diff --git a/app/pub/scripts/klanviewer.js b/app/pub/scripts/klanviewer.js
index 2c0a209..4f55602 100644
--- a/app/pub/scripts/klanviewer.js
+++ b/app/pub/scripts/klanviewer.js
@@ -149,6 +149,8 @@ function setzoom( cname, cvalue, exdays = 30 ) {
 
 function startpdfviewer(newcurr){
 
+  var embed = false;
+
   pdcurr =  getzoom('pdcurr');
   
   if (pdcurr == newcurr){
@@ -165,7 +167,20 @@ function startpdfviewer(newcurr){
 
   var detect = new MobileDetect(window.navigator.userAgent);
 
-  if (detect.phone()){
+  if (category == 3 || detect.phone()){
+    embed = false;
+  }  
+
+  if(navigator.userAgent.indexOf("Opera")){
+    embed = true;
+  }
+  
+
+  if (embed){    
+    document.getElementById(pdfcanvas).innerHTML = '<embed src="'+ url +'" width="100%" type="application/pdf" style="height: 100vh;">';  
+  }  
+
+  else {
 
     var canv = document.createElement('canvas');
     canv.id = 'the-pdf';
@@ -177,12 +192,6 @@ function startpdfviewer(newcurr){
     });
    
   }
-  else {
-
-    document.getElementById(pdfcanvas).innerHTML = '<embed src="'+ url +'" width="100%" type="application/pdf" style="height: 100vh;">'; 
-    
-  }
-
 
 
       
diff --git a/app/views/layout.phtml b/app/views/layout.phtml
index 04dd608..9bd6110 100644
--- a/app/views/layout.phtml
+++ b/app/views/layout.phtml
@@ -4,7 +4,7 @@
   <//base href="<?=SITE?>">
   <script src="/pub/scripts/pdf.min.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/mobile-detect/1.4.4/mobile-detect.min.js"></script>
-  <script src="/pub/scripts/klanviewer.js?ver=9"></script>
+  <script src="/pub/scripts/klanviewer.js?ver=12"></script>
   <link rel="stylesheet" type="text/css" href="/pub/css/an.css?ver=204">
   <link rel="icon" type="image/ico" href="https://argumenti.ru/favicon.ico">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">