function compare(id){

window.open('index.php?mmm=compare&id='+id,'popup','scrollbars=yes,left='+(screen.width-600)/2+',top=30,width=590');

}

dom = (document.getElementById) ? true : false;
nn4 = (document.layers) ? true : false;
ie = (document.all) ? true : false;
ie4 = ie && !dom;
function changeElem2(elemId)
{
if(document.layers)return;
if(dom)
if(document.getElementById(elemId).style.display == "block"){
document.getElementById(elemId).style.display = "none"
}
else{
document.getElementById(elemId).style.display = "block"
}
else if (ie4)
if(document.all[elemId].style.display == "block"){
document.all[elemId].style.display = "none";
}
else{
document.all[elemId].style.display = "block";
}
}


/*
var loaded = false
onload = load

function load()
{
  loaded = true
}

if (document.images)
{
  opt_hotels_BtnOut = new Image()
  opt_hotels_BtnOut.src = "img/menu_hotels_off.gif"
  opt_hotels_BtnOver = new Image()
  opt_hotels_BtnOver.src = "img/menu_hotels_hover.gif"

  opt_restaurants_BtnOut = new Image()
  opt_restaurants_BtnOut.src = "img/menu_restaurants_off.gif"
  opt_restaurants_BtnOver = new Image()
  opt_restaurants_BtnOver.src = "img/menu_restaurants_hover.gif"

  opt_service_BtnOut = new Image()
  opt_service_BtnOut.src = "img/menu_service_off.gif"
  opt_service_BtnOver = new Image()
  opt_service_BtnOver.src = "img/menu_service_hover.gif"

  opt_news_BtnOut = new Image()
  opt_news_BtnOut.src = "img/menu_news_off.gif"
  opt_news_BtnOver = new Image()
  opt_news_BtnOver.src = "img/menu_news_hover.gif"

  opt_about_BtnOut = new Image()
  opt_about_BtnOut.src = "img/menu_about_off.gif"
  opt_about_BtnOver = new Image()
  opt_about_BtnOver.src = "img/menu_about_hover.gif"

  opt_contacts_BtnOut = new Image()
  opt_contacts_BtnOut.src = "img/menu_contacts_off.gif"
  opt_contacts_BtnOver = new Image()
  opt_contacts_BtnOver.src = "img/menu_contacts_hover.gif"
}

function rollOver(Btn, State)
{
  if (document.images && loaded) {
    eval("document.images[\'"+Btn+"\'].src = "+Btn+"_Btn"+State+".src")
  }
}

// For form of reserving of room in hotel
function check_hotel_id()
{
  if (document.reserve_form.hotel_id.value == "") alert('Выберите гостиницу!');
  else document.reserve_form.submit();
}
*/