<nav class="navbar navbar-expand-lg navbar-light bg-light">
  <a class="navbar-brand" href="index.php"><img src="<?php echo IMG_DIR;?>logo.png" width="27px" /></a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="navbarSupportedContent">
    <ul class="nav nav-pills nav-stacked">
      <li class="nav-item active">
        <a class="nav-link" href="index.php">Home <span class="sr-only">(current)</span></a>
      </li>
  <li class="nav-item dropdown">
        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          Add
        </a>
        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
          <a class="dropdown-item" href="add.php">Add Customer Detail</a>
          <a class="dropdown-item" href="payment.php">Add Customer Payment</a>
          <a class="dropdown-item" href="add_pkg.php">Add New Package</a>
          <a class="dropdown-item" href="generate.php">Generate Bills</a>
        </div>
      </li>    
	<li class="nav-item dropdown">
        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          Edit
        </a>
        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
          <a class="dropdown-item" href="edit.php">Edit Customer Detail</a>
          <a class="dropdown-item" href="edit_pkg.php">Edit Package Plan</a>
        </div>
      </li>
      <li class="nav-item dropdown">
        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          Reports
        </a>
        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
          <a class="dropdown-item" href="print.php">Monthly Bill Print </a>
          <a class="dropdown-item" href="dublicate_print.php">Dublicate Bill Print</a>
          
		  <div class="dropdown-divider"></div>
          <a class="dropdown-item" href="overdue_view.php">Overdue Report</a>
		<a class="dropdown-item" href="c_stat_search.php">Annual Customer Statement</a>
		<a class="dropdown-item" href="summ_overall.php">Overall Summery Report</a>
		
        </div>
      </li>
	  
	  <li class="nav-item">
        <a class="nav-link" href="login/logout.php">Logout</a>
      </li>
          <span class="navbar-text">Welcome:<?php    echo $_SESSION['username']; ?>

  </span>
		  
		  </ul>
      </div>
</nav>