function Trim(item)
{
  var tmp = "";
  var item_length = item.value.length;
  var item_length_minus_1 = item.value.length - 1;
  for (index = 0; index < item_length; index++)
  {
    if (item.value.charAt(index) != ' ')
    {
      tmp += item.value.charAt(index);
    }
    else
    {
      if (tmp.length > 0)
      {
        if (item.value.charAt(index+1) != ' ' && index != item_length_minus_1)
        {
          tmp += item.value.charAt(index);
        }
      }
    }
  }
  item.value = tmp;
}

// **************************************************************** //
// Function Downloaded on 28th Dec.
// Usage : Call the function by passing the field
//**************************************************************** //
function check_date(field){
var checkstr = "0123456789";
var DateField = field;
var Datevalue = "";
var DateTemp = "";
var seperator = "/";
var day;
var month;
var year;
var leap = 0;
var err = 0;
var i;
   err = 0;
   DateValue = DateField.value;
   /* Delete all chars except 0..9 */
   for (i = 0; i < DateValue.length; i++) {
	  if (checkstr.indexOf(DateValue.substr(i,1)) >= 0) {
	     DateTemp = DateTemp + DateValue.substr(i,1);
	  }
   }
   DateValue = DateTemp;
   /* Always change date to 8 digits - string*/
   /* if year is entered as 2-digit / always assume 20xx */
   if (DateValue.length == 6) {
      DateValue = DateValue.substr(0,4) + '20' + DateValue.substr(4,2); }
   if (DateValue.length != 8) {
      err = 19;}
   /* year is wrong if year = 0000 */
   year = DateValue.substr(4,4);
   if (year == 0) {
      err = 20;
   }
   /* Validation of month*/
   month = DateValue.substr(2,2);
   if ((month < 1) || (month > 12)) {
      err = 21;
   }
   /* Validation of day*/
   day = DateValue.substr(0,2);
   if (day < 1) {
     err = 22;
   }
   /* Validation leap-year / february / day */
   if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
      leap = 1;
   }
   if ((month == 2) && (leap == 1) && (day > 29)) {
      err = 23;
   }
   if ((month == 2) && (leap != 1) && (day > 28)) {
      err = 24;
   }
   /* Validation of other months */
   if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
      err = 25;
   }
   if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
      err = 26;
   }
   /* if 00 ist entered, no error, deleting the entry */
   if ((day == 0) && (month == 0) && (year == 00)) {
      err = 0; day = ""; month = ""; year = ""; seperator = "";
   }
   /* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */
   if (err == 0) {
      DateField.value = day + seperator + month + seperator + year;
   }
   /* Error-message if err != 0 */
   else {
      alert("Date is incorrect!\nDate Format is dd-mm-yy eg. 05-12-02");
      DateField.select();
	  DateField.focus();
	  return false; // modified by anand
   }
}

// *********************************************************************
// ** Allow only the chars and separator
// *********************************************************************
function allowdatechars()
{
var ka;
ka=window.event.keyCode;
if(!(ka==45 || ka==47 || (ka>=48 && ka<=57)))
  {
   window.event.keyCode=0;
  }
}
