// ** Verifica se valor passado eh numerico

function VerificaNumerico(checkStr,allValid)
{
var checkOK = "0123456789";
var decPoints = 0;
var allNum = "";
for (i = 0; i < checkStr.length; i++)
{
   ch = checkStr.charAt(i);
   for (j = 0; j < checkOK.length; j++)
       if (ch == checkOK.charAt(j))
          break;
    if (j == checkOK.length)
     {
        allValid = false;
        break;
      }
   allNum += ch;
}
return (allValid);
}