function ChangeOption(selectedOption){
 document.getElementById('moscow').style.display = "none";
 document.getElementById('s_peterburg').style.display = "none";
 if(selectedOption == 'moscow'){
  document.getElementById('moscow').style.display = "";
  document.getElementById('m_but').className = "m_but_1";
  document.getElementById('sp_but').className = "sp_but_2";
 }
 if(selectedOption == 's_peterburg'){
  document.getElementById('s_peterburg').style.display = "";
  document.getElementById('m_but').className = "m_but_2";
  document.getElementById('sp_but').className = "sp_but_1";
 }
}
var IE='\v'=='v';
if(IE)
 document.write('<style>.contact{margin-top: -1px;}.contact2{margin-top: -1px;}</style>');
else
 document.write('<style>.contact{margin-top: 3px;}.contact2{margin-top: 3px;}</style>');