Reelix

<script>
   function formatCurrency()
   {
      // Get the values from the text-boxes
      var symbol = document.getElementById('formatCurrencySymbol').value;
      var number = parseFloat(document.getElementById('formatCurrencyNumber').value);
      var decimalPlaces = document.getElementById('formatCurrencyDecimalPlaces').value;
    
      // Do the formatting - Regex here!
      var result = symbol + number.toFixed(decimalPlaces).replace(/(\d)(?=(\d{3})+\.)/g, "$1,");

Reelix

<script>
// This function will allow 0123456789, left, right, and backspace on a textbox
// Use onkeypress="return isNumericKeyPress(event.keyCode);" to trigger
function isNumericKeyPress(keyCode)
{
	return (keyCode >= 48 && keyCode <= 57 || keyCode === 8);
}

// This function will clear non-numeric values on a textbox when pasted
// Use onpaste="isNumericPaste(this);" to trigger