https://dst.ac.kr/resources/_Js/browser.detect.js

1var BrowserDetect = {
2	init: function () {
3		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
4    this.version = this.searchVersion(navigator.userAgent)
5			|| this.searchVersion(navigator.appVersion)
6			|| "an unknown version";
7		this.OS = this.searchString(this.dataOS) || "an unknown OS";
8	},
9	searchString: function (data) {
10		for (var i=0;i<data.length;i++)	{
11			var dataString = data[i].string;
12			var dataProp = data[i].prop;
13			this.versionSearchString = data[i].versionSearch || data[i].identity;
14			if(dataString) {
15				if(dataString.indexOf(data[i].subString) != -1)
16					return data[i].identity;
17			}
18			else if(dataProp)
19				return data[i].identity;
20		}
21	},
22	searchVersion: function (dataString) {
23		var index = dataString.indexOf(this.versionSearchString);
24		if(index == -1) return;
25		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
26	},
27	dataBrowser: [
28		{ string: navigator.userAgent, subString: "Chrome", identity: "Chrome" },
29		{ string: navigator.userAgent, subString: "OmniWeb", versionSearch: "OmniWeb/", identity: "OmniWeb" },
30		{ string: navigator.vendor, subString: "Apple", identity: "Safari", versionSearch: "Version" },
31		{ prop: window.opera, identity: "Opera" },
32		{ string: navigator.vendor, subString: "iCab", identity: "iCab" },
33		{ string: navigator.vendor, subString: "KDE", identity: "Konqueror" },
34		{ string: navigator.userAgent, subString: "Firefox", identity: "Firefox" },
35		{ string: navigator.vendor, subString: "Camino", identity: "Camino" },
36		{		// for newer Netscapes (6+)
37			string: navigator.userAgent, subString: "Netscape", identity: "Netscape"
38		},
39		{ string: navigator.userAgent, subString: "MSIE", identity: "Explorer", versionSearch: "MSIE" },
40		{ string: navigator.userAgent, subString: "Gecko", identity: "Mozilla", versionSearch: "rv" },
41		{ // for older Netscapes (4-)
42			string: navigator.userAgent, subString: "Mozilla", identity: "Netscape", versionSearch: "Mozilla" }
43	],
44	dataOS : [
45		{ string: navigator.platform, subString: "Win", identity: "Windows" },
46		{ string: navigator.platform, subString: "Mac", identity: "Mac" },
47		{ string: navigator.userAgent, subString: "iPhone", identity: "iPhone/iPod" },
48		{ string: navigator.platform, subString: "Linux", identity: "Linux" }
49	]
50
51};
52BrowserDetect.init();
53
54if((BrowserDetect.browser == "Explorer") && (BrowserDetect.version == "6")) {
55  document.execCommand("BackgroundImageCache", false, true)
56}