\<div class="row">
    <!-- begin col-8 -->
    <div class="col-sm-12">
        <!-- begin panel -->
        <form class="form-horizontal" method="post">
          <div class="panel panel-grey">
              <div class="panel-heading">
          		 <div class="panel-heading-btn">
                    <a href="javascript:;" class="btn btn-xs btn-icon btn-circle btn-grey" data-click="panel-expand"><i class="fa fa-expand"></i></a>
                    <a href="javascript:;" class="btn btn-xs btn-icon btn-circle btn-grey" data-click="panel-remove"><i class="fa fa-times"></i></a>
                </div>
                <div class="btn-group" role="group" aria-label="Group Button Penyiapan Sampel">
                  <a onclick="goBack();" class="btn btn-primary m-b-5"><span class="fa fa-arrow-left"></span> Kembali</a>
                  <?php $vget = $this->input->post(); ?>
                </div>

                <hr>

              </div>
              <div class="panel-body">
                <div class="col-sm-10">
                  <div class="form-group m-b-11">
                      <label class="col-md-4 col-form-label control-label">Level Standar (ppb)<span class="text-danger">*</span></label>
                      <div class="col-md-7">
                          <div class="input-group">
                              <input type="hidden" name="nomor_batch" value="<?php echo $vget['nomor_batch'] ?>">
                              <input value="<?php echo isset($edit) ? $edit['level_standart'] : '' ?>" name="level_standart" type="text" class="form-control" placeholder="Level Standar (ppb)" required>
                          </div>
                      </div>
                  </div>
                  <div class="form-group m-b-11">
                      <label class="col-md-4 col-form-label control-label">Abs (Y)<span class="text-danger">*</span></label>
                      <div class="col-md-7">
                          <div class="input-group">
                              <input value="<?php echo isset($edit) ? $edit['abs'] : '' ?>" name="abs" type="text" class="form-control abs" onkeyup="hitung_c_std_p(1);" placeholder="Abs (Y)" required>
                          </div>
                      </div>
                  </div>
                  
                </div>
              </div>
              <div class="panel-footer">
                <div class="col-sm-10">
                  <div class="row">
                    <div class="col-md-4"></div>
                    <div class="col-md-7">
                      <?php
                        if(!empty($id_sampel)){
                          foreach($id_sampel as $s ) echo "<input type='hidden' name='id_sampel[]' value='".$s."'>";
                        }
                        if(!empty($id_kadar)){
                          foreach($id_kadar as $k ) echo "<input type='hidden' name='id_kadar[]' value='".$k."'>";
                        }
                      ?>
                      <input type="hidden" name="method" value="<?php echo $method ?>">
                      <input type="hidden" name="simpan_deret" value="<?php echo $simpan_deret; ?>">
                      <input type="hidden" name="nomor_batch" value="<?php echo $this->session->userdata('nomor_batch'); ?>">

                      <button type="submit" class="btn btn-primary">Simpan</button>
                      <button type="button" onclick="goBack();" class="btn btn-danger">Batal</button>
                    </div>
                  </div>
                </div>
              </div>
          </div>
        </form>

    </div>
</div>

<script type="text/javascript">
		/*function hitung_c_std_p(x){
				var h = $('.abs').val();
				var i = $('.intercept').val();
				var j = $('.slope').val();

				if(h === '') h = 0;
				if(i === '') i = 0;
				if(j === '') j = 0;

				var c = (parseFloat(h)-parseFloat(i))/parseFloat(j);

				if(isNaN(parseFloat(c))){
					$('.c_std_p').val(0);
				}else{
					c = c.toString().split('.');
					$('.c_std_p').val(c[0]+'.'+c[1].substring(0, 3));
				}
		}*/
</script>
