Format a Date for InfoPath 2003

If you ever need to generate a date that is compliant with InfoPath 2003's date format (ISO 8601), here is the handy little function that appears throughout the InfoPath SDK code:

function GetDateString(oDate) {
     // Use today as default value.
     if (oDate == null) 
          oDate = new Date(); 
     var m = oDate.getMonth() + 1; 
     var d = oDate.getDate(); 
     if (m < 10) 
          m = "0" + m; 
     if (d < 10) 
          d = "0" + d; 
     // ISO 8601 date (YYYY-MM-DD). 
     return oDate.getFullYear() + "-" + m + "-" + d;
}