// Multiple Sidebars
if ( function_exists('register_sidebar') )
  register_sidebar(array('name'=>'Sidebar1',
  'id' => 'sidebar01',
  'before_widget' => '',
  'after_widget' => '',
  'before_title' => '<h3>',
  'after_title' => '</h3>',
));

if ( function_exists('register_sidebar') )
  register_sidebar(array('name'=>'Sidebar2',
  'id' => 'sidebar02',
  'before_widget' => '',
  'after_widget' => '',
  'before_title' => '<h3>',
  'after_title' => '</h3>',
));

// Put this Code to your sidebar.php
<?php if ( !function_exists('dynamic_sidebar')
|| !dynamic_sidebar('sidebarname1') ) : ?>
<?php endif; ?>