prev/next button problems

Hi, I have a problem, i’m using your plug in in my web site, but i have a big problem with the prev/next buttons, I used the slide rigth and it works, when I put the prev/next buttons i do in this way: in the header.php in a <script> i put jQuery('.total-slider').cycle({ speed: 1000, timeout: 11000, prev: jQuery('#total-slider-previous'), next: jQuery('#total-slider-next') }); and also jQuery('.ts-default').cycle({ speed: 1000, timeout: 11000, prev: jQuery('#total-slider-previous'), next: jQuery('#total-slider-next') }); the last one class is the slide class, after this, i create in my index.php inside the div called <div id="slideHome"> <div id="total-slider-previous" class="arrow-previous"></div> <div id="total-slider-next" class="arrow-next"></div> after this the page load the slide, i tried to use <?php if ( $s->is_runtime() ) : ?> <div id="total-slider-previous" class="arrow-previous"></div> <div id="total-slider-next" class="arrow-next"></div> <?php endif; ?> but i had a Fatal error: Call to a member function is_runtime() on a non-object in I don’t know that i need to do, help please thanks! https://wordpress.org/plugins/total-slider/