kosso/gist:5596362

## gistfile1.txt
// Various useful functions.


function dateformat (format, timestamp) {
    var that = this,
        jsdate, f, formatChr = /\\?([a-z])/gi,
        formatChrCb,
        // Keep this here (works, but for code commented-out
        // below for file size reasons)
        //, tal= [],
        _pad = function (n, c) {
            if ((n = n + '').length < c) {
                return new Array((++c) - n.length).join('0') + n;
            }
            return n;
        },
        txt_words = ["Sun", "Mon", "Tues", "Wednes", "Thurs", "Fri", "Satur", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
    formatChrCb = function (t, s) {
        return f[t] ? f[t]() : s;
    };
    f = {
        // Day
        d: function () { // Day of month w/leading 0; 01..31
            return _pad(f.j(), 2);
        },
        D: function () { // Shorthand day name; Mon...Sun
            return f.l().slice(0, 3);
        },
        j: function () { // Day of month; 1..31
            return jsdate.getDate();
        },
        l: function () { // Full day name; Monday...Sunday
            return txt_words[f.w()] + 'day';
        },
        N: function () { // ISO-8601 day of week; 1[Mon]..7[Sun]
            return f.w() || 7;
        },
        S: function () { // Ordinal suffix for day of month; st, nd, rd, th
            var j = f.j();
            return j > 4 && j < 21 ? 'th' : {1: 'st', 2: 'nd', 3: 'rd'}[j % 10] || 'th';
        },
        w: function () { // Day of week; 0[Sun]..6[Sat]
            return jsdate.getDay();
        },
        z: function () { // Day of year; 0..365
            var a = new Date(f.Y(), f.n() - 1, f.j()),
                b = new Date(f.Y(), 0, 1);
            return Math.round((a - b) / 864e5) + 1;
        },

        // Week
        W: function () { // ISO-8601 week number
            var a = new Date(f.Y(), f.n() - 1, f.j() - f.N() + 3),
                b = new Date(a.getFullYear(), 0, 4);
            return _pad(1 + Math.round((a - b) / 864e5 / 7), 2);
        },

        // Month
        F: function () { // Full month name; January...December
            return txt_words[6 + f.n()];
        },
        m: function () { // Month w/leading 0; 01...12
            return _pad(f.n(), 2);
        },
        M: function () { // Shorthand month name; Jan...Dec
            return f.F().slice(0, 3);
        },
        n: function () { // Month; 1...12
            return jsdate.getMonth() + 1;
        },
        t: function () { // Days in month; 28...31
            return (new Date(f.Y(), f.n(), 0)).getDate();
        },

        // Year
        L: function () { // Is leap year?; 0 or 1
            return new Date(f.Y(), 1, 29).getMonth() === 1 | 0;
        },
        o: function () { // ISO-8601 year
            var n = f.n(),
                W = f.W(),
                Y = f.Y();
            return Y + (n === 12 && W < 9 ? -1 : n === 1 && W > 9);
        },
        Y: function () { // Full year; e.g. 1980...2010
            return jsdate.getFullYear();
        },
        y: function () { // Last two digits of year; 00...99
            return (f.Y() + "").slice(-2);
        },

        // Time
        a: function () { // am or pm
            return jsdate.getHours() > 11 ? "pm" : "am";
        },
        A: function () { // AM or PM
            return f.a().toUpperCase();
        },
        B: function () { // Swatch Internet time; 000..999
            var H = jsdate.getUTCHours() * 36e2,
                // Hours
                i = jsdate.getUTCMinutes() * 60,
                // Minutes
                s = jsdate.getUTCSeconds(); // Seconds
            return _pad(Math.floor((H + i + s + 36e2) / 86.4) % 1e3, 3);
        },
        g: function () { // 12-Hours; 1..12
            return f.G() % 12 || 12;
        },
        G: function () { // 24-Hours; 0..23
            return jsdate.getHours();
        },
        h: function () { // 12-Hours w/leading 0; 01..12
            return _pad(f.g(), 2);
        },
        H: function () { // 24-Hours w/leading 0; 00..23
            return _pad(f.G(), 2);
        },
        i: function () { // Minutes w/leading 0; 00..59
            return _pad(jsdate.getMinutes(), 2);
        },
        s: function () { // Seconds w/leading 0; 00..59
            return _pad(jsdate.getSeconds(), 2);
        },
        u: function () { // Microseconds; 000000-999000
            return _pad(jsdate.getMilliseconds() * 1000, 6);
        },

        I: function () { // DST observed?; 0 or 1
            // Compares Jan 1 minus Jan 1 UTC to Jul 1 minus Jul 1 UTC.
            // If they are not equal, then DST is observed.
            var a = new Date(f.Y(), 0),
                // Jan 1
                c = Date.UTC(f.Y(), 0),
                // Jan 1 UTC
                b = new Date(f.Y(), 6),
                // Jul 1
                d = Date.UTC(f.Y(), 6); // Jul 1 UTC
            return 0 + ((a - c) !== (b - d));
        },
        O: function () { // Difference to GMT in hour format; e.g. +0200
            var a = jsdate.getTimezoneOffset();
            return (a > 0 ? "-" : "+") + _pad(Math.abs(a / 60 * 100), 4);
        },
        P: function () { // Difference to GMT w/colon; e.g. +02:00
            var O = f.O();
            return (O.substr(0, 3) + ":" + O.substr(3, 2));
        },
        T: function () { // Timezone abbreviation; e.g. EST, MDT, ...
            return 'UTC';
        },
        Z: function () { // Timezone offset in seconds (-43200...50400)
            return -jsdate.getTimezoneOffset() * 60;
        },

        // Full Date/Time
        c: function () { // ISO-8601 date.
            return 'Y-m-d\\Th:i:sP'.replace(formatChr, formatChrCb);
        },
        r: function () { // RFC 2822
            return 'D, d M Y H:i:s O'.replace(formatChr, formatChrCb);
        },
        U: function () { // Seconds since UNIX epoch
            return jsdate.getTime() / 1000 | 0;
        }
    };
    this.date = function (format, timestamp) {
        that = this;
        jsdate = ((typeof timestamp === 'undefined') ? new Date() : // Not provided
        (timestamp instanceof Date) ? new Date(timestamp) : // JS Date()
        new Date(timestamp * 1000) // UNIX timestamp (auto-convert to int)
        );
        return format.replace(formatChr, formatChrCb);
    };
    return this.date(format, timestamp);
}

function strtotime (str, now) {
    var i, match, s, strTmp = '',
        parse = '';
    strTmp = str;
    strTmp = strTmp.replace(/\s{2,}|^\s|\s$/g, ' '); // unecessary spaces
    strTmp = strTmp.replace(/[\t\r\n]/g, ''); // unecessary chars
    strTmp = strTmp.replace(/T/g, ' '); // unecessary chars
    strTmp = strTmp.replace(/\.000Z/g, ''); // unecessary chars
    if (strTmp == 'now') {
        return (new Date()).getTime() / 1000; // Return seconds, not milli-seconds
    } else if (!isNaN(parse = Date.parse(strTmp))) {
        return (parse / 1000);
    } else if (now) {
        now = new Date(now * 1000); // Accept PHP-style seconds
    } else {
        now = new Date();
    }
    strTmp = strTmp.toLowerCase();
    var __is = {
        day: {
            'sun': 0,
            'mon': 1,
            'tue': 2,
            'wed': 3,
            'thu': 4,
            'fri': 5,
            'sat': 6
        },
        mon: {
            'jan': 0,
            'feb': 1,
            'mar': 2,
            'apr': 3,
            'may': 4,
            'jun': 5,
            'jul': 6,
            'aug': 7,
            'sep': 8,
            'oct': 9,
            'nov': 10,
            'dec': 11
        }
    };
    var process = function (m) {
        var ago = (m[2] && m[2] == 'ago');
        var num = (num = m[0] == 'last' ? -1 : 1) * (ago ? -1 : 1);
        switch (m[0]) {
        case 'last':
        case 'next':
            switch (m[1].substring(0, 3)) {
            case 'yea':
                now.setFullYear(now.getFullYear() + num);
                break;
            case 'mon':
                now.setMonth(now.getMonth() + num);
                break;
            case 'wee':
                now.setDate(now.getDate() + (num * 7));
                break;
            case 'day':
                now.setDate(now.getDate() + num);
                break;
            case 'hou':
                now.setHours(now.getHours() + num);
                break;
            case 'min':
                now.setMinutes(now.getMinutes() + num);
                break;
            case 'sec':
                now.setSeconds(now.getSeconds() + num);
                break;
            default:
                var day;
                if (typeof(day = __is.day[m[1].substring(0, 3)]) != 'undefined') {
                    var diff = day - now.getDay();
                    if (diff == 0) {
                        diff = 7 * num;
                    } else if (diff > 0) {
                        if (m[0] == 'last') {
                            diff -= 7;
                        }
                    } else {
                        if (m[0] == 'next') {
                            diff += 7;
                        }
                    }
                    now.setDate(now.getDate() + diff);
                }
            }
            break;
        default:
            if (/\d+/.test(m[0])) {
                num *= parseInt(m[0], 10);

                switch (m[1].substring(0, 3)) {
                case 'yea':
                    now.setFullYear(now.getFullYear() + num);
                    break;
                case 'mon':
                    now.setMonth(now.getMonth() + num);
                    break;
                case 'wee':
                    now.setDate(now.getDate() + (num * 7));
                    break;
                case 'day':
                    now.setDate(now.getDate() + num);
                    break;
                case 'hou':
                    now.setHours(now.getHours() + num);
                    break;
                case 'min':
                    now.setMinutes(now.getMinutes() + num);
                    break;
                case 'sec':
                    now.setSeconds(now.getSeconds() + num);
                    break;
                }
            } else {
                return false;
            }
            break;
        }
        return true;
    };
    match = strTmp.match(/^(\d{2,4}-\d{2}-\d{2})(?:\s(\d{1,2}:\d{2}(:\d{2})?)?(?:\.(\d+))?)?$/);
    if (match != null) {
        if (!match[2]) {
            match[2] = '00:00:00';
        } else if (!match[3]) {
            match[2] += ':00';
        }
        s = match[1].split(/-/g);
        for (i in __is.mon) {
            if (__is.mon[i] == s[1] - 1) {
                s[1] = i;
            }
        }
        s[0] = parseInt(s[0], 10);
        s[0] = (s[0] >= 0 && s[0] <= 69) ? '20' + (s[0] < 10 ? '0' + s[0] : s[0] + '') : (s[0] >= 70 && s[0] <= 99) ? '19' + s[0] : s[0] + '';
        return parseInt(this.strtotime(s[2] + ' ' + s[1] + ' ' + s[0] + ' ' + match[2]) + (match[4] ? match[4] / 1000 : ''), 10);
    }
    var regex = '([+-]?\\d+\\s' + '(years?|months?|weeks?|days?|hours?|min|minutes?|sec|seconds?' + '|sun\\.?|sunday|mon\\.?|monday|tue\\.?|tuesday|wed\\.?|wednesday' + '|thu\\.?|thursday|fri\\.?|friday|sat\\.?|saturday)' + '|(last|next)\\s' + '(years?|months?|weeks?|days?|hours?|min|minutes?|sec|seconds?' + '|sun\\.?|sunday|mon\\.?|monday|tue\\.?|tuesday|wed\\.?|wednesday' + '|thu\\.?|thursday|fri\\.?|friday|sat\\.?|saturday))' + '(\\sago)?';
    match = strTmp.match(new RegExp(regex, 'gi')); // Brett: seems should be case insensitive per docs, so added 'i'
    if (match == null) {
        return false;
    }
    for (i = 0; i < match.length; i++) {
        if (!process(match[i].split(' '))) {
            return false;
        }
    }
    return (now.getTime() / 1000);
}


function strip_tags (str, allowed_tags) {
    // http://kevin.vanzonneveld.net

    var key = '', allowed = false;
    var matches = [];
    var allowed_array = [];
    var allowed_tag = '';
    var i = 0;
    var k = '';
    var html = '';

    var replacer = function (search, replace, str) {
        return str.split(search).join(replace);
    };

    // Build allowes tags associative array
    if (allowed_tags) {
        allowed_array = allowed_tags.match(/([a-zA-Z0-9]+)/gi);
    }

    str += '';

    // Match tags
    matches = str.match(/(<\/?[\S][^>]*>)/gi);

    // Go through all HTML tags
    for (key in matches) {

		if(key){

			// Save HTML tag
			html = matches[key].toString();

			// Is tag not in allowed list? Remove from str!
			allowed = false;

			// Go through all allowed tags
			for (k in allowed_array) {

				if(k){

					// Init
					allowed_tag = allowed_array[k];
					i = -1;

					if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+'>');}
					if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+' ');}
					if (i != 0) { i = html.toLowerCase().indexOf('</'+allowed_tag)   ;}

					// Determine
					if (i == 0) {
						allowed = true;
						break;
					}

				}
			}

			if (!allowed) {
				str = replacer(html, "", str); // Custom replace. No regexing
			}

        }
    }

    return str;
}

function openCustomBrowser(currentWin,url, emailer, evals){
    evals = null || evals;
    //emailer = true || emailer; // show share via email button by default.

    // curentWindow, url, [title, barcolor]

    Ti.API.info('emailr : '+emailer);

    if(Titanium.Platform.osname=='android'){

        Ti.Platform.openURL(url);

        return;

    }


    url = url.replace('Http://','http://');

    url = url + '?from_app=true';

    var current_url = url;


    var w = Ti.UI.createWindow();
   // w.orientationModes = [
    //    Titanium.UI.PORTRAIT
    //];
    w.tabBarHidden = true;


    var top_view = Ti.UI.createView({
        top:0,
        left:0,
        right:0,
        zIndex:1,
        backgroundColor:'#222',
        bottom:0,
        height:40
    });

    var logo = Ti.UI.createImageView({
        image:'/images/amazing_logo1.png',
        top:0,
        right:60,
        width:153,
        height:40
    });

    top_view.add(logo);

    var back_button = Titanium.UI.createButton({
        width:80,
        left:10,
        height:40,
        backgroundColor:'transparent',
        backgroundImage:'/images/back.png'
    });

    top_view.add(back_button);


    back_button.addEventListener('click',function(){
        w.close({animated:true});
        //post_win = null;
        //back_button = null;
    });

    w.add(top_view);

    //var win_title = 'web browser';
    //if(t!=null){
    //    win_title = t;
    //}
    var barcol = '#222';
    //if(c!=null){
    //    barcol = c;
    //}
    var flexSpace = Titanium.UI.createButton({
        systemButton:Titanium.UI.iPhone.SystemButton.FLEXIBLE_SPACE
    });

    var webwindow = Ti.UI.createWebView({top:40});
    webwindow.url = url;
    //w.backButtonTitle = '< back';
    w.barColor = barcol;
    //w.title = win_title;
    w.add(webwindow);
    /*
    var loadIndBg = Ti.UI.createView({
        width:80,
        height:80,
        backgroundColor:'#000000',
        borderRadius:40,
        opacity:0.5
    });
    webwindow.add(loadIndBg);
    var loadInd = Ti.UI.createActivityIndicator({
        height:50,
        width:50,
        style:Ti.UI.iPhone.ActivityIndicatorStyle.BIG
    });
    webwindow.add(loadInd);
    */
    var back_button = Ti.UI.createButton({
       image: '/images/btn_back.png',enabled:false
    });
    back_button.addEventListener('click', function(){
        webwindow.goBack();
    });
    var forward_button = Ti.UI.createButton({
       image: '/images/btn_fwd.png',enabled:false
    });
    forward_button.addEventListener('click', function(){
        webwindow.goForward();
    });
    var refresh_button = Ti.UI.createButton({
        systemButton:Ti.UI.iPhone.SystemButton.REFRESH
    });
    refresh_button.addEventListener('click', function(){
        webwindow.reload();
    });
    w.toolbar = [back_button,flexSpace,refresh_button,flexSpace,forward_button];
    webwindow.addEventListener('beforeload',function(e){

        //Ti.API.info('BEFORELOAD e.url : '+e.url);

        //loadIndBg.show();
        //loadInd.show();
    });
    webwindow.addEventListener('load',function(e){
        //loadIndBg.hide();
        //loadInd.hide();
        if(webwindow.canGoForward()){
            forward_button.enabled = true;
        } else {
            forward_button.enabled = false;
        }
        if(webwindow.canGoBack()){
            back_button.enabled = true;
        } else {
            back_button.enabled = false;
        }
        current_url = e.url;

        Ti.API.info('LOAD e.url : '+e.url);

        if(evals!=null){

             webwindow.evalJS(evals);

        }

        //Ti.API.info('HTML: ');
        //Ti.API.info(e.source.html);


    });

    /*
    webwindow.addEventListener('swipe', function(e){
        if(e.direction=='right'){
            w.close({animated:true});
            w = null;
            webwindow = null;
        }

    });
    */


    var send_link = Titanium.UI.createButton({
        top:10,
        right:10,
        image:'images/email.png',
        style:Titanium.UI.iPhone.SystemButtonStyle.PLAIN
    });
    if(emailer){
        top_view.add(send_link);
    }
    // this makes sure the window opens
    // currentWin is the currentwindow
    if(currentWin!=undefined){
        //Ti.API.info('currentWin:'+currentWin);
        currentWin.tab.open(w);
    }
    send_link.addEventListener('click', function(e){
        var fw = webwindow.toImage();
        var oldFile = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory, 'tune.jpg');
        if(oldFile.exists()){
            oldFile.deleteFile();
            oldFile = null;
        }
        var newFile = Titanium.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory,'tune.jpg');
        newFile.write(fw);
        var at_img = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory, 'tune.jpg');
        var emailDialog = Titanium.UI.createEmailDialog({html:true,barColor:'#222'});
        emailDialog.subject = "Check out this tune! : "+now_playing_tune.owner.display_name+" : "+now_playing_tune.title;
        emailDialog.messageBody = "<b>I found this track you'll love on Amazing Radio</b><br />"+now_playing_tune.title+" : "+now_playing_tune.owner.display_name+"<br /><b>http://"+now_playing_tune.owner.permalink+".amazingtunes.com</b><br /><br />cheers!";
        emailDialog.addAttachment(at_img);
        emailDialog.open();
    });

}


function trim (str, charlist) {
    var whitespace, l = 0, i = 0;
    str += '';
    if (!charlist) {
        whitespace = " \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000";
    } else {
        charlist += '';
        whitespace = charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '$1');
    }
    l = str.length;
    for (i = 0; i < l; i++) {
        if (whitespace.indexOf(str.charAt(i)) === -1) {
            str = str.substring(i);
            break;
        }
    }
    l = str.length;
    for (i = l - 1; i >= 0; i--) {
        if (whitespace.indexOf(str.charAt(i)) === -1) {
            str = str.substring(0, i + 1);
            break;
        }
    }
    return whitespace.indexOf(str.charAt(0)) === -1 ? str : '';
}


function openWindow(win, url){

    var heavy = true;
    /*
    if(os!='android'){
        var back_button = Titanium.UI.createButton({
            width:80,
            height:40,
            backgroundColor:'red',
            backgroundImage:'/images/back.png'
        });

        //heavy = false;
    }
    */


    var post_win = Ti.UI.createWindow({
        top:0,
        left:0,
        right:0,
        bottom:0,
        navBarHidden:heavy, // for android
        //titleControl:titleView,
        //backgroundGradient:row_gradient,
        backgroundColor:'#333',
        //barImage:'/images/bar_bg.png',
        //backButtonTitle:'< back',
        //barColor:'#222',
        url:url
    });

    //if(os!='android'){
    //  post_win.leftNavButton = back_button;
    //}

    /*
    if(os!='android'){

        back_button.addEventListener('click',function(){
            post_win.close({animated:true});
            post_win = null;
            back_button = null;
        });

    }
    */

    //win.tab.open(post_win,{animated:true});

    //alert('ok');
    if(os=='android'){
        post_win.open({animated:true});
    } else {
        win.tab.open(post_win,{animated:true});
    }

}

exports.openWindow = openWindow;
exports.openCustomBrowser = openCustomBrowser;
exports.strip_tags = strip_tags;
exports.trim = trim;
exports.dateformat = dateformat;
exports.strtotime = strtotime;
	// Various useful functions.


	function dateformat (format, timestamp) {
	var that = this,
	jsdate, f, formatChr = /\\?([a-z])/gi,
	formatChrCb,
	// Keep this here (works, but for code commented-out
	// below for file size reasons)
	//, tal= [],
	_pad = function (n, c) {
	if ((n = n + '').length < c) {
	return new Array((++c) - n.length).join('0') + n;
	}
	return n;
	},
	txt_words = ["Sun", "Mon", "Tues", "Wednes", "Thurs", "Fri", "Satur", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
	formatChrCb = function (t, s) {
	return f[t] ? f[t]() : s;
	};
	f = {
	// Day
	d: function () { // Day of month w/leading 0; 01..31
	return _pad(f.j(), 2);
	},
	D: function () { // Shorthand day name; Mon...Sun
	return f.l().slice(0, 3);
	},
	j: function () { // Day of month; 1..31
	return jsdate.getDate();
	},
	l: function () { // Full day name; Monday...Sunday
	return txt_words[f.w()] + 'day';
	},
	N: function () { // ISO-8601 day of week; 1[Mon]..7[Sun]
	return f.w() \|\| 7;
	},
	S: function () { // Ordinal suffix for day of month; st, nd, rd, th
	var j = f.j();
	return j > 4 && j < 21 ? 'th' : {1: 'st', 2: 'nd', 3: 'rd'}[j % 10] \|\| 'th';
	},
	w: function () { // Day of week; 0[Sun]..6[Sat]
	return jsdate.getDay();
	},
	z: function () { // Day of year; 0..365
	var a = new Date(f.Y(), f.n() - 1, f.j()),
	b = new Date(f.Y(), 0, 1);
	return Math.round((a - b) / 864e5) + 1;
	},

	// Week
	W: function () { // ISO-8601 week number
	var a = new Date(f.Y(), f.n() - 1, f.j() - f.N() + 3),
	b = new Date(a.getFullYear(), 0, 4);
	return _pad(1 + Math.round((a - b) / 864e5 / 7), 2);
	},

	// Month
	F: function () { // Full month name; January...December
	return txt_words[6 + f.n()];
	},
	m: function () { // Month w/leading 0; 01...12
	return _pad(f.n(), 2);
	},
	M: function () { // Shorthand month name; Jan...Dec
	return f.F().slice(0, 3);
	},
	n: function () { // Month; 1...12
	return jsdate.getMonth() + 1;
	},
	t: function () { // Days in month; 28...31
	return (new Date(f.Y(), f.n(), 0)).getDate();
	},

	// Year
	L: function () { // Is leap year?; 0 or 1
	return new Date(f.Y(), 1, 29).getMonth() === 1 \| 0;
	},
	o: function () { // ISO-8601 year
	var n = f.n(),
	W = f.W(),
	Y = f.Y();
	return Y + (n === 12 && W < 9 ? -1 : n === 1 && W > 9);
	},
	Y: function () { // Full year; e.g. 1980...2010
	return jsdate.getFullYear();
	},
	y: function () { // Last two digits of year; 00...99
	return (f.Y() + "").slice(-2);
	},

	// Time
	a: function () { // am or pm
	return jsdate.getHours() > 11 ? "pm" : "am";
	},
	A: function () { // AM or PM
	return f.a().toUpperCase();
	},
	B: function () { // Swatch Internet time; 000..999
	var H = jsdate.getUTCHours() * 36e2,
	// Hours
	i = jsdate.getUTCMinutes() * 60,
	// Minutes
	s = jsdate.getUTCSeconds(); // Seconds
	return _pad(Math.floor((H + i + s + 36e2) / 86.4) % 1e3, 3);
	},
	g: function () { // 12-Hours; 1..12
	return f.G() % 12 \|\| 12;
	},
	G: function () { // 24-Hours; 0..23
	return jsdate.getHours();
	},
	h: function () { // 12-Hours w/leading 0; 01..12
	return _pad(f.g(), 2);
	},
	H: function () { // 24-Hours w/leading 0; 00..23
	return _pad(f.G(), 2);
	},
	i: function () { // Minutes w/leading 0; 00..59
	return _pad(jsdate.getMinutes(), 2);
	},
	s: function () { // Seconds w/leading 0; 00..59
	return _pad(jsdate.getSeconds(), 2);
	},
	u: function () { // Microseconds; 000000-999000
	return _pad(jsdate.getMilliseconds() * 1000, 6);
	},

	I: function () { // DST observed?; 0 or 1
	// Compares Jan 1 minus Jan 1 UTC to Jul 1 minus Jul 1 UTC.
	// If they are not equal, then DST is observed.
	var a = new Date(f.Y(), 0),
	// Jan 1
	c = Date.UTC(f.Y(), 0),
	// Jan 1 UTC
	b = new Date(f.Y(), 6),
	// Jul 1
	d = Date.UTC(f.Y(), 6); // Jul 1 UTC
	return 0 + ((a - c) !== (b - d));
	},
	O: function () { // Difference to GMT in hour format; e.g. +0200
	var a = jsdate.getTimezoneOffset();
	return (a > 0 ? "-" : "+") + _pad(Math.abs(a / 60 * 100), 4);
	},
	P: function () { // Difference to GMT w/colon; e.g. +02:00
	var O = f.O();
	return (O.substr(0, 3) + ":" + O.substr(3, 2));
	},
	T: function () { // Timezone abbreviation; e.g. EST, MDT, ...
	return 'UTC';
	},
	Z: function () { // Timezone offset in seconds (-43200...50400)
	return -jsdate.getTimezoneOffset() * 60;
	},

	// Full Date/Time
	c: function () { // ISO-8601 date.
	return 'Y-m-d\\Th:i:sP'.replace(formatChr, formatChrCb);
	},
	r: function () { // RFC 2822
	return 'D, d M Y H:i:s O'.replace(formatChr, formatChrCb);
	},
	U: function () { // Seconds since UNIX epoch
	return jsdate.getTime() / 1000 \| 0;
	}
	};
	this.date = function (format, timestamp) {
	that = this;
	jsdate = ((typeof timestamp === 'undefined') ? new Date() : // Not provided
	(timestamp instanceof Date) ? new Date(timestamp) : // JS Date()
	new Date(timestamp * 1000) // UNIX timestamp (auto-convert to int)
	);
	return format.replace(formatChr, formatChrCb);
	};
	return this.date(format, timestamp);
	}

	function strtotime (str, now) {
	var i, match, s, strTmp = '',
	parse = '';
	strTmp = str;
	strTmp = strTmp.replace(/\s{2,}\|^\s\|\s$/g, ' '); // unecessary spaces
	strTmp = strTmp.replace(/[\t\r\n]/g, ''); // unecessary chars
	strTmp = strTmp.replace(/T/g, ' '); // unecessary chars
	strTmp = strTmp.replace(/\.000Z/g, ''); // unecessary chars
	if (strTmp == 'now') {
	return (new Date()).getTime() / 1000; // Return seconds, not milli-seconds
	} else if (!isNaN(parse = Date.parse(strTmp))) {
	return (parse / 1000);
	} else if (now) {
	now = new Date(now * 1000); // Accept PHP-style seconds
	} else {
	now = new Date();
	}
	strTmp = strTmp.toLowerCase();
	var __is = {
	day: {
	'sun': 0,
	'mon': 1,
	'tue': 2,
	'wed': 3,
	'thu': 4,
	'fri': 5,
	'sat': 6
	},
	mon: {
	'jan': 0,
	'feb': 1,
	'mar': 2,
	'apr': 3,
	'may': 4,
	'jun': 5,
	'jul': 6,
	'aug': 7,
	'sep': 8,
	'oct': 9,
	'nov': 10,
	'dec': 11
	}
	};
	var process = function (m) {
	var ago = (m[2] && m[2] == 'ago');
	var num = (num = m[0] == 'last' ? -1 : 1) * (ago ? -1 : 1);
	switch (m[0]) {
	case 'last':
	case 'next':
	switch (m[1].substring(0, 3)) {
	case 'yea':
	now.setFullYear(now.getFullYear() + num);
	break;
	case 'mon':
	now.setMonth(now.getMonth() + num);
	break;
	case 'wee':
	now.setDate(now.getDate() + (num * 7));
	break;
	case 'day':
	now.setDate(now.getDate() + num);
	break;
	case 'hou':
	now.setHours(now.getHours() + num);
	break;
	case 'min':
	now.setMinutes(now.getMinutes() + num);
	break;
	case 'sec':
	now.setSeconds(now.getSeconds() + num);
	break;
	default:
	var day;
	if (typeof(day = __is.day[m[1].substring(0, 3)]) != 'undefined') {
	var diff = day - now.getDay();
	if (diff == 0) {
	diff = 7 * num;
	} else if (diff > 0) {
	if (m[0] == 'last') {
	diff -= 7;
	}
	} else {
	if (m[0] == 'next') {
	diff += 7;
	}
	}
	now.setDate(now.getDate() + diff);
	}
	}
	break;
	default:
	if (/\d+/.test(m[0])) {
	num *= parseInt(m[0], 10);

	switch (m[1].substring(0, 3)) {
	case 'yea':
	now.setFullYear(now.getFullYear() + num);
	break;
	case 'mon':
	now.setMonth(now.getMonth() + num);
	break;
	case 'wee':
	now.setDate(now.getDate() + (num * 7));
	break;
	case 'day':
	now.setDate(now.getDate() + num);
	break;
	case 'hou':
	now.setHours(now.getHours() + num);
	break;
	case 'min':
	now.setMinutes(now.getMinutes() + num);
	break;
	case 'sec':
	now.setSeconds(now.getSeconds() + num);
	break;
	}
	} else {
	return false;
	}
	break;
	}
	return true;
	};
	match = strTmp.match(/^(\d{2,4}-\d{2}-\d{2})(?:\s(\d{1,2}:\d{2}(:\d{2})?)?(?:\.(\d+))?)?$/);
	if (match != null) {
	if (!match[2]) {
	match[2] = '00:00:00';
	} else if (!match[3]) {
	match[2] += ':00';
	}
	s = match[1].split(/-/g);
	for (i in __is.mon) {
	if (__is.mon[i] == s[1] - 1) {
	s[1] = i;
	}
	}
	s[0] = parseInt(s[0], 10);
	s[0] = (s[0] >= 0 && s[0] <= 69) ? '20' + (s[0] < 10 ? '0' + s[0] : s[0] + '') : (s[0] >= 70 && s[0] <= 99) ? '19' + s[0] : s[0] + '';
	return parseInt(this.strtotime(s[2] + ' ' + s[1] + ' ' + s[0] + ' ' + match[2]) + (match[4] ? match[4] / 1000 : ''), 10);
	}
	var regex = '([+-]?\\d+\\s' + '(years?\|months?\|weeks?\|days?\|hours?\|min\|minutes?\|sec\|seconds?' + '\|sun\\.?\|sunday\|mon\\.?\|monday\|tue\\.?\|tuesday\|wed\\.?\|wednesday' + '\|thu\\.?\|thursday\|fri\\.?\|friday\|sat\\.?\|saturday)' + '\|(last\|next)\\s' + '(years?\|months?\|weeks?\|days?\|hours?\|min\|minutes?\|sec\|seconds?' + '\|sun\\.?\|sunday\|mon\\.?\|monday\|tue\\.?\|tuesday\|wed\\.?\|wednesday' + '\|thu\\.?\|thursday\|fri\\.?\|friday\|sat\\.?\|saturday))' + '(\\sago)?';
	match = strTmp.match(new RegExp(regex, 'gi')); // Brett: seems should be case insensitive per docs, so added 'i'
	if (match == null) {
	return false;
	}
	for (i = 0; i < match.length; i++) {
	if (!process(match[i].split(' '))) {
	return false;
	}
	}
	return (now.getTime() / 1000);
	}


	function strip_tags (str, allowed_tags) {
	// http://kevin.vanzonneveld.net

	var key = '', allowed = false;
	var matches = [];
	var allowed_array = [];
	var allowed_tag = '';
	var i = 0;
	var k = '';
	var html = '';

	var replacer = function (search, replace, str) {
	return str.split(search).join(replace);
	};

	// Build allowes tags associative array
	if (allowed_tags) {
	allowed_array = allowed_tags.match(/([a-zA-Z0-9]+)/gi);
	}

	str += '';

	// Match tags
	matches = str.match(/(<\/?[\S][^>]*>)/gi);

	// Go through all HTML tags
	for (key in matches) {

	if(key){

	// Save HTML tag
	html = matches[key].toString();

	// Is tag not in allowed list? Remove from str!
	allowed = false;

	// Go through all allowed tags
	for (k in allowed_array) {

	if(k){

	// Init
	allowed_tag = allowed_array[k];
	i = -1;

	if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+'>');}
	if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+' ');}
	if (i != 0) { i = html.toLowerCase().indexOf('</'+allowed_tag) ;}

	// Determine
	if (i == 0) {
	allowed = true;
	break;
	}

	}
	}

	if (!allowed) {
	str = replacer(html, "", str); // Custom replace. No regexing
	}

	}
	}

	return str;
	}

	function openCustomBrowser(currentWin,url, emailer, evals){
	evals = null \|\| evals;
	//emailer = true \|\| emailer; // show share via email button by default.

	// curentWindow, url, [title, barcolor]

	Ti.API.info('emailr : '+emailer);

	if(Titanium.Platform.osname=='android'){

	Ti.Platform.openURL(url);

	return;

	}


	url = url.replace('Http://','http://');

	url = url + '?from_app=true';

	var current_url = url;



	var w = Ti.UI.createWindow();
	// w.orientationModes = [
	// Titanium.UI.PORTRAIT
	//];
	w.tabBarHidden = true;



	var top_view = Ti.UI.createView({
	top:0,
	left:0,
	right:0,
	zIndex:1,
	backgroundColor:'#222',
	bottom:0,
	height:40
	});

	var logo = Ti.UI.createImageView({
	image:'/images/amazing_logo1.png',
	top:0,
	right:60,
	width:153,
	height:40
	});

	top_view.add(logo);

	var back_button = Titanium.UI.createButton({
	width:80,
	left:10,
	height:40,
	backgroundColor:'transparent',
	backgroundImage:'/images/back.png'
	});

	top_view.add(back_button);


	back_button.addEventListener('click',function(){
	w.close({animated:true});
	//post_win = null;
	//back_button = null;
	});

	w.add(top_view);

	//var win_title = 'web browser';
	//if(t!=null){
	// win_title = t;
	//}
	var barcol = '#222';
	//if(c!=null){
	// barcol = c;
	//}
	var flexSpace = Titanium.UI.createButton({
	systemButton:Titanium.UI.iPhone.SystemButton.FLEXIBLE_SPACE
	});

	var webwindow = Ti.UI.createWebView({top:40});
	webwindow.url = url;
	//w.backButtonTitle = '< back';
	w.barColor = barcol;
	//w.title = win_title;
	w.add(webwindow);
	/*
	var loadIndBg = Ti.UI.createView({
	width:80,
	height:80,
	backgroundColor:'#000000',
	borderRadius:40,
	opacity:0.5
	});
	webwindow.add(loadIndBg);
	var loadInd = Ti.UI.createActivityIndicator({
	height:50,
	width:50,
	style:Ti.UI.iPhone.ActivityIndicatorStyle.BIG
	});
	webwindow.add(loadInd);
	*/
	var back_button = Ti.UI.createButton({
	image: '/images/btn_back.png',enabled:false
	});
	back_button.addEventListener('click', function(){
	webwindow.goBack();
	});
	var forward_button = Ti.UI.createButton({
	image: '/images/btn_fwd.png',enabled:false
	});
	forward_button.addEventListener('click', function(){
	webwindow.goForward();
	});
	var refresh_button = Ti.UI.createButton({
	systemButton:Ti.UI.iPhone.SystemButton.REFRESH
	});
	refresh_button.addEventListener('click', function(){
	webwindow.reload();
	});
	w.toolbar = [back_button,flexSpace,refresh_button,flexSpace,forward_button];
	webwindow.addEventListener('beforeload',function(e){

	//Ti.API.info('BEFORELOAD e.url : '+e.url);

	//loadIndBg.show();
	//loadInd.show();
	});
	webwindow.addEventListener('load',function(e){
	//loadIndBg.hide();
	//loadInd.hide();
	if(webwindow.canGoForward()){
	forward_button.enabled = true;
	} else {
	forward_button.enabled = false;
	}
	if(webwindow.canGoBack()){
	back_button.enabled = true;
	} else {
	back_button.enabled = false;
	}
	current_url = e.url;

	Ti.API.info('LOAD e.url : '+e.url);

	if(evals!=null){

	webwindow.evalJS(evals);

	}

	//Ti.API.info('HTML: ');
	//Ti.API.info(e.source.html);





	});

	/*
	webwindow.addEventListener('swipe', function(e){
	if(e.direction=='right'){
	w.close({animated:true});
	w = null;
	webwindow = null;
	}

	});
	*/


	var send_link = Titanium.UI.createButton({
	top:10,
	right:10,
	image:'images/email.png',
	style:Titanium.UI.iPhone.SystemButtonStyle.PLAIN
	});
	if(emailer){
	top_view.add(send_link);
	}
	// this makes sure the window opens
	// currentWin is the currentwindow
	if(currentWin!=undefined){
	//Ti.API.info('currentWin:'+currentWin);
	currentWin.tab.open(w);
	}
	send_link.addEventListener('click', function(e){
	var fw = webwindow.toImage();
	var oldFile = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory, 'tune.jpg');
	if(oldFile.exists()){
	oldFile.deleteFile();
	oldFile = null;
	}
	var newFile = Titanium.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory,'tune.jpg');
	newFile.write(fw);
	var at_img = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory, 'tune.jpg');
	var emailDialog = Titanium.UI.createEmailDialog({html:true,barColor:'#222'});
	emailDialog.subject = "Check out this tune! : "+now_playing_tune.owner.display_name+" : "+now_playing_tune.title;
	emailDialog.messageBody = "<b>I found this track you'll love on Amazing Radio</b><br />"+now_playing_tune.title+" : "+now_playing_tune.owner.display_name+"<br /><b>http://"+now_playing_tune.owner.permalink+".amazingtunes.com</b><br /><br />cheers!";
	emailDialog.addAttachment(at_img);
	emailDialog.open();
	});

	}


	function trim (str, charlist) {
	var whitespace, l = 0, i = 0;
	str += '';
	if (!charlist) {
	whitespace = " \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000";
	} else {
	charlist += '';
	whitespace = charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '$1');
	}
	l = str.length;
	for (i = 0; i < l; i++) {
	if (whitespace.indexOf(str.charAt(i)) === -1) {
	str = str.substring(i);
	break;
	}
	}
	l = str.length;
	for (i = l - 1; i >= 0; i--) {
	if (whitespace.indexOf(str.charAt(i)) === -1) {
	str = str.substring(0, i + 1);
	break;
	}
	}
	return whitespace.indexOf(str.charAt(0)) === -1 ? str : '';
	}


	function openWindow(win, url){

	var heavy = true;
	/*
	if(os!='android'){
	var back_button = Titanium.UI.createButton({
	width:80,
	height:40,
	backgroundColor:'red',
	backgroundImage:'/images/back.png'
	});

	//heavy = false;
	}
	*/


	var post_win = Ti.UI.createWindow({
	top:0,
	left:0,
	right:0,
	bottom:0,
	navBarHidden:heavy, // for android
	//titleControl:titleView,
	//backgroundGradient:row_gradient,
	backgroundColor:'#333',
	//barImage:'/images/bar_bg.png',
	//backButtonTitle:'< back',
	//barColor:'#222',
	url:url
	});

	//if(os!='android'){
	// post_win.leftNavButton = back_button;
	//}

	/*
	if(os!='android'){

	back_button.addEventListener('click',function(){
	post_win.close({animated:true});
	post_win = null;
	back_button = null;
	});

	}
	*/

	//win.tab.open(post_win,{animated:true});

	//alert('ok');
	if(os=='android'){
	post_win.open({animated:true});
	} else {
	win.tab.open(post_win,{animated:true});
	}

	}

	exports.openWindow = openWindow;
	exports.openCustomBrowser = openCustomBrowser;
	exports.strip_tags = strip_tags;
	exports.trim = trim;
	exports.dateformat = dateformat;
	exports.strtotime = strtotime;