ns=window.navigator.appName == "Netscape"
ie=window.navigator.appName == "Microsoft Internet Explorer"

function openIt(x) {
if(ns) {
   showbox= document.layers[x+1]
   showbox.visibility = "show"
   showbox.top = 53
     var items = 9
     for (i=1; i<=items; i++) {
      elopen=document.layers[i]
        if ((elopen.visibility = "show")&&(elopen != showbox)) { 
          elopen.visibility = "hide"}
            }
    }    

 if(ie){
    showBox = document.all.box[x]
    showBox.style.visibility = "visible" 
    showBox.style.top = 61
   var items = 9
   for (i=0; i<items; i++) {
      elOpen=document.all.box[i]
        if ((elOpen.style.visibility == "visible")&&(elOpen != showBox)){ 
          elOpen.style.visibility = "hidden" }
      }
   }
}

function closeIt() {
       var items = 9 
         for (i=0; i<items; i++) {
           if(ie){document.all.box[i].style.visibility = "hidden"}
           if(ns){ document.layers[i+1].visibility = "hide";}          
}
}

function ObslugaRuchu(e) {
  if (ns || ie) {
    Xpos = (ns) ? e.pageX : event.x
    Ypos = (ns) ? e.pageY : event.y
    if(Ypos<=30) closeIt();
  }
}

if(ie){
  document.onmousemove=ObslugaRuchu;
  
}

if (ns) {
  window.captureEvents(Event.MOUSEMOVE);
  window.onMouseMove=ObslugaRuchu;
}