function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function FormSubmit(Command){
$('command').value = Command;
$('CartUpdate').submit();
return false;
}

function OrderSubmit(){
$('OrderForm').submit();
$('formButton').disabled = true;
return false;
}

function signup_form(){
    var myDate = new Date();
    var month = myDate.getMonth() + 1;
    var year = myDate.getYear();
    if ($('su_username').value == '' || !$('su_username').value.match(/[#-9A-~]+@+[a-z0-9]+.+[^.]$/)) {
        alert('E-Mail アドレスをご記入下さい。');
        return false;
    }
    if ($('su_username_check').value == '') {
        alert('確認用E-Mail アドレスをご記入下さい。');
        return false;
    }
    if ($('su_username').value != $('su_username_check').value) {
        alert('入力された２つのE-Mail アドレスが一致しません。');
        return false;
    }
    if ($('su_password').value == '') {
        alert('パスワードをご記入下さい。');
        return false;
    }
    if ($('su_password_check').value == '') {
        alert('確認用パスワードをご記入下さい。');
        return false;
    }
    if ($('su_password').value != $('su_password_check').value) {
        alert('入力された２つのパスワードが一致しません。');
        return false;
    }

}

function jump_form(id){
  $(id).focus();
  $(id).select();
}

function country_select(){
  if($('su_shipping_country').selectedIndex == 1){
    $('su_shipping_pref').style.display = 'none';
    $('su_shipping_state').style.display = 'inline';
  } else {
    $('su_shipping_pref').style.display = 'inline';
    $('su_shipping_state').style.display = 'none';
  }
  if($('su_billing_country').selectedIndex == 1){
    $('su_billing_pref').style.display = 'none';
    $('su_billing_state').style.display = 'inline';
  } else {
    $('su_billing_pref').style.display = 'inline';
    $('su_billing_state').style.display = 'none';
  }
}

function ShowInputField(id){
var dis = $(id).style.display;
  if(dis == 'none'){
    $(id).style.display = 'inline';
  } else {
    $(id).style.display = 'none';
  }
}

function getNewShippingFee(fee,ship_case){
 if(ship_case == '3' || ship_case == '4'){
  $('ems_ship_phone').style.display = 'inline';
 } else {
  $('ems_ship_phone').style.display = 'none';
 }
 var fee_value = fee.toFixed( 2 );
 sub = $('sub_hidden').value;
 tax = $('tax_hidden').value;
 discount = $('discount_hidden').value;
 total_fee = Number(sub) + Number(tax) - Number(discount) + Number(fee);
 total_value = total_fee.toFixed( 2 );
 $('shipping_fee_disp').innerHTML = '$'+fee_value;
 $('total_disp').innerHTML = '$'+total_value;
 $('shipping_fee_hidden').value = fee_value;
 $('total_hidden').value = total_value;
}