WP Single Page

gistfile1.txt

<?php
#First step: Sync the navigation and each page sections
# functions.php
class description_walker extends Walker_Nav_Menu{
      function start_el(&$output, $item, $depth, $args){
           global $wp_query;
           $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
           $class_names = $value = '';
           $classes = empty( $item->classes ) ? array() : (array) $item->classes;
           $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
           $class_names = ' class="'. esc_attr( $class_names ) . '"';
           $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';
           $attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
           $attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
           $attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
           if($item->object == 'page')
           {
                $varpost = get_post($item->object_id);
                if(is_home()){
                  $attributes .= ' href="#' . $varpost->post_name . '"';
                }else{
                  $attributes .= ' href="'.home_url().'/#' . $varpost->post_name . '"';
                }
           }
           else
                $attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';
            $item_output = $args->before;
            $item_output .= '<a'. $attributes .'>';
            $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID );
            $item_output .= $args->link_after;
            $item_output .= '</a>';
            $item_output .= $args->after;
            $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
     }
}?>

<?php
#set walker argument to new Description_walker in wp_nav_menu function
   wp_nav_menu(array(
   'theme_location' => 'primary_navi',
   'echo' => true,
   'walker'=> new Description_Walker,
   'depth' => 4) );
?>

<?php 
#Second step: call the page loop in the home page
# home-page
query_posts('post_type=page');
while(have_posts() ) : the_post();?>
     <div id="<?php echo $post->post_name;?>">//Add page content here</div>
<?php endwhile;?>

<?php
#call the pages which we have added to the navigation menu
if (($locations = get_nav_menu_locations()) && $locations['primary_navi'] ) {
        $menu = wp_get_nav_menu_object( $locations['primary_navi'] );
        $menu_items = wp_get_nav_menu_items($menu->term_id);
        $pageID = array();
        foreach($menu_items as $item) {
            if($item->object == 'page')
                $pageID[] = $item->object_id;
        }
    query_posts( array( 'post_type' => 'page','post__in' => $pageID, 'posts_per_page' => count($pageID), 'orderby' => 'post__in' ) );
}
        while(have_posts() ) : the_post();
        //Loop here.
        endwhile;
        ?>