Checkbox same as billing address

Hi!

I've built a shop and was wondering if there was a way for have the customer to choose the shipping address the same as the billing address? I'm using the passwordless form as there is no account login for this shop and the template is below.

Any help is much appreciated!

<perch:form id="register" method="post" app="perch_shop" action="payment.php">

    <h2>Your details</h2>


    <fieldset style="margin-bottom: 30px">
        <div>
            <perch:label for="first_name">First name</perch:label>
            <perch:input type="text" id="first_name" required="true" label="First name" class="form-control"/>
            <perch:error for="first_name" type="required">Please add your name</perch:error>
        </div>

        <div>
            <perch:label for="last_name">Last name</perch:label>
            <perch:input type="text" id="last_name" required="true" label="Last name"  class="form-control"/>
            <perch:error for="last_name" type="required">Please add your name</perch:error>
        </div>

        <div>
            <perch:label for="email">Email</perch:label>
            <perch:input type="email" id="email" required="true" placeholder="you@company.com" helper="PerchMembers_Members::check_email" class="form-control" />
            <perch:error for="email" type="required">Please add your email address</perch:error>
            <perch:error for="email" type="helper">That email address is already in use</perch:error>
            <perch:input type="hidden" id="password" value="__auto__" />
        </div>

    </fieldset>

    <fieldset style="margin-bottom: 30px">
        <legend>Billing address</legend>
        <div>
            <perch:label for="company">Company</perch:label>
            <perch:input type="text" id="company" label="Company"  class="form-control"/>
        </div>

        <div>
            <perch:label for="address_1">Address 1</perch:label>
            <perch:input type="text" id="address_1" required="true" label="Address 1"  class="form-control"/>
            <perch:error for="address_1" type="required">Please add the first line of your address</perch:error>
        </div>

        <div>
            <perch:label for="address_2">Address 2</perch:label>
            <perch:input type="text" id="address_2" label="Address 2"  class="form-control"/>
        </div>

        <div>
            <perch:label for="postcode">Postal code</perch:label>
            <perch:input type="text" id="postcode" label="Postal code"  class="form-control"/>
        </div>

        <div>
            <perch:label for="city">City</perch:label>
            <perch:input type="text" id="city" label="City"  class="form-control"/>
        </div>

        <div>
            <perch:label for="county">State or County</perch:label>
            <perch:input type="text" id="county" label="County"  class="form-control"/>
        </div>

        <div>
            <perch:label for="country">Country</perch:label>
            <perch:input type="select" options="<perch:shop id="country_list" />" value="236" id="country" label="Country"  class="form-control"/>
        </div>

    </fieldset>

    <fieldset>
        <legend>Shipping address</legend>

        <div>
            <perch:label for="shipping_first_name">First name</perch:label>
            <perch:input type="text" id="shipping_first_name" required="true" label="First name"  class="form-control" />
            <perch:error for="shipping_first_name" type="required">Please add your name</perch:error>
        </div>

        <div>
            <perch:label for="shipping_last_name">Last name</perch:label>
            <perch:input type="text" id="shipping_last_name" required="true" label="Last name"   class="form-control"/>
            <perch:error for="shipping_last_name" type="required">Please add your name</perch:error>
        </div>


        <div>
            <perch:label for="company">Company</perch:label>
            <perch:input type="text" id="shipping_company" label="Company"  class="form-control" />
        </div>

        <div>
            <perch:label for="shipping_address_1">Address 1</perch:label>
            <perch:input type="text" id="shipping_address_1" required="true" label="Address 1"   class="form-control"/>
            <perch:error for="shipping_address_1" type="required">Please add the first line of your address</perch:error>
        </div>

        <div>
            <perch:label for="shipping_address_2">Address 2</perch:label>
            <perch:input type="text" id="shipping_address_2" label="Address 2"   class="form-control"/>
        </div>

        <div>
            <perch:label for="shipping_postcode">Postal code</perch:label>
            <perch:input type="text" id="shipping_postcode" label="Postal code"   class="form-control"/>
        </div>

        <div>
            <perch:label for="shipping_city">City</perch:label>
            <perch:input type="text" id="shipping_city" label="City"   class="form-control"/>
        </div>

        <div>
            <perch:label for="shipping_county">State or County</perch:label>
            <perch:input type="text" id="shipping_county" label="County"   class="form-control"/>
        </div>

        <div>
            <perch:label for="shipping_country">Country</perch:label>
            <perch:input type="select" options="<perch:shop id="country_list" />" value="236" id="shipping_country" label="Country"   class="form-control"/>
        </div>

    </fieldset>
<br><br>

        <div>
            <perch:input type="submit" value="Continue"  class="btn btn-primary btn-lg"/>
        </div>


    <perch:success>
        <p>Thanks!</p>
        <a href="payment.php" class="btn btn-lg btn-primary">Continue to Payment</a>
    </perch:success>

</perch:form>