/*==============================================================================

    Routines written by John Gardner - 2004

    See www.braemoor.co.uk/software for information about more freeware
    available.
		
		Version V01X02 - 1st May 2008
		                 updated to report "not available" if last modified date is
		                 not returned. This was true for Safari under Windows.

/*==============================================================================

Routine to write date document modified

   Parameters:
        time              True if time is to be displayed else False   

   e.g. 
        <script type="text/javascript">writeDateModified (false);</script>
   or   
        <script type="text/javascript">writeDateModified (true);</script>
        
   Note that if the server has failed to load up the HTTP header field with a 
   parsable date, nothing is written.
   
*/

function writeDateModified (time) {

  var days = new Array;                        // Array to hold day names
  var months = new Array;                      // Array to hold up month names

  // Load up day names
  days[0] = "Sunday";
  days[1] = "Monday";
  days[2] = "Tuesday";
  days[3] = "Wednesday";
  days[4] = "Thursday";
  days[5] = "Friday";
  days[6] = "Saturday";

  // Load up month names
  months[0] = "January";
  months[1] = "February";
  months[2] = "March";
  months[3] = "April";
  months[4] = "May";
  months[5] = "June";
  months[6] = "July";
  months[7] = "August";
  months[8] = "September";
  months[9] = "October";
  months[10] = "November";
  months[11] = "December";

  // Assign date variables with document.lastModified 
  var modDate = new Date(Date.parse(document.lastModified));
  
  // If we have a valid date reformat it.
  if (modDate != 0 && modDate != "Invalid Date") {
  
    // Set up day variable to hold the name of the day
    var day = days[modDate.getDay()];
    
    // ndate variable holds day of month
    var ndate = modDate.getDate();
    
    // Set up month variable to hold the name of the month
    var month = months[modDate.getMonth()];
    
    // Get the year and if it is less than 1000 add 1900 to it.
    var year = modDate.getYear();
    if (year < 1000) year = year + 1900;
    
    // Load up the time variables if required
    if (time) {
      var hour = modDate.getHours().toString();
      if (hour.length == 1) hour = "0" + hour; 
      var minute = modDate.getMinutes().toString();
      if (minute.length == 1) minute = "0" + minute;
      var second = modDate.getSeconds().toString();
      if (second.length == 1) second = "0" + second;
    }
    
    // Display date and time document was last updated.
    document.write(day + " " + ndate + " " + month + " " + year+ "  ");
    if (time) {
      document.write(hour + ":" + minute + ":" + second);
    }
  }
	else document.write("not available");
}