Interstitial code desktop + mobile

/* Interstitial code desktop + mobile */
function lx_isMobileDevice(){ if ( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i .test(navigator.userAgent)){ return true ;} else { return false ;}}
window.googletag = window.googletag || {cmd:[]};
if (lx_isMobileDevice()) {
   googletag.cmd.push( function () {
       var slot = googletag.defineOutOfPageSlot(
           ' / 45470634,21654139727/clickio_area_686233_300x600 ' .trim(),
           googletag.enums.OutOfPageFormat.INTERSTITIAL);
       // Slot returns null if the page or device does not support interstitials
       if (slot) slot.addService(googletag.pubads());
       googletag.enableServices();
       // Consider delaying until first div on page
       googletag.display(slot);
   });
}
else
{
   googletag.cmd.push( function () {
       var slot = googletag.defineOutOfPageSlot(
           ' / 45470634,21654139727/clickio_area_686237_300x600 ' .trim(),
           googletag.enums.OutOfPageFormat.INTERSTITIAL);
       // Slot returns null if the page or device does not support interstitials
       if (slot) slot.addService(googletag.pubads());
       googletag.enableServices();
       // Consider delaying until first div on page
       googletag.display(slot);
   });
}