[script      language = "Javascript"]
  /*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*
  * PURPOSE: Test if a particular year is a leap year.
      This function does not take into account the 
      beginning of the gregorian calendar which occured
      some time in the middle ages. It returns a 
      boolean value.
  * DOCUMENTED AT:
     http://www.geocities.com/matth3wbishop/eg/javascript/
  * DEPENDENCIES: [none]
  * SOURCE CODE: 
     http://www.geocities.com/matth3wbishop/eg/javascript/
  * STATUS: working
  * NOTES: This function is used by the fnDatePicker()
      asp function to prevent illegal dates being chosen.
  --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*/
  function fnIsLeapYear(iYear)
  {
    var regYear = /\d{4}/gi;    
    var bIsLeapYear = new Boolean();
    
    if ((iYear % 4) == 0)
    {
      if ((iYear % 100) != 0)
        {bIsLeapYear = true;}              
    } /* if */
   
    return bIsLeapYear;
  } /* fnIsLeapYear */

[/script]