function remove_it(qtysku) {
   document.quantities.elements[qtysku].value = 0;
   document.quantities.submit();
}

function disable() {
   if (document.checkout.type.value == 'member') {
       document.checkout.username.disabled = false;
       document.checkout.password.disabled = false;
   } else {
       document.checkout.username.disabled = true;
       document.checkout.password.disabled = true;
   }
}

function wholesaleCopy() {
      document.ws_register.shipping_address1.value = document.ws_register.billing_address1.value;
      document.ws_register.shipping_address2.value = document.ws_register.billing_address2.value;
      document.ws_register.shipping_attention.value = document.ws_register.company_name.value;
      document.ws_register.shipping_city.value = document.ws_register.billing_city.value;
      document.ws_register.shipping_state.value = document.ws_register.billing_state.value;
      document.ws_register.shipping_zip.value = document.ws_register.billing_zip.value;
}

function changeDate(id,id2) {
   document.ship_form.elements[id].value = document.ship_form.elements[id2].value;
}

function use_alias(id,alias) {
      var first_name = 's_firstname'+id;
      var last_name = 's_lastname'+id;
      var addy1 = 's_address1'+id;
      var addy2 = 's_address2'+id;
      var city = 's_city'+id;
      var state = 's_state'+id;
      var country = 's_country'+id;
      var zip = 's_zip'+id;
      var alias_id = document.ship_form.elements[alias].value;
      var nullvar;
      document.ship_form.elements[first_name].value = info['s_firstname'][alias_id];
      document.ship_form.elements[last_name].value = info['s_lastname'][alias_id];
      document.ship_form.elements[addy1].value = info['s_address1'][alias_id];
      if (info['s_address2'][alias_id] != nullvar) {
        document.ship_form.elements[addy2].value = info['s_address2'][alias_id];
      } else {
        document.ship_form.elements[addy2].value = "";
      }
      document.ship_form.elements[city].value = info['s_city'][alias_id];
      document.ship_form.elements[state].value = info['s_state'][alias_id];
      document.ship_form.elements[country].value = info['s_country'][alias_id];
      document.ship_form.elements[zip].value = info['s_zip'][alias_id];
}

function addressCopy() {
      document.ship_form.first_name.value = document.ship_form.s_firstname1.value;
      document.ship_form.last_name.value = document.ship_form.s_lastname1.value;
      document.ship_form.billing_address1.value = document.ship_form.s_address11.value;
      document.ship_form.billing_address2.value = document.ship_form.s_address21.value;
      document.ship_form.billing_state.value = document.ship_form.s_state1.value;
      document.ship_form.billing_city.value = document.ship_form.s_city1.value;
      document.ship_form.billing_zip.value = document.ship_form.s_zip1.value;
      document.ship_form.billing_country.value = document.ship_form.s_country1.value;
}

function paymentMethod(method) {
  var po_panel = document.getElementById('po_panel');
  var gc_panel = document.getElementById('gc_panel');
  var cc_panel = document.getElementById('cc_panel');
  var ec_panel = document.getElementById('ec_panel');
  var billing_info = document.getElementById('billing_info');
  if (po_panel) { po_panel.style.display="none"; }
  if (gc_panel) { gc_panel.style.display="none"; }
  if (cc_panel) { cc_panel.style.display="none"; }
  if (ec_panel) { ec_panel.style.display="none"; }
  if (billing_info) { billing_info.style.display="block"; }

  if (method == 'creditcard') {
    cc_panel.style.display="block";
  } else if (method == 'purchaseorder') {
    po_panel.style.display="block";
  } else if (method == 'giftcertificate') {
    gc_panel.style.display="block";
  } else if (method == 'paypal') {
    if (billing_info) { billing_info.style.display="none"; }
  } else if (method == 'echeck') {
    ec_panel.style.display="block";
  }
}