function addProduct()
{
	var retVal = true;
	try {
		retVal = checkQty( document.getElementById('quantity'));
		if( retVal)
		{
			document.getElementById('prodpageform').submit();
		} else {
			document.getElementById('prodpageform').reset();
		}
	} catch ( err) { retVal = false; }
	return retVal;
} // addProduct

function checkQty( qtyElement)
{
	var qtyValue = new Number(qtyElement.value);
	if( 1 > qtyValue)
	{
		window.alert( "Quantity must be at least one.");
		return false;
	} else {
		return true;
	}
}