anpdf/app/views/anpdf2.phtml

<script>
    var pdfDoc = null,
        pageNum = <?=$pagenum?>,
        scale = <?=$scale?>,
        url = '<?=$pdfile?>', 
        pageRendering = false,
        pageNumPending = null,
        nexturl = '<?=$nexturl?>',
        newcurr ='<?=$newcurr?>',
        prevurl = '<?=$prevurl?>';       
</script>

    <p id="downloadtitle">
        <?if ($filedown):?>
          <a href="<?=$fullpdf?>"><?=$downtitle?></a><span id="downarrow">↑</span>
        <?else:?>  
          <a href="https://argumenti.ru/robomail/486?utm_source=argumenti.ru&utm_medium=subscript&utm_campaign=promo">Получайте «Газету на @email»</a> 
        <?endif?>  
    </p>

<div id="stuff-bar">
<div id="zoomnav">
  <div id="title_minus" onclick="resize_minus()">
    <span><i class="fa fa-search-minus" aria-hidden="true"></i></span>
  </div>

  <div id="zoomstatus_up" class="zoomstatus">100%</div>

  <div id="title_plus" onclick="resize_plus()">
    <span><i class="fa fa-search-plus" aria-hidden="true"></i></span>
  </div>

</div>

<div id="pagenav">
            <?if (isset($prevurl)):?>
              <div class="navpage"><a href="<?=$prevurl?>"><i class="fa fa-chevron-circle-left" aria-hidden="true"></i></a></div>
            <?endif?>
            <div id="currpage"><?=$page?></div>
            <?if (isset($nexturl)):?><div class="navpage"><a href="<?=$nexturl?>"><i class="fa fa-chevron-circle-right" aria-hidden="true"></i></a></div><?endif?>
</div>
</div>

<div id="pdfprogress">Идет обращение к серверу...</div>

<canvas id="the-canvas"></canvas>
<script>startpdfviewer(newcurr);</script>
<div id="stuff-bar">
<div id="zoomnav">
  <div id="title_minus" onclick="resize_minus()"> 
    <span><i class="fa fa-search-minus" aria-hidden="true"></i></span>
  </div>

  <div id="title_plus" onclick="resize_plus()">
    <span><i class="fa fa-search-plus" aria-hidden="true"></i></span>
  </div>

</div>

<div id="pagenav">
            <?if (isset($prevurl)):?><div class="navpage"><a href="<?=$prevurl?>"><i class="fa fa-chevron-circle-left" aria-hidden="true"></i></a></div><?endif?>
            <div id="currpage"><?=$page?></div>
            <?if (isset($nexturl)):?><div class="navpage"><a href="<?=$nexturl?>"><i class="fa fa-chevron-circle-right" aria-hidden="true"></i></a></div><?endif?>
</div>
</div>