function  validateNumeric( strValue ) {
  var objRegExp  =  /(^-?\d\d*\.\d*$)|(^-?\d\d*$)|(^-?\.\d\d*$)/;
  //check for numeric characters
  return objRegExp.test(strValue);
}
function  validateEmail( strValue ) {
  var objRegExp  = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i ;
  //check for numeric characters
  return objRegExp.test(strValue);
}
function validateNotEmpty( strValue ) {
/************************************************
DESCRIPTION: Validates that a string is not all
  blank (whitespace) characters.
PARAMETERS:
   strValue - String to be tested for validity
RETURNS:
   True if valid, otherwise false.
*************************************************/
   var strTemp = strValue;
   strTemp = trimAll(strTemp);
   if(strTemp.length > 0){
     return true;
   }
   return false;
}
function rightTrim( strValue ) {
/************************************************
DESCRIPTION: Trims trailing whitespace chars.
PARAMETERS:
   strValue - String to be trimmed.
RETURNS:
   Source string with right whitespaces removed.
*************************************************/
var objRegExp = /^([\w\W]*)(\b\s*)$/;

      if(objRegExp.test(strValue)) {
       //remove trailing a whitespace characters
       strValue = strValue.replace(objRegExp, '$1');
    }
  return strValue;
}

function leftTrim( strValue ) {
/************************************************
DESCRIPTION: Trims leading whitespace chars.
PARAMETERS:
  strValue - String to be trimmed
RETURNS:
   Source string with left whitespaces removed.
*************************************************/
var objRegExp = /^(\s*)(\b[\w\W]*)$/;
      if(objRegExp.test(strValue)) {
       //remove leading a whitespace characters
       strValue = strValue.replace(objRegExp, '$2');
    }
  return strValue;
}
function trimAll( strValue ) {
/************************************************
DESCRIPTION: Removes leading and trailing spaces.
PARAMETERS: Source string from which spaces will
  be removed;
RETURNS: Source string with whitespaces removed.
*************************************************/
 var objRegExp = /^(\s*)$/;
    //check for all spaces
    if(objRegExp.test(strValue)) {
       strValue = strValue.replace(objRegExp, '');
       if( strValue.length == 0)
          return strValue;
    }
   //check for leading & trailing spaces
   objRegExp = /^(\s*)([\W\w]*)(\b\s*$)/;
   if(objRegExp.test(strValue)) {
       //remove leading and trailing whitespace characters
       strValue = strValue.replace(objRegExp, '$2');
    }
  return strValue;
}
function checkAll(frm,no) {
   var limit = parseInt(no);
   for (i=0;i<limit;i++) {
        document.forms[0].chbx[i].checked=true;
	}
}
function postalCodevalidation(strValue){
	var objRegExp = /(?:[A-Z]{1,2}[- ])?\d{2,3}(?:\d\d?| \d\d|\d-\d{3})/;
	return objRegExp.test(strValue);
}