src = imgOn;
}

function imgInact(name) {
  imgOn = eval(name + "_off.src");
  imgName = name;
  document [imgName].src = imgOn;
}

ifContacts = 0;

function showContacts() {

  if (ifContacts == 0) {

  agt=navigator.userAgent.toLowerCase();
  is_ie = (agt.indexOf("msie") != -1);

  if(is_ie) {
    iW = "document.body.clientWidth";
    iH = "document.body.clientHeight";
  } else {
    iW = "window.innerWidth";
    iH = "window.innerHeight";
  }

  newx = eval(iW);
  newy = eval(iH);

  newx = (newx - 350) / 2;
  newy = (newy - 140) / 2;

  document.getElementById("adv").style.left = newx;
  document.getElementById("adv").style.top = newy;
  document.getElementById("adv").style.visibility = "visible";

  ifContacts = 1;

  } else {

  document.getElementById("adv").style.visibility = "hidden";

  ifContacts = 0;

  }

}