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

function openIt(x,y,z) {
if(ns) {
   showbox= document.layers[x+1]
   showbox.visibility = "show"
   showbox.top=151
    var items = 22      
     for (i=1; i<=items; i++) {
      elopen=document.layers[i]
        if (i != (x + 1)) { 
          elopen.visibility = "hide" }
            }
  }    

if(ie) {
 //  curEl = event.toElement;
 	 showBox = document.all("box",x);   // обращение к элементу странциы (all-все, далее по ID=box и его номеру
   showBox.style.visibility = "visible";	
   showBox.style.top = y;	     
	 
   var items = 22 ;
    for (i=0; i<items; i++) {
   	  elOpen=document.all("box",i);
		  if (i!= x) {elOpen.style.visibility = "hidden"; }
     }
   
	
	 str=document.location.href;
	 ind=str.indexOf("austr");
	 ii=Number(str.substr(ind+5,2));
	  if (ii == z) {
		elOpen=document.all("box",x);
		elOpen.style.visibility = "hidden"; }
	
   //showBox.style.top = 160; //240; месторасположение меню - верхний угол	 
   }
}



function closeIt() {
   var items = 20 
     for (i=0; i<items; i++) {
       if(ie){
        document.all.box[i].style.visibility = "hidden"
          //barEl=document.all.mnubar[i]
          // barEl.style.background = "#ccccff" 
       }
       if(ns){ document.layers[i+1].visibility = "hide"}          
}
}