function search_leave(){
  try{
    var search_string=getElement("search_string");
    if(search_string.value==''){
      search_string.value="поиск"
    }

  }catch(e){
    logging("Error search_leave:"+e.message);
  }
}

function search_enter(){
  try{
    var search_string=getElement("search_string");
    if(search_string.value=='поиск'){
      
      search_string.value="";
    }
  }catch(e){
    logging("Error search_leave:"+e.message);
  }
}

function go_search(){
  try{
    var search_string=getElement("search_string");
    if(search_string.value!='поиск'){
      //alert(search_string.value);
      document.location="/site-search/?search_string="+search_string.value;
    }
    return false;
  }catch(e){
    logging("Error go_search:"+e.message);
  }
}