
 <!-----------------panreloader-----------------script-------------->
$(window).on('load', function() { // makes sure the whole site is loaded 
  $('#preloader').fadeOut(); // will first fade out the loading animation 
  $('#preloader').delay(500).fadeOut('slow'); // will fade out the white DIV that covers the website. 
  $('body').delay(500).css({'overflow':'visible'});
})

 <!-----------------pannel-----------------script-------------->
function toggleChevron(e) {
             $(e.target)
                 .prev('.panel-heading')
                 .find("i.indicator")
                 .toggleClass('ion-android-arrow-down  ion-android-arrow-up');
         }
         $('#accordion').on('hidden.bs.collapse', toggleChevron);
         $('#accordion').on('shown.bs.collapse', toggleChevron);
		 

