Conflicting js

Hi in the file avia.js could you tell me what the lines of code running from 1590 – 1625 at the bottom of the file are used for?

I’m thinking of removing them from the file as it’s causing problems with my own script. The js in avia that I want to remove is

/*
* jQuery Browser Plugin 0.0.6
* https://github.com/gabceb/jquery-browser-plugin
*
* Original jquery-browser code Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors
* http://jquery.org/license
*
* Modifications Copyright 2014 Gabriel Cebrian
* https://github.com/gabceb
*
* Released under the MIT license
*/!function(a,b){“use strict”;var c,d;if(a.uaMatch=function(a){a=a.toLowerCase();var b=/(opr)[\/]([\w.]+)/.exec(a)||/(chrome)[ \/]([\w.]+)/.exec(a)||/(version)[ \/]([\w.]+).*(safari)[ \/]([\w.]+)/.exec(a)||/(webkit)[ \/]([\w.]+)/.exec(a)||/(opera)(?:.*version|)[ \/]([\w.]+)/.exec(a)||/(msie) ([\w.]+)/.exec(a)||a.indexOf(“trident”)>=0&&/(rv)(?::| )([\w.]+)/.exec(a)||a.indexOf(“compatible”)<0&&/(mozilla)(?:.*? rv:([\w.]+)|)/.exec(a)||[],c=/(ipad)/.exec(a)||/(iphone)/.exec(a)||/(android)/.exec(a)||/(windows phone)/.exec(a)||/(win)/.exec(a)||/(mac)/.exec(a)||/(linux)/.exec(a)||/(cros)/i.exec(a)||[];return{browser:b[3]||b[1]||””,version:b[2]||”0″,platform:c[0]||””}},c=a.uaMatch(b.navigator.userAgent),d={},c.browser&&(d[c.browser]=!0,d.version=c.version,d.versionNumber=parseInt(c.version)),c.platform&&(d[c.platform]=!0),(d.android||d.ipad||d.iphone||d[“windows phone”])&&(d.mobile=!0),(d.cros||d.mac||d.linux||d.win)&&(d.desktop=!0),(d.chrome||d.opr||d.safari)&&(d.webkit=!0),d.rv){var e=”msie”;c.browser=e,d[e]=!0}if(d.opr){var f=”opera”;c.browser=f,d[f]=!0}if(d.safari&&d.android){var g=”android”;c.browser=g,d[g]=!0}d.name=c.browser,d.platform=c.platform,a.browser=d}(jQuery,window);

/*Vimeo Frogaloop API for videos*/
var Froogaloop=function(){function e(a){return new e.fn.init(a)}function h(a,c,b){if(!b.contentWindow.postMessage)return!1;var f=b.getAttribute(“src”).split(“?”)[0],a=JSON.stringify({method:a,value:c});”//”===f.substr(0,2)&&(f=window.location.protocol+f);b.contentWindow.postMessage(a,f)}function j(a){var c,b;try{c=JSON.parse(a.data),b=c.event||c.method}catch(f){}”ready”==b&&!i&&(i=!0);if(a.origin!=k)return!1;var a=c.value,e=c.data,g=””===g?null:c.player_id;c=g?d[g][b]:d[b];b=[];if(!c)return!1;void 0!==
a&&b.push(a);e&&b.push(e);g&&b.push(g);return 0<b.length?c.apply(null,b):c.call()}function l(a,c,b){b?(d[b]||(d[b]={}),d[b][a]=c):d[a]=c}var d={},i=!1,k=””;e.fn=e.prototype={element:null,init:function(a){“string”===typeof a&&(a=document.getElementById(a));this.element=a;a=this.element.getAttribute(“src”);”//”===a.substr(0,2)&&(a=window.location.protocol+a);for(var a=a.split(“/”),c=””,b=0,f=a.length;b<f;b++){if(3>b)c+=a[b];else break;2>b&&(c+=”/”)}k=c;return this},api:function(a,c){if(!this.element||
!a)return!1;var b=this.element,f=””!==b.id?b.id:null,d=!c||!c.constructor||!c.call||!c.apply?c:null,e=c&&c.constructor&&c.call&&c.apply?c:null;e&&l(a,e,f);h(a,d,b);return this},addEvent:function(a,c){if(!this.element)return!1;var b=this.element,d=””!==b.id?b.id:null;l(a,c,d);”ready”!=a?h(“addEventListener”,a,b):”ready”==a&&i&&c.call(null,d);return this},removeEvent:function(a){if(!this.element)return!1;var c=this.element,b;a:{if((b=””!==c.id?c.id:null)&&d[b]){if(!d[b][a]){b=!1;break a}d[b][a]=null}else{if(!d[a]){b=
!1;break a}d[a]=null}b=!0}”ready”!=a&&b&&h(“removeEventListener”,a,c)}};e.fn.init.prototype=e.fn;window.addEventListener?window.addEventListener(“message”,j,!1):window.attachEvent(“onmessage”,j);return window.Froogaloop=window.$f=e}();

// http://paulirish.com/2011/requestanimationframe-for-smart-animating/ + http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel. can be removed if IE9 is no longer supported or all parallax scripts are gone MIT license
(function(){var lastTime=0;var vendors=[‘ms’,’moz’,’webkit’,’o’];for(var x=0;x<vendors.length&&!window.requestAnimationFrame;++x){window.requestAnimationFrame=window[vendors[x]+’RequestAnimationFrame’];window.cancelAnimationFrame=window[vendors[x]+’CancelAnimationFrame’]||window[vendors[x]+’CancelRequestAnimationFrame’]}if(!window.requestAnimationFrame)window.requestAnimationFrame=function(callback,element){var currTime=new Date().getTime();var timeToCall=Math.max(0,16-(currTime-lastTime));var id=window.setTimeout(function(){callback(currTime+timeToCall)},timeToCall);lastTime=currTime+timeToCall;return id};if(!window.cancelAnimationFrame)window.cancelAnimationFrame=function(id){clearTimeout(id)}}());

jQuery.expr[‘:’].regex = function(elem, index, match) {
var matchParams = match[3].split(‘,’),
validLabels = /^(data|css):/,
attr = {
method: matchParams[0].match(validLabels) ?
matchParams[0].split(‘:’)[0] : ‘attr’,
property: matchParams.shift().replace(validLabels,”)
},
regexFlags = ‘ig’,
regex = new RegExp(matchParams.join(”).replace(/^\s+|\s+$/g,”), regexFlags);
return regex.test(jQuery(elem)[attr.method](attr.property));
}