function getCurrentOs() {
    var OSName="Unknown OS";
    if (navigator.appVersion.indexOf("Win")!=-1) OSName="Windows";
    if (navigator.appVersion.indexOf("Mac")!=-1) OSName="MacOS";
    if (navigator.appVersion.indexOf("X11")!=-1) OSName="UNIX";
    if (navigator.appVersion.indexOf("Linux")!=-1) OSName="Linux";

    return OSName;
}

function setLessDev(toggle) {
    if(toggle) {
        less.env = "development";
        less.watch();
    }
    return;
}

function writeMailAddress(text, cls) {
    // Email obfuscator script 2.1 by Tim Williams, University of Arizona
    // Random encryption key feature by Andrew Moulden, Site Engineering Ltd
    // This code is freeware provided these four comment lines remain intact
    // A wizard to generate this code is at http://www.jottings.com/obfuscator/
    coded = "ovAL7G@I1d.GAo"
    key = "WAcSTI9yL068QJBqxmhZRNPbHzYtkld1fnDirsCFKoU2apEGje4XOg37w5vVMu"
    shift=coded.length
    encMailLink=""
    for (i=0; i<coded.length; i++) {
        if (key.indexOf(coded.charAt(i))==-1) {
            ltr = coded.charAt(i)
            encMailLink += (ltr)
        } else {     
            ltr = (key.indexOf(coded.charAt(i))-shift+key.length) % key.length
            encMailLink += (key.charAt(ltr))
        }
    }
    document.write('<a' + ((cls !== undefined) ? 'class="' + cls + '"' : '') + ' href="mailto:' + encMailLink + '">' + text + '</a>')
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

function fontFallback() {
    if (! (BrowserDetect.browser === 'Chrome' && parseFloat(BrowserDetect.version) >= 9)) {
        var fileRef = document.createElement('link');
        fileRef.setAttribute("rel", "stylesheet");
        fileRef.setAttribute("type", "text/css");
        fileRef.setAttribute("href", "css/font-face-fallback.css");
        document.getElementsByTagName("head")[0].appendChild(fileRef)
    }
}