<!--
// CHECK EACH QUANTITY FIELD FOR BLANKS ONBLUR OR NON-NUMERICS.
// IF BLANK or NON-NUMERIC, FILL FIELD WITH ZERO.

 function checkValue(qtyfield) {
	var ValidChars = "0123456789";
	var IsNumber = true;
	var Char;
 	if (qtyfield.value == "") {
 	qtyfield.value = "0";
        }
 for (i = 0; i < qtyfield.value.length && IsNumber == true; i++)
	{
	Char = qtyfield.value.charAt(i);
	if (ValidChars.indexOf(Char) == -1)
		{
		IsNumber = false;
		qtyfield.value = "0";
		}
	}
return IsNumber;
	
}
// -->