function formatCurrency(strValue) 
	{
		prueba=strValue;
		strValue = strValue.toString().replace(/\$|\,/g,'');
		prueba2=strValue;
		dblValue = parseFloat(strValue);
		if(isNaN(dblValue))
		{
			alert("Please type a valid number."+prueba.toString()+" va:"+prueba2.toString());	
			return "";
		}
		blnSign = (dblValue == (dblValue = Math.abs(dblValue)));
		dblValue = Math.floor(dblValue*100+0.50000000001);
		intCents = dblValue%100;
		strCents = intCents.toString();
		dblValue = Math.floor(dblValue/100).toString();
			if(intCents<10)
				strCents = "0" + strCents;

			for (var i = 0; i < Math.floor((dblValue.length-(1+i))/3); i++)
				dblValue = dblValue.substring(0,dblValue.length-(4*i+3))+','+

		dblValue.substring(dblValue.length-(4*i+3));

		return (((blnSign)?'':'(') + dblValue + '.' + strCents + ((blnSign)?'':')'));
	}
	
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 removeCurrency( strValue ) 
{
/************************************************
DESCRIPTION: Removes currency formatting from
  source string.

PARAMETERS:
  strValue - Source string from which currency formatting
     will be removed;

RETURNS: Source string with commas removed.
*************************************************/
  var objRegExp = /\(/;
  var strMinus = '';

  //check if negative
  if(objRegExp.test(strValue))
  {
    strMinus = '-';
  }

  objRegExp = /\)|\(|[,]/g;
  strValue = strValue.replace(objRegExp,'');
  if(strValue.indexOf('$') >= 0){
    strValue = strValue.substring(1, strValue.length);
  }
  return strMinus + strValue;
}

function addCurrency( strValue ) 
{
/************************************************
DESCRIPTION: Formats a number as currency.

PARAMETERS:
  strValue - Source string to be formatted

REMARKS: Assumes number passed is a valid
  numeric value in the rounded to 2 decimal
  places.  If not, returns original value.
*************************************************/
  var objRegExp = /-?[0-9]+\.[0-9]{2}$/;

    if( objRegExp.test(strValue)) 
	{
      objRegExp.compile('^-');
      strValue = addCommas(strValue);
      if (objRegExp.test(strValue))
	  {
        strValue = '(' + strValue.replace(objRegExp,'') + ')';
      }
      return '$' + strValue;
    }
    else
      return strValue;
}

function addCommas( strValue ) 
{
/************************************************
DESCRIPTION: Inserts commas into numeric string.

PARAMETERS:
  strValue - source string containing commas.

RETURNS: String modified with comma grouping if
  source was all numeric, otherwise source is
  returned.

REMARKS: Used with integers or numbers with
  2 or less decimal places.
*************************************************/
  var objRegExp  = new RegExp('(-?[0-9]+)([0-9]{3})');

    //check for match to search criteria
    while(objRegExp.test(strValue)) {
       //replace original string with first group match,
       //a comma, then second group match
       strValue = strValue.replace(objRegExp, '$1,$2');
    }
  return strValue;
}