How can I clone this block and also increment the title number and if possible increment the ids?

To each div "block-1" i want to have add and delete option. 
Thanks in advance

```
<div class="block-1">

  <div class="fieldset-emp">
    <fieldset>

      <h4>title 1</h4>
      <label class="field-first  arrow">First Name<em class="required">&#42;</em><input type="text" name="first_name" id="first_name" value="" /></label>
      <label class="field-last  arrow">Last Name<em class="required">&#42;</em><input type="text" name="last_name" id="last_name" value="" /></label>

      <label class="field-mi  arrow">Middle Initial<em class="required">&#42;</em><input type="text" name="mi" id="mi" value="" /></label>
      <label class="field-ssn  arrow">Social Security #<em class="required">&#42;</em><input type="text" name="ssn" id="ssn" value="" /></label>
      <div class="eesradioitem-1">
        <label class="field-faddress  arrow">Foreign Address<em class="required">&#42;</em></label>
        <div class="eesradioitem">
          <label>Yes </label>
          <input type="radio" name="faddress" value="yes" />
        </div>
        <div class="eesradioitem">
          <label>No</label>
          <input type="radio" name="faddress" value="no" checked="checked"/>
        </div>
      </div>

      <label class="field-address1  arrow">Address  line 1<em class="required">&#42;</em><input type="text" name="address1" id="address1" value="" /></label>
      <label class="field-address2  arrow">Address  line 2<em class="required">&#42;</em><input type="text" name="address2" id="address2" value="" /></label>

      <label class="field-city arrow">City <em class="required">&#42;</em><input type="text" name="city" id="city" value="" /></label>
      <label class="field-email arrow">Email <em class="required">&#42;</em><input type="text" name="email" id="email" value="" /></label>

      <label class="field-dob arrow">Date of Birth <em class="required">&#42;</em><input type="text" name="dob" id="dob" value="" /></label>
      <label class="field-homephone arrow">Home Phone<em class="required">&#42;</em><input type="text" name="homephone" id="homephone" value="" /></label>
      <label class="field-gender arrow">Gender <em class="required">&#42;</em><input type="text" name="gender" id="gender" value="" /></label>

    </fieldset>
  </div>

</div>

```