/**
 * Util functions to be used in RS Javascript
 **/

if (!this['RSUI'] || RSUI == null || RSUI == undefined) {
	RSUI = {};	// Only for older pages that do not include clientlibrary
}
RSUI.util = new Object(); 

/*
	TODO: Refactor function getParamFromLandingPageUrl()
*/
RSUI.util.getParamFromLandingPageUrl = function(name){
 name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
 var regexS = "[\\?&]"+name+"=([^&#]*)";
 var regex = new RegExp( regexS );
 var results = regex.exec( window.location.href );
 if( results == null )
   return "";
 else
   return results[1];
}


/* Former jb_utils.js
 * helper functions for analytics client-side code
 * jbeach, created: 2010-04-06, updated: 2010-09-02
 */

/* get local time increment */
//This will output a time string in client browser's local time, only in 10 minute increments.
RSUI.util.getLocalTimeIncrement = function(){
    var t;
    try {
        RSUI.util.dateFormat.masks.timeIncrement="yyyy-mm-dd HH:";
        var now = new Date();
        var t1 = now.format_rs("timeIncrement");
        var t2 = Math.floor(now.getMinutes()/10).toString();
        t = t1 + t2 + "0";
    }
    catch(err){t = err;}
    return t;
}

/* cookie setting and getting functions 
 * adapted from http://techpatterns.com/downloads/javascript_cookies.php */
RSUI.util.setCookie = function(name, value, b_custom, expires_ms, path, domain, secure){
    //name        = cookie name to set.
    //value         = cookie value to set.
    //b_custom      = optional boolean value which will allow custom settings
    //expires_ms    = optional milliseconds till cookie expires (#days * 1000 * 60 * 60 * 24).
    //path          = optional path.
    //domain        = optional domain.
    //secure        = optional secure setting.
    if(!b_custom){
        expires_ms = 30 * 1000 * 60 * 60 * 24; //30 days
        path = "/";
        var hp = RSUI.util.parseUri(document.location).host.split('.');
        hp.reverse();
        domain = "." + hp[1] + "." + hp[0];
        if (hp.length >= 3 && hp[2] != 'www' && hp[2] != 'stg')
            domain = "." + hp[2] + "." + hp[1] + "." + hp[0];
    }
    var today = new Date();
    var exdate = new Date(today.getTime() + (expires_ms));
    document.cookie = name + "=" + escape(value)+
        ((expires_ms) ? ";expires=" + exdate.toUTCString() : "") +
        ((path) ? ";path="+path : "") +
        ((domain) ? ";domain="+domain : "") +
        ((secure) ? ";secure" : "");
};

RSUI.util.getCookie = function(check_name){
    var a_all_cookies = document.cookie.split(";");
    var a_temp_cookie = "";
    var cookie_name = "";
    var cookie_value = "";
    var b_cookie_found = false;
    
    for(i = 0; i < a_all_cookies.length; i++){
        a_temp_cookie = a_all_cookies[i].split("=");
        cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g,"");
        if(cookie_name == check_name){
            b_cookie_found = true;
            if (a_temp_cookie.length > 1) {
				cookie_value = unescape(a_temp_cookie[1].replace(/^\s+|\s+$/g,""));
			}
            return cookie_value;
            break;
        }
        a_temp_cookie = null;
        cookie_name = "";
    }
    if(!b_cookie_found) {
		return null;
	}
};


// parseUri 1.2.2
// (c) Steven Levithan <stevenlevithan.com>
// MIT License
RSUI.util.parseUri = function (str) {
	var	o   = RSUI.util.parseUri.options,
		m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
		uri = {},
		i   = 14;

	while (i--) uri[o.key[i]] = m[i] || "";

	uri[o.q.name] = {};
	uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
		if ($1) uri[o.q.name][$1] = $2;
	});

	return uri;
};

RSUI.util.parseUri.options = {
	strictMode: false,
	key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
	q:   {
		name:   "queryKey",
		parser: /(?:^|&)([^&=]*)=?([^&]*)/g
	},
	parser: {
		strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
		loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
	}
};

/*
 * Date Format 1.2.3
 * (c) 2007-2009 Steven Levithan <stevenlevithan.com>
 * MIT license
 *
 * Includes enhancements by Scott Trenda <scott.trenda.net>
 * and Kris Kowal <cixar.com/~kris.kowal/>
 *
 * Accepts a date, a mask, or a date and a mask.
 * Returns a formatted version of the given date.
 * The date defaults to the current date/time.
 * The mask defaults to dateFormat.masks.default.
 */

RSUI.util.dateFormat = function () {
	var	token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
		timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
		timezoneClip = /[^-+\dA-Z]/g,
		pad = function (val, len) {
			val = String(val);
			len = len || 2;
			while (val.length < len) val = "0" + val;
			return val;
		};

	// Regexes and supporting functions are cached through closure
	return function (date, mask, utc) {
		var dF = RSUI.util.dateFormat;

		// You can't provide utc if you skip other args (use the "UTC:" mask prefix)
		if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) {
			mask = date;
			date = undefined;
		}

		// Passing date through Date applies Date.parse, if necessary
		date = date ? new Date(date) : new Date;
		if (isNaN(date)) throw SyntaxError("invalid date");

		mask = String(dF.masks[mask] || mask || dF.masks["default"]);

		// Allow setting the utc argument via the mask
		if (mask.slice(0, 4) == "UTC:") {
			mask = mask.slice(4);
			utc = true;
		}

		var	_ = utc ? "getUTC" : "get",
			d = date[_ + "Date"](),
			D = date[_ + "Day"](),
			m = date[_ + "Month"](),
			y = date[_ + "FullYear"](),
			H = date[_ + "Hours"](),
			M = date[_ + "Minutes"](),
			s = date[_ + "Seconds"](),
			L = date[_ + "Milliseconds"](),
			o = utc ? 0 : date.getTimezoneOffset(),
			flags = {
				d:    d,
				dd:   pad(d),
				ddd:  dF.i18n.dayNames[D],
				dddd: dF.i18n.dayNames[D + 7],
				m:    m + 1,
				mm:   pad(m + 1),
				mmm:  dF.i18n.monthNames[m],
				mmmm: dF.i18n.monthNames[m + 12],
				yy:   String(y).slice(2),
				yyyy: y,
				h:    H % 12 || 12,
				hh:   pad(H % 12 || 12),
				H:    H,
				HH:   pad(H),
				M:    M,
				MM:   pad(M),
				s:    s,
				ss:   pad(s),
				l:    pad(L, 3),
				L:    pad(L > 99 ? Math.round(L / 10) : L),
				t:    H < 12 ? "a"  : "p",
				tt:   H < 12 ? "am" : "pm",
				T:    H < 12 ? "A"  : "P",
				TT:   H < 12 ? "AM" : "PM",
				Z:    utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
				o:    (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
				S:    ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
			};

		return mask.replace(token, function ($0) {
			return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
		});
	};
}();

// Some common format strings
RSUI.util.dateFormat.masks = {
	"default":      "ddd mmm dd yyyy HH:MM:ss",
	shortDate:      "m/d/yy",
	mediumDate:     "mmm d, yyyy",
	longDate:       "mmmm d, yyyy",
	fullDate:       "dddd, mmmm d, yyyy",
	shortTime:      "h:MM TT",
	mediumTime:     "h:MM:ss TT",
	longTime:       "h:MM:ss TT Z",
	isoDate:        "yyyy-mm-dd",
	isoTime:        "HH:MM:ss",
	isoDateTime:    "yyyy-mm-dd'T'HH:MM:ss",
	isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
};

// Internationalization strings
RSUI.util.dateFormat.i18n = {
	dayNames: [
		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
	],
	monthNames: [
		"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
		"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
	]
};

// For convenience...
Date.prototype.format_rs = function (mask, utc) {
	return RSUI.util.dateFormat(this, mask, utc);
};