// JavaScript Document
function chgQty2(delta, target) {
            it = document.getElementById(target);
            //alert("delta is - " + delta + " -- target: " + it + " -- " + it.value);
            qty = parseFloat(it.value) + delta;
            //alert (it.value);
            if (isNaN(qty) || qty < 1.0) {
                qty = 1.0;
            } else if (qty >= 999.99) {
                qty = 999.99;
            }
            qty = Math.floor( (qty-3.0)/1.0 )*1.0  + 3.0;
            it.value = qty;
        }
function chgQty(delta) {
            qty = parseFloat(document.productForm.Quantity.value) + delta;
            if (isNaN(qty) || qty < 1.0) {
                qty = 1.0;
            } else if (qty >= 999.99) {
                qty = 999.99;
            }
            qty = Math.floor( (qty-3.0)/1.0 )*1.0  + 3.0;
            document.productForm.Quantity.value = qty;
        }