function nav(){
	
   if (document.getElementById) {
      var CurrentNode = document.getElementById(Current);
      for(i=1;i<menuCount;i++){
         el = document.getElementById("menu" + i);
         if (el.className != "station") {
           el.className = "hide";
         }  
      }
      if (CurrentNode.className != "station") {
        CurrentNode.className = "show";
       } 
      showParents(CurrentNode);
   }
} 

function showParents(node){

   p = node.parentNode;
   //alert("Parent: " + p.id);   
   if (p){
   
      if (p.id == "leftmenu"){
         return;
      }
      
      if (p.nodeName == "LI"){

         p.className="show";
      } 
      showParents(p);
   }
}

// zobrazit detail stanice na mape
function detail(stat_idnum) {
  var newDisplay;
  var toJS = "";
  for (var i=0; i<statDetails_ar.length; i++) {
    //newDisplay = (stat_idnum == statDetails_ar[i])? "block" : "none";
    newDisplay = (stat_idnum == statDetails_ar[i])? "visible" : "hidden";
    document.getElementById("det_"+statDetails_ar[i]).style.visibility = newDisplay;
    //document.getElementById("det_"+statDetails_ar[i]).style.display = newDisplay;
    //toJS += "document.getElementById(\"det_"+statDetails_ar[i]+"\").style.display = "+newDisplay+"\n";
    toJS += "document.getElementById(\"det_"+statDetails_ar[i]+"\").style.visibility = "+document.getElementById("det_"+statDetails_ar[i]).style.visibility+"\n";
  }
  //alert(toJS);
}