diff --git a/styles/js/jquery.pack.js b/styles/js/jquery.pack.js
index f1a10efa4..78fa4ac41 100644
--- a/styles/js/jquery.pack.js
+++ b/styles/js/jquery.pack.js
@@ -10,6 +10,9 @@
 // json [http://jollytoad.googlepages.com/json.js]
 (function($){var m={"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},s={array:function(x){var a=["["],b,f,i,l=x.length,v;for(i=0;i<l;i+=1){v=x[i];f=s[typeof v];if(f){v=f(v);if(typeof v=="string"){if(b){a[a.length]=","}a[a.length]=v;b=true}}}a[a.length]="]";return a.join("")},"boolean":function(x){return String(x)},"null":function(x){return"null"},number:function(x){return isFinite(x)?String(x):"null"},object:function(x){if(x){if(x instanceof Array){return s.array(x)}var a=["{"],b,f,i,v;for(i in x){v=x[i];f=s[typeof v];if(f){v=f(v);if(typeof v=="string"){if(b){a[a.length]=","}a.push(s.string(i),":",v);b=true}}}a[a.length]="}";return a.join("")}return"null"},string:function(x){if(/["\\\x00-\x1f]/.test(x)){x=x.replace(/([\x00-\x1f\\"])/g,function(a,b){var c=m[b];if(c){return c}c=b.charCodeAt();return"\\u00"+Math.floor(c/16).toString(16)+(c%16).toString(16)})}return'"'+x+'"'}};$.toJSON=function(v){var f=isNaN(v)?s[typeof v]:s.number;if(f){return f(v)}};$.evalJSON=function(v,safe){if(safe===undefined){safe=$.evalJSON.safe}if(safe&&!/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(v)){return undefined}return eval("("+v+")")};$.evalJSON.safe=false})(jQuery);
 
+// old-browser-detector [1.5.2]
+!function(a,b){"object"==typeof exports&&"undefined"!=typeof module?b():"function"==typeof define&&define.amd?define(b):b()}(0,function(){"use strict";var a="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},b=function(){function a(a,b){for(var c,d=0;d<b.length;d++)c=b[d],c.enumerable=c.enumerable||!1,c.configurable=!0,"value"in c&&(c.writable=!0),Object.defineProperty(a,c.key,c)}return function(b,c,d){return c&&a(b.prototype,c),d&&a(b,d),b}}(),c={i:"Internet Explorer",f:"Firefox",o:"Opera",s:"Apple Safari",n:"Netscape Navigator",c:"Chrome",x:"Other"},d={i:11,f:20,c:20,o:10.6,s:{d:8,m:3},n:10},e=function(){function f(a,b){!function(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}(this,f),this.options=a?Object.assign({},d,a):d,this.cb=b||function(a){return console.log("Old Browser Detected: "+a)}}return b(f,[{key:"detect",value:function(){var b=f.getBrowser(),c=0;return c="object"===a(this.options[b.n])?b.isMobile?this.options[b.n].m:this.options[b.n].d:this.options[b.n],("x"===b.n||b.v<=c)&&(this.cb.call(null,b),!0)}}],[{key:"getBrowser",value:function(){var a,b,d=navigator.userAgent,f=/ipad|ipod|iphone|android/i.test(d);if(/bot|googlebot|slurp|mediapartners|adsbot|bingbot|google web preview|like firefox|chromeframe|seamonkey|opera mini|min|meego|netfront|moblin|maemo|arora|camino|flot|k-meleon|fennec|kazehakase|galeon|epiphany|rekonq|symbian|webos/i.test(d))a="x";else if(/Trident.(\d+\.\d+)/i.test(d))a="io";else if(/MSIE.(\d+\.\d+)/i.test(d))a="i";else if(/Chrome.(\d+\.\d+)/i.test(d))a="c";else if(/Firefox.(\d+\.\d+)/i.test(d))a="f";else if(/Version.(\d+.\d+).{0,10}Safari/i.test(d))a="s";else if(/Safari.(\d+)/i.test(d))a="so";else if(/Opera.*Version.(\d+\.?\d+)/i.test(d))a="o";else if(/Opera.(\d+\.?\d+)/i.test(d))a="o";else{if(!/Netscape.(\d+)/i.test(d))return{n:"x",v:0,t:c[a]};a="n"}return"x"==a?{n:"x",v:0,t:c[a]}:(b=new Number(RegExp.$1),"so"==a&&(b=(100>b?1:130>b&&1.2)||320>b&&1.3||520>b&&2||524>b&&3||526>b&&3.2||4,a="s"),"i"==a&&7==b&&window.XDomainRequest&&(b=8),"io"==a&&(a="i",b=5<b?10:4<b?9:3.1<b?8:3<b?7:9),{n:a,v:b,t:c[a]+" "+b,isMobile:f})}}]),f}();window.oldBrowserDetector=e});
+
 // treeview pre-1.4.1 [http://plugins.jquery.com/project/treeview]
 (function(a){a.extend(a.fn,{swapClass:function(e,d){var c=this.filter("."+e);this.filter("."+d).removeClass(d).addClass(e);c.removeClass(e).addClass(d);return this},replaceClass:function(d,c){return this.filter("."+d).removeClass(d).addClass(c).end()},hoverClass:function(c){c=c||"hover";return this.hover(function(){a(this).addClass(c)},function(){a(this).removeClass(c)})},heightToggle:function(c,d){c?this.animate({height:"toggle"},c,d):this.each(function(){jQuery(this)[jQuery(this).css("display")!="block"?"show":"hide"]();if(d){d.apply(this,arguments)}})},heightHide:function(c,d){if(c){this.animate({height:"hide"},c,d)}else{this.hide();if(d){this.each(d)}}},prepareBranches:function(c){if(!c.prerendered){this.filter(":last-child:not(ul)").addClass(b.last);this.filter((c.collapsed?"":"."+b.closed)+":not(."+b.open+")").find(">ul").hide()}return this.filter(":has(>ul)")},applyClasses:function(d,e){this.filter(":has(>ul):not(:has(>a))").find(">span").unbind("click.treeview").bind("click.treeview",function(f){if(this==f.target){e.apply(a(this).next())}}).add(a("a",this)).hoverClass();if(!d.prerendered){this.filter(":has(>ul:hidden)").addClass(b.expandable).replaceClass(b.last,b.lastExpandable);this.not(":has(>ul:hidden)").addClass(b.collapsable).replaceClass(b.last,b.lastCollapsable);var c=this.find("div."+b.hitarea);if(!c.length){c=this.prepend('<div class="'+b.hitarea+'"/>').find("div."+b.hitarea)}c.removeClass().addClass(b.hitarea).each(function(){var f="";a.each(a(this).parent().attr("class").split(" "),function(){f+=this+"-hitarea "});a(this).addClass(f)})}this.find("div."+b.hitarea).click(e)},treeview:function(d){d=a.extend({cookieId:"treeview"},d);if(d.toggle){var i=d.toggle;d.toggle=function(){return i.apply(a(this).parent()[0],arguments)}}function c(l,n){function m(o){return function(){f.apply(a("div."+b.hitarea,l).filter(function(){return o?a(this).parent("."+o).length:true}));return false}}a("a:eq(0)",n).click(m(b.collapsable));a("a:eq(1)",n).click(m(b.expandable));a("a:eq(2)",n).click(m())}function f(){a(this).parent().find(">.hitarea").swapClass(b.collapsableHitarea,b.expandableHitarea).swapClass(b.lastCollapsableHitarea,b.lastExpandableHitarea).end().swapClass(b.collapsable,b.expandable).swapClass(b.lastCollapsable,b.lastExpandable).find(">ul").heightToggle(d.animated,d.toggle);if(d.unique){a(this).parent().siblings().find(">.hitarea").replaceClass(b.collapsableHitarea,b.expandableHitarea).replaceClass(b.lastCollapsableHitarea,b.lastExpandableHitarea).end().replaceClass(b.collapsable,b.expandable).replaceClass(b.lastCollapsable,b.lastExpandable).find(">ul").heightHide(d.animated,d.toggle)}}this.data("toggler",f);function k(){function m(n){return n?1:0}var l=[];j.each(function(n,o){l[n]=a(o).is(":has(>ul:visible)")?1:0});a.cookie(d.cookieId,l.join(""),d.cookieOptions)}function e(){var l=a.cookie(d.cookieId);if(l){var m=l.split("");j.each(function(n,o){a(o).find(">ul")[parseInt(m[n])?"show":"hide"]()})}}this.addClass("treeview");var j=this.find("li").prepareBranches(d);switch(d.persist){case"cookie":var h=d.toggle;d.toggle=function(){k();if(h){h.apply(this,arguments)}};e();break;case"location":var g=this.find("a").filter(function(){return this.href.toLowerCase()==location.href.toLowerCase()});if(g.length){g.addClass("selected").parents("ul, li").add(g.next()).show()}break}j.applyClasses(d,f);if(d.control){c(this,d.control);a(d.control).show()}return this}});a.treeview={};var b=(a.treeview.classes={open:"open",closed:"closed",expandable:"expandable",expandableHitarea:"expandable-hitarea",lastExpandableHitarea:"lastExpandable-hitarea",collapsable:"collapsable",collapsableHitarea:"collapsable-hitarea",lastCollapsableHitarea:"lastCollapsable-hitarea",lastCollapsable:"lastCollapsable",lastExpandable:"lastExpandable",last:"last",hitarea:"hitarea"});a.fn.Treeview=a.fn.treeview})(jQuery);
 
diff --git a/styles/templates/default/page_header.tpl b/styles/templates/default/page_header.tpl
index 9664ad314..877aa2f78 100644
--- a/styles/templates/default/page_header.tpl
+++ b/styles/templates/default/page_header.tpl
@@ -236,9 +236,11 @@ function go_to_page ()
 	<b>{L_OLD_BROWSER}</b>
 </div>
 <script>
-if ( (typeof(window.opera) != "undefined" && window.opera.version() < 12) || (window.attachEvent && !window.addEventListener) /* IE < 9 */ ) {
-	document.getElementById('old-browser-warn').style.display = '';
-}
+  var Detector = new oldBrowserDetector(null, function () {
+    $('#old-browser-warn').show();
+  });
+
+  Detector.detect();
 </script>
 
 <!--main_nav-->