/*Header fixed code open*/
$(window).scroll(function(){
var sticky = $('.top_area header'),
scroll = $(window).scrollTop();
if (scroll >= 100){
sticky.addClass('fixed fixed-top');
$('.float_action').fadeIn();
$('.gotop').fadeIn();
}
else {
sticky.removeClass('fixed fixed-top');
$('.float_action').fadeOut();
$('.gotop').fadeOut();
}
});