$(document).ready(function() {

/* navbook1 */
$('.btn-navbook1').mouseover(function() {
$('.subnav1').slideDown('slow');
});

$('.bookout').mouseover(function() {
$('.subnav1').hide('slow');
});

$('.btn-navbook1').mouseover(function() {
$('.subnav2,.subnav3,.subnav4').hide('slow');
});

enable_extended_navbook = false ;
if( enable_extended_navbook ) {
	/* navbook2 */
	$('.btn-navbook2').mouseover(function() {
	$('.subnav2').slideDown('slow');
	});
	
	$('.bookout').mouseover(function() {
	$('.subnav2').hide('slow');
	});
	
	$('.btn-navbook2').mouseover(function() {
	$('.subnav1,.subnav3,.subnav4').hide('slow');
	});
	
	/* navbook3 */
	$('.btn-navbook3').mouseover(function() {
	$('.subnav3').slideDown('slow');
	});
	
	$('.bookout').mouseover(function() {
	$('.subnav3').hide('slow');
	});
	
	$('.btn-navbook3').mouseover(function() {
	$('.subnav1,.subnav2,.subnav4').hide('slow');
	});
	
	/* navbook4 */
	$('.btn-navbook4').mouseover(function() {
	$('.subnav4').slideDown('slow');
	});
	
	$('.bookout').mouseover(function() {
	$('.subnav4').hide('slow');
	});
	
	$('.btn-navbook4').mouseover(function() {
	$('.subnav1,.subnav2,.subnav3').hide('slow');
	});
}

/* share bar */
$(".btn-share").click(function () {
$("#div1").fadeIn("slow");
  });
$(".btn-closeshare").click(function () {
$("#div1").fadeOut("slow");
   });

});