function formatdigits(num)
 {
 if (num < 10) 
    return "0" + num 
  else  
    return num; 
 }

function trunc(x) 
  {
  if (x >= 0)
    return Math.floor(x);
  else
    return Math.ceil(x); 
  }

function getCookie(Name, Value)
  {
  var search = Name + "=";
  var search2 = Value + "=";
  if (document.cookie.length > 0)  
    {
    offset = document.cookie.indexOf(search); 
    if (offset != -1)   
      {
      offset += search.length;   
      end = document.cookie.indexOf(";", offset);  
      if (end == -1) 
        end = document.cookie.length; 
      var rawstring = unescape(document.cookie.substring(offset, end));
      if (rawstring.length > 0)
        {
        offset = rawstring.indexOf(search2); 
        if (offset != -1)  
          {
          offset += search2.length;   
          end = rawstring.indexOf("&", offset);  
          if (end == -1) 
            end = rawstring.length;
          return rawstring.substring(offset, end);
          } 
        }
      } 
    }
  }