function zobrazsubmenu(e, num)
        {
            if(document.getElementById) // Netscape 6.0+ and Internet Explorer 5.0+
              {
               
               elm=document.getElementById(num);
               elm.style.display = "block";
			   if(num!="nemovitosti") {
               		elm=document.getElementById("nemovitosti");
	          	    elm.style.display = "none";
			   }
			 
              }
           }   
   function znicsubmenu(num){
   if(document.getElementById){
               elm=document.getElementById(num);
      elm.style.display="none";

    }
  }