function Trim(TRIM_VALUE){

if(TRIM_VALUE.length < 1){

return"";

}

TRIM_VALUE = RTrim(TRIM_VALUE);

TRIM_VALUE = LTrim(TRIM_VALUE);

if(TRIM_VALUE==""){

return "";

}

else{

return TRIM_VALUE;

}

} //End Function



function RTrim(VALUE){

var w_space = String.fromCharCode(32);

var v_length = VALUE.length;

var strTemp = "";

if(v_length < 0){

return"";

}

var iTemp = v_length -1;



while(iTemp > -1){

if(VALUE.charAt(iTemp) == w_space){

}

else{

strTemp = VALUE.substring(0,iTemp +1);

break;

}

iTemp = iTemp-1;



} //End While

return strTemp;



} //End Function



function LTrim(VALUE){

var w_space = String.fromCharCode(32);

if(v_length < 1){

return"";

}

var v_length = VALUE.length;

var strTemp = "";



var iTemp = 0;



while(iTemp < v_length){

if(VALUE.charAt(iTemp) == w_space){

}

else{

strTemp = VALUE.substring(iTemp,v_length);

break;

}

iTemp = iTemp + 1;

} //End While

return strTemp;

} //End Function





function check_date_l(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;

   DateField.value = Trim(DateField.value);

   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); }

      DateValue = '20' + DateValue; }

   if (DateValue.length != 8) {

      err = 19;}

   /* year is wrong if year = 0000 */

   year = DateValue.substr(0,4);



	

		if (year=="") {

			year = 0;

		}

   

   if (year == 0) {

      err = 20;

   }

   

   /* Validation of month*/

   month = DateValue.substr(4,2);



		if (month=="") {

			month = 0;

		}

   

   

   if ((month < 1) || (month > 12)) {

      err = 21;

   }

   /* Validation of day*/

   day = DateValue.substr(6,2);



		if (day=="") {

			day = 0;

		}



   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 ((DateField.value != "") && (DateValue == "")){

		err=27;

	 }

   

   /* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */

   if (err == 0) {

      DateField.value = year + seperator + month + seperator + day;

      return true;

   }

   /* Error-message if err != 0 */

   else {

   	alert("Klaidingai nurodyta data!");

    DateField.select();

	  DateField.focus();

	  return false;

   }

}





function check_date_e(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;

   DateField.value = Trim(DateField.value);

   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=="") {

			year = 0;

		}

   

   if (year == 0) {

      err = 20;

   }

   /* Validation of month*/

   month = DateValue.substr(0,2);

   

		if (month=="") {

			month = 0;

		}

   

   

   if ((month < 1) || (month > 12)) {

      err = 21;

   }

   /* Validation of day*/

   day = DateValue.substr(2,2);

   

		if (day=="") {

			day = 0;

		}   

   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 ((DateField.value != "") && (DateValue == "")){

		err=27;

	 }

   

   /* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */

   if (err == 0) {

      DateField.value = month + seperator + day + seperator + year;

   }

   /* Error-message if err != 0 */

   else {

      alert("Date is incorrect!");

      DateField.select();

	  DateField.focus();

   }

}