function formatCurrency(num) 
{
  num = num.toString().replace(/\$|\,/g,'');
  if(isNaN(num))
  num = "0";
  sign = (num == (num = Math.abs(num)));
  num = Math.floor(num*100+0.50000000001);
  cents = num%100;
  num = Math.floor(num/100).toString();
  if(cents<10)
  cents = "0" + cents;
  for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
  num = num.substring(0,num.length-(4*i+3))+','+
  num.substring(num.length-(4*i+3));
  //return (((sign)?'':'-') + '$' + num + '.' + cents);
  return (((sign)?'':'-') + num + '.' + cents);
}


function getValue(num)
{
    var noJunk = ""
    var withDollar = ""
    var foundDecimal = 0
    var foundAlphaChar = 0
    num += "";

    if (num == "") { return(0); }
    for (i=0; i <= num.length; i++)
    {
        var thisChar = num.substring(i, i+1);
        if (thisChar == ".")
        {
          foundDecimal = 1;
          noJunk = noJunk + thisChar;
        }
        if ((thisChar < "0") || (thisChar > "9"))
        {
          if ((thisChar != "$") && (thisChar !=".") && (thisChar != ",") && (thisChar != " ") && (thisChar !="")) foundAlphaChar = 1;
        }
        else
 {
    withDollar = withDollar + thisChar
    noJunk = noJunk + thisChar
 }

 if ((thisChar == "$") || (thisChar == ".") || (thisChar == ","))
 {
   withDollar = withDollar + thisChar
 }
  }
     if (foundDecimal) { return parseFloat(noJunk); }
     else if (noJunk.length > 0) { return parseFloat(noJunk); }
     else return 0;
}