function ShowHidePanel(at,a)
      {
      var description_ContentPanel = document.getElementById(a);
       atoggle= document.getElementById(at);
        if (description_ContentPanel != null)
        {
                if (description_ContentPanel.style.display == 'none' )
                {
                        description_ContentPanel.style.display  = '';
                                if (atoggle != null)
                                {
                                        atoggle.innerHTML = " [Свернуть]";
                    }
                }
            else
            {
                description_ContentPanel.style.display = 'none';
                                if (atoggle != null)
                                {
                                        atoggle.innerHTML = " [Развернуть]";
                        }
                }
                }
        description_ContentPanel = null;
      };
  
function ShowTracksOnMaps(CodeSt, Type) 
{
	popupWin = window.open("show_maps.php?id="+CodeSt, "mapswindow", "menubar=0, resizable=0,width=900,height=400");
	popupWin.focus();
};