my secret toolbelt

utils.js

function log(object) {
  Ti.API.debug(object);
  if(logger) {
    logger.log(object);
  };
};


var indWin = null;
var actInd = null;
function showIndicator() {
  indWin = Titanium.UI.createWindow({ height:150, width:150 });
  var indView = Titanium.UI.createView({ height:150, width:150, backgroundColor:'#000', borderRadius:10, opacity:0.9 });
  actInd = Titanium.UI.createActivityIndicator({ style:Titanium.UI.iPhone.ActivityIndicatorStyle.BIG, height:30, width:30 });
  indWin.add(indView);
  indWin.add(actInd);
  indWin.open();
  actInd.show();
};

function hideIndicator() {
  actInd.hide();
  indWin.close({opacity:0,duration:100});
};


// This utility function creates the query string
// to be appended to the base URI of the YQL Web
// service.
function toQueryString(obj) {    
  var parts = [];    
  for(var each in obj) {
    if (obj.hasOwnProperty(each)) {
      parts.push(encodeURIComponent(each) + '=' + obj[each]);
    };
  };     
  return parts.join('&');  
};

/* Wrapper on top of the HTTP client */
function Request(url, options) {
  if( !url ) { throw "Invalid URL"; };
  
  options = _.extend({ 
    method:    'GET',
    async:      true,
    evalJSON:   true,
    parameters: {},
    headers:    [], // [ [key, value], [key, value] ]
    onSuccess:  function(){},
    onError:    function(response){ log('Error Requesting'); log(response.responseText); }
  }, options || {} );
  options.method = options.method.toUpperCase();
  
  
  if(!options.async) { Ti.App.fireEvent('app:show_indicator'); };
  /* construct the GET URL */
  if( options.method == 'GET' ) {
    url = url + (/\?/.test(url) ? '' : '?') + toQueryString(options.parameters);
  };

  log( options.method + ' ' + url + ' [' + toQueryString(options.parameters) + ']' );

  var request = Ti.Network.createHTTPClient();
  request.open(options.method, url, options.async);
  request.onload = function() {
    if(!options.async) { Ti.App.fireEvent('app:hide_indicator'); }; // remove the indicator a bit
    try {
      // log(this.responseText); 
      if( options.evalJSON ) {
        this.responseJSON = JSON.parse(this.responseText);
      };
      options.onSuccess(this);  // normalize to make it a bit more like Prototype
    } catch(ex) {
      log(ex);
    };
    // this.release();
  };
  request.onerror = function() {
    if(!options.async) { Ti.App.fireEvent('app:hide_indicator'); };
    options.onError();
  };
  
  for(var i = 0; i < options.headers.length; i++ ) {
    request.setRequestHeader(options.headers[i][0], options.headers[i][1]);
  };
  
  if( options.method == 'GET' ) {
    request.send();
  } else {
    request.send(options.parameters);
  };
};


var DB = {
  get: function(key, defaultValue, prefix) { 
    var value = JSON.parse(Ti.App.Properties.getString( (prefix || 'user_') + key ) );
    return (value != null) ? value : defaultValue;
  }
  ,set: function(key, value, prefix ) { Ti.App.Properties.setString( (prefix || 'user_') + key, JSON.stringify(value)); }
  ,remove: function(key, prefix) { Ti.App.Properties.removeProperty( (prefix || 'user_') + key ); }  

  /* drop all keys beginning with prefix */
  ,drop: function(prefix) { 
    if(!prefix) { prefix = 'user_'; };
    var properties = Ti.App.Properties.listProperties();
    for (var i=0; i < properties.length; i++) {
      if(properties[i].indexOf(prefix) == 0) {
        Ti.App.Properties.removeProperty(properties[i]);
      };
    };
  }
  
  ,debug: function() {
    var properties = Ti.App.Properties.listProperties();
    for (var i=0; i < properties.length; i++) {
      log(properties[i] + ':' + Ti.App.Properties.getString( properties[i] ) );
    }
  }
};



String.prototype.strip = function() {
  return this.replace(/^\s+|\s+$/g,"");
};

String.prototype.unescapeQuote = function() {
  return this.replace(/&quot;/g, '"');
};


/* 2010-09-28T19:40:28-05:00 */
Date.prototype.toRailsISOString = function() {
  function f(n){return n<10? '0' + n : n;};
  var offset = -this.getTimezoneOffset();
  offset = ( offset > 0 ? '+' : '-' ) + f(Math.abs(Math.floor(offset/60))) + ':' + f( offset % 60 );
  
  return this.getFullYear()+'-'+   
  f(this.getMonth()+1)   +'-'+
  f(this.getDate())+     'T'+
  f(this.getHours())+    ':'+
  f(this.getMinutes())+  ':'+
  f(this.getSeconds()) + offset;

};

// http://braxtoninaustin.com/2011/02/converting-a-number-to-currency-with-javascript/
function numberToCurrency(num) { 
  num = num.toString(); //.replace(/\$|\,/g, '');
  if (isNaN(num)) num = "0";
  sign = (num == (num = Math.abs(num)));
  num = Math.floor(num * 100 + 0.50000000001);
  cents = num % 100;
  num = Math.floor(num / 100).toString();
  if (cents < 10) {cents = '0' + cents;};
  for (var i = 0; i < Math.floor((num.length - (1 + i)) / 3); i++) {
    num = num.substring(0, num.length - (4 * i + 3)) + ',' + num.substring(num.length - (4 * i + 3));
  };
  
  return (((sign) ? '' : '-') + '$' + num + '.' + cents);


  // return "$ " + num.toLocaleString().split(".")[0] + "." + num.toFixed(2).split(".")[1];


  // var s = Math.ceil(number*100);
  // return "$" + number.toFixed(2);
};




var NO_SELECTION = Ti.UI.iPhone.TableViewCellSelectionStyle.NONE;
var DEFAULT_SELECTION = Ti.UI.iPhone.TableViewCellSelectionStyle.BLUE;

var COUNTRIES = [["Afghanistan","AF"],["Aland Islands","AX"],["Albania","AL"], 
                 ["Algeria","DZ"],["American Samoa","AS"],["Andorra","AD"],["Angola","AO"],["Anguilla","AI"],["Antarctica","AQ"],["Antigua and Barbuda","AG"],["Argentina","AR"],["Armenia","AM"],["Aruba","AW"],["Australia","AU"],["Austria","AT"],["Azerbaijan","AZ"],["Bahamas","BS"],["Bahrain","BH"],["Bangladesh","BD"],["Barbados","BB"],["Belarus","BY"],["Belgium","BE"],["Belize","BZ"],["Benin","BJ"],["Bermuda","BM"],["Bhutan","BT"],["Bolivia","BO"],["Bosnia and Herzegovina","BA"],["Botswana","BW"],["Bouvet Island","BV"],["Brazil","BR"],["British Indian Ocean Territory","IO"],["Brunei Darussalam","BN"],["Bulgaria","BG"],["Burkina Faso","BF"],["Burundi","BI"],["Cambodia","KH"],["Cameroon","CM"],["Canada","CA"],["Cape Verde","CV"],["Cayman Islands","KY"],["Central African Republic","CF"],["Chad","TD"],["Chile","CL"],
                 ["China","CN"],["Christmas Island","CX"],["Cocos (Keeling) Islands","CC"],["Colombia","CO"],["Comoros","KM"],["Congo","CG"],["Congo, the Democratic Republic of the","CD"],["Cook Islands","CK"],["Costa Rica","CR"],["Cote D'ivoire","CI"],["Croatia","HR"],["Cuba","CU"],["Cyprus","CY"],["Czech Republic","CZ"],["Denmark","DK"],["Djibouti","DJ"],["Dominica","DM"],["Dominican Republic","DO"],["Ecuador","EC"],["Egypt","EG"],["El Salvador","SV"],["Equatorial Guinea","GQ"],["Eritrea","ER"],["Estonia","EE"],["Ethiopia","ET"],["Falkland Islands (Malvinas)","FK"],["Faroe Islands","FO"],["Fiji","FJ"],["Finland","FI"],["France","FR"],
                 ["French Guiana","GF"],["French Polynesia","PF"],["French Southern Territories","TF"],["Gabon","GA"],["Gambia","GM"],["Georgia","GE"],["Germany","DE"],["Ghana","GH"],["Gibraltar","GI"],["Greece","GR"],["Greenland","GL"],["Grenada","GD"],["Guadeloupe","GP"],["Guam","GU"],["Guatemala","GT"],["Guernsey","GG"],["Guinea","GN"],["Guinea-Bissau","GW"],["Guyana","GY"],["Haiti","HT"],["Heard Island and Mcdonald Islands","HM"],["Holy See (Vatican City State)","VA"],["Honduras","HN"],["Hong Kong","HK"],["Hungary","HU"],["Iceland","IS"],["India","IN"],["Indonesia","ID"],["Iran, Islamic Republic of","IR"],["Iraq","IQ"],["Ireland","IE"],["Isle of Man","IM"],["Israel","IL"],["Italy","IT"],["Jamaica","JM"],["Japan","JP"],["Jersey","JE"],["Jordan","JO"],["Kazakhstan","KZ"],["Kenya","KE"],["Kiribati","KI"],
                 ["Korea, Democratic People's Republic of","KP"],["Korea, Republic of","KR"],["Kuwait","KW"],["Kyrgyzstan","KG"],["Lao People's Democratic Republic","LA"],["Latvia","LV"],["Lebanon","LB"],["Lesotho","LS"],["Liberia","LR"],["Libyan Arab Jamahiriya","LY"],["Liechtenstein","LI"],["Lithuania","LT"],["Luxembourg","LU"],["Macao","MO"],["Macedonia, the Former Yugoslav Republic of","MK"],["Madagascar","MG"],["Malawi","MW"],["Malaysia","MY"],["Maldives","MV"],["Mali","ML"],["Malta","MT"],["Marshall Islands","MH"],["Martinique","MQ"],["Mauritania","MR"],["Mauritius","MU"],["Mayotte","YT"],["Mexico","MX"],["Micronesia, Federated States of","FM"],["Moldova, Republic of","MD"],["Monaco","MC"],["Mongolia","MN"],["Montserrat","MS"],["Morocco","MA"],["Mozambique","MZ"],["Myanmar","MM"],["Namibia","NA"],
                 ["Nauru","NR"],["Nepal","NP"],["Netherlands","NL"],["Netherlands Antilles","AN"],["New Caledonia","NC"],["New Zealand","NZ"],["Nicaragua","NI"],["Niger","NE"],["Nigeria","NG"],["Niue","NU"],["Norfolk Island","NF"],["Northern Mariana Islands","MP"],["Norway","NO"],["Oman","OM"],["Pakistan","PK"],["Palau","PW"],["Palestinian Territory, Occupied","PS"],["Panama","PA"],["Papua New Guinea","PG"],["Paraguay","PY"],["Peru","PE"],["Philippines","PH"],["Pitcairn","PN"],["Poland","PL"],["Portugal","PT"],["Puerto Rico","PR"],["Qatar","QA"],["Reunion","RE"],["Romania","RO"],["Russian Federation","RU"],["Rwanda","RW"],["Saint Helena","SH"],["Saint Kitts and Nevis","KN"],["Saint Lucia","LC"],["Saint Pierre and Miquelon","PM"],["Saint Vincent and the Grenadines","VC"],["Samoa","WS"],["San Marino","SM"],
                 ["Sao Tome and Principe","ST"],["Saudi Arabia","SA"],["Senegal","SN"],["Serbia and Montenegro","CS"],["Seychelles","SC"],["Sierra Leone","SL"],["Singapore","SG"],["Slovakia","SK"],["Slovenia","SI"],["Solomon Islands","SB"],["Somalia","SO"],["South Africa","ZA"],["South Georgia and the South Sandwich Islands","GS"],["Spain","ES"],["Sri Lanka","LK"],["Sudan","SD"],["Suriname","SR"],["Svalbard and Jan Mayen","SJ"],["Swaziland","SZ"],["Sweden","SE"],["Switzerland","CH"],["Syrian Arab Republic","SY"],["Taiwan, Province of China","TW"],["Tajikistan","TJ"],["Tanzania, United Republic of","TZ"],["Thailand","TH"],["Timor-Leste","TL"],["Togo","TG"],["Tokelau","TK"],["Tonga","TO"],["Trinidad and Tobago","TT"],
                 ["Tunisia","TN"],["Turkey","TR"],["Turkmenistan","TM"],["Turks and Caicos Islands","TC"],["Tuvalu","TV"],["Uganda","UG"],["Ukraine","UA"],["United Arab Emirates","AE"],["United Kingdom","GB"],["United States","US"],["United States Minor Outlying Islands","UM"],["Uruguay","UY"],["Uzbekistan","UZ"],["Vanuatu","VU"],["Venezuela","VE"],["Viet Nam","VN"],["Virgin Islands, British","VG"],["Virgin Islands, U.S.","VI"],["Wallis and Futuna","WF"],["Western Sahara","EH"],["Yemen","YE"],["Zambia","ZM"],["Zimbabwe","ZW"]];

/* Timezone Handling */
var TIMEZONES = [["International Date Line West","GMT-11:00","(GMT-11:00) International Date Line West"],["Midway Island","GMT-11:00","(GMT-11:00) Midway Island"],["Samoa","GMT-11:00","(GMT-11:00) Samoa"],["Hawaii","GMT-10:00","(GMT-10:00) Hawaii"],["Alaska","GMT-09:00","(GMT-09:00) Alaska"],["Pacific Time (US & Canada)","GMT-08:00) Pacific Time (US & Canada","(GMT-08:00) Pacific Time (US & Canada)"],["Tijuana","GMT-08:00","(GMT-08:00) Tijuana"],["Arizona","GMT-07:00","(GMT-07:00) Arizona"],["Chihuahua","GMT-07:00","(GMT-07:00) Chihuahua"],["Mazatlan","GMT-07:00","(GMT-07:00) Mazatlan"],["Mountain Time (US & Canada)","GMT-07:00) Mountain Time (US & Canada","(GMT-07:00) Mountain Time (US & Canada)"],["Central America","GMT-06:00","(GMT-06:00) Central America"],
                 ["Central Time (US & Canada)","GMT-06:00) Central Time (US & Canada","(GMT-06:00) Central Time (US & Canada)"],["Guadalajara","GMT-06:00","(GMT-06:00) Guadalajara"],["Mexico City","GMT-06:00","(GMT-06:00) Mexico City"],["Monterrey","GMT-06:00","(GMT-06:00) Monterrey"],["Saskatchewan","GMT-06:00","(GMT-06:00) Saskatchewan"],["Bogota","GMT-05:00","(GMT-05:00) Bogota"],["Eastern Time (US & Canada)","GMT-05:00) Eastern Time (US & Canada","(GMT-05:00) Eastern Time (US & Canada)"],["Indiana (East)","GMT-05:00) Indiana (East","(GMT-05:00) Indiana (East)"],["Lima","GMT-05:00","(GMT-05:00) Lima"],["Quito","GMT-05:00","(GMT-05:00) Quito"],["Caracas","GMT-04:30","(GMT-04:30) Caracas"],["Atlantic Time (Canada)","GMT-04:00) Atlantic Time (Canada","(GMT-04:00) Atlantic Time (Canada)"],["Georgetown","GMT-04:00","(GMT-04:00) Georgetown"],
                 ["La Paz","GMT-04:00","(GMT-04:00) La Paz"],["Santiago","GMT-04:00","(GMT-04:00) Santiago"],["Newfoundland","GMT-03:30","(GMT-03:30) Newfoundland"],["Brasilia","GMT-03:00","(GMT-03:00) Brasilia"],["Buenos Aires","GMT-03:00","(GMT-03:00) Buenos Aires"],["Greenland","GMT-03:00","(GMT-03:00) Greenland"],["Mid-Atlantic","GMT-02:00","(GMT-02:00) Mid-Atlantic"],["Azores","GMT-01:00","(GMT-01:00) Azores"],["Cape Verde Is.","GMT-01:00","(GMT-01:00) Cape Verde Is."],["Casablanca","GMT+00:00","(GMT+00:00) Casablanca"],["Dublin","GMT+00:00","(GMT+00:00) Dublin"],["Edinburgh","GMT+00:00","(GMT+00:00) Edinburgh"],["Lisbon","GMT+00:00","(GMT+00:00) Lisbon"],["London","GMT+00:00","(GMT+00:00) London"],["Monrovia","GMT+00:00","(GMT+00:00) Monrovia"],["UTC","GMT+00:00","(GMT+00:00) UTC"],["Amsterdam","GMT+01:00","(GMT+01:00) Amsterdam"],
                 ["Belgrade","GMT+01:00","(GMT+01:00) Belgrade"],["Berlin","GMT+01:00","(GMT+01:00) Berlin"],["Bern","GMT+01:00","(GMT+01:00) Bern"],["Bratislava","GMT+01:00","(GMT+01:00) Bratislava"],["Brussels","GMT+01:00","(GMT+01:00) Brussels"],["Budapest","GMT+01:00","(GMT+01:00) Budapest"],["Copenhagen","GMT+01:00","(GMT+01:00) Copenhagen"],["Ljubljana","GMT+01:00","(GMT+01:00) Ljubljana"],["Madrid","GMT+01:00","(GMT+01:00) Madrid"],["Paris","GMT+01:00","(GMT+01:00) Paris"],["Prague","GMT+01:00","(GMT+01:00) Prague"],["Rome","GMT+01:00","(GMT+01:00) Rome"],["Sarajevo","GMT+01:00","(GMT+01:00) Sarajevo"],["Skopje","GMT+01:00","(GMT+01:00) Skopje"],["Stockholm","GMT+01:00","(GMT+01:00) Stockholm"],["Vienna","GMT+01:00","(GMT+01:00) Vienna"],["Warsaw","GMT+01:00","(GMT+01:00) Warsaw"],["West Central Africa","GMT+01:00","(GMT+01:00) West Central Africa"],
                 ["Zagreb","GMT+01:00","(GMT+01:00) Zagreb"],["Athens","GMT+02:00","(GMT+02:00) Athens"],["Bucharest","GMT+02:00","(GMT+02:00) Bucharest"],["Cairo","GMT+02:00","(GMT+02:00) Cairo"],["Harare","GMT+02:00","(GMT+02:00) Harare"],["Helsinki","GMT+02:00","(GMT+02:00) Helsinki"],["Istanbul","GMT+02:00","(GMT+02:00) Istanbul"],["Jerusalem","GMT+02:00","(GMT+02:00) Jerusalem"],["Kyiv","GMT+02:00","(GMT+02:00) Kyiv"],["Minsk","GMT+02:00","(GMT+02:00) Minsk"],["Pretoria","GMT+02:00","(GMT+02:00) Pretoria"],["Riga","GMT+02:00","(GMT+02:00) Riga"],["Sofia","GMT+02:00","(GMT+02:00) Sofia"],["Tallinn","GMT+02:00","(GMT+02:00) Tallinn"],["Vilnius","GMT+02:00","(GMT+02:00) Vilnius"],["Baghdad","GMT+03:00","(GMT+03:00) Baghdad"],["Kuwait","GMT+03:00","(GMT+03:00) Kuwait"],["Moscow","GMT+03:00","(GMT+03:00) Moscow"],["Nairobi","GMT+03:00","(GMT+03:00) Nairobi"],
                 ["Riyadh","GMT+03:00","(GMT+03:00) Riyadh"],["St. Petersburg","GMT+03:00","(GMT+03:00) St. Petersburg"],["Volgograd","GMT+03:00","(GMT+03:00) Volgograd"],["Tehran","GMT+03:30","(GMT+03:30) Tehran"],["Abu Dhabi","GMT+04:00","(GMT+04:00) Abu Dhabi"],["Baku","GMT+04:00","(GMT+04:00) Baku"],["Muscat","GMT+04:00","(GMT+04:00) Muscat"],["Tbilisi","GMT+04:00","(GMT+04:00) Tbilisi"],["Yerevan","GMT+04:00","(GMT+04:00) Yerevan"],["Kabul","GMT+04:30","(GMT+04:30) Kabul"],["Ekaterinburg","GMT+05:00","(GMT+05:00) Ekaterinburg"],["Islamabad","GMT+05:00","(GMT+05:00) Islamabad"],["Karachi","GMT+05:00","(GMT+05:00) Karachi"],["Tashkent","GMT+05:00","(GMT+05:00) Tashkent"],["Chennai","GMT+05:30","(GMT+05:30) Chennai"],["Kolkata","GMT+05:30","(GMT+05:30) Kolkata"],["Mumbai","GMT+05:30","(GMT+05:30) Mumbai"],["New Delhi","GMT+05:30","(GMT+05:30) New Delhi"],
                 ["Sri Jayawardenepura","GMT+05:30","(GMT+05:30) Sri Jayawardenepura"],["Kathmandu","GMT+05:45","(GMT+05:45) Kathmandu"],["Almaty","GMT+06:00","(GMT+06:00) Almaty"],["Astana","GMT+06:00","(GMT+06:00) Astana"],["Dhaka","GMT+06:00","(GMT+06:00) Dhaka"],["Novosibirsk","GMT+06:00","(GMT+06:00) Novosibirsk"],["Rangoon","GMT+06:30","(GMT+06:30) Rangoon"],["Bangkok","GMT+07:00","(GMT+07:00) Bangkok"],["Hanoi","GMT+07:00","(GMT+07:00) Hanoi"],["Jakarta","GMT+07:00","(GMT+07:00) Jakarta"],["Krasnoyarsk","GMT+07:00","(GMT+07:00) Krasnoyarsk"],["Beijing","GMT+08:00","(GMT+08:00) Beijing"],["Chongqing","GMT+08:00","(GMT+08:00) Chongqing"],["Hong Kong","GMT+08:00","(GMT+08:00) Hong Kong"],["Irkutsk","GMT+08:00","(GMT+08:00) Irkutsk"],["Kuala Lumpur","GMT+08:00","(GMT+08:00) Kuala Lumpur"],["Perth","GMT+08:00","(GMT+08:00) Perth"],["Singapore","GMT+08:00","(GMT+08:00) Singapore"],
                 ["Taipei","GMT+08:00","(GMT+08:00) Taipei"],["Ulaan Bataar","GMT+08:00","(GMT+08:00) Ulaan Bataar"],["Urumqi","GMT+08:00","(GMT+08:00) Urumqi"],["Osaka","GMT+09:00","(GMT+09:00) Osaka"],["Sapporo","GMT+09:00","(GMT+09:00) Sapporo"],["Seoul","GMT+09:00","(GMT+09:00) Seoul"],["Tokyo","GMT+09:00","(GMT+09:00) Tokyo"],["Yakutsk","GMT+09:00","(GMT+09:00) Yakutsk"],["Adelaide","GMT+09:30","(GMT+09:30) Adelaide"],["Darwin","GMT+09:30","(GMT+09:30) Darwin"],["Brisbane","GMT+10:00","(GMT+10:00) Brisbane"],["Canberra","GMT+10:00","(GMT+10:00) Canberra"],["Guam","GMT+10:00","(GMT+10:00) Guam"],["Hobart","GMT+10:00","(GMT+10:00) Hobart"],["Melbourne","GMT+10:00","(GMT+10:00) Melbourne"],["Port Moresby","GMT+10:00","(GMT+10:00) Port Moresby"],["Sydney","GMT+10:00","(GMT+10:00) Sydney"],["Vladivostok","GMT+10:00","(GMT+10:00) Vladivostok"],["Kamchatka","GMT+11:00","(GMT+11:00) Kamchatka"],
                 ["Magadan","GMT+11:00","(GMT+11:00) Magadan"],["New Caledonia","GMT+11:00","(GMT+11:00) New Caledonia"],["Solomon Is.","GMT+11:00","(GMT+11:00) Solomon Is."],["Auckland","GMT+12:00","(GMT+12:00) Auckland"],["Fiji","GMT+12:00","(GMT+12:00) Fiji"],["Marshall Is.","GMT+12:00","(GMT+12:00) Marshall Is."],["Wellington","GMT+12:00","(GMT+12:00) Wellington"],["Nuku'alofa","GMT+13:00","(GMT+13:00) Nuku'alofa"]];

// The different reminders for the Task
var REMINDER_TYPES = [ null, "15 Mins", "30 mins", "1 Hour", "2 Hours", "1 Day", "2 Days" ];

// script by Josh Fraser (http://www.onlineaspect.com)
//http://onlineaspect.com/examples/timezone/detect_timezone.js
var TimeZone = { 
  getTimeZoneIndex: function(){
    var timezone = this.calculate_time_zone();
    for(var i = 0; i< TIMEZONES.length; i++) {
      if( TIMEZONES[i][1].indexOf(timezone) != -1) {
        return i;
      };
    };
    return 0;
  }
  
 ,calculate_time_zone: function () {
   var rightNow = new Date();
   var jan1 = new Date(rightNow.getFullYear(), 0, 1, 0, 0, 0, 0);  // jan 1st
   var june1 = new Date(rightNow.getFullYear(), 6, 1, 0, 0, 0, 0); // june 1st
   var temp = jan1.toGMTString();
   var jan2 = new Date(temp.substring(0, temp.lastIndexOf(" ")-1));
   temp = june1.toGMTString();
   var june2 = new Date(temp.substring(0, temp.lastIndexOf(" ")-1));
   var std_time_offset = (jan1 - jan2) / (1000 * 60 * 60);
   var daylight_time_offset = (june1 - june2) / (1000 * 60 * 60);
   var dst;
   if (std_time_offset == daylight_time_offset) {
     dst = "0"; // daylight savings time is NOT observed
   } else {
     // positive is southern, negative is northern hemisphere
     var hemisphere = std_time_offset - daylight_time_offset;
     if (hemisphere >= 0) {
       std_time_offset = daylight_time_offset;
     }
       
     dst = "1"; // daylight savings time is observed
   };
   return this.convert(std_time_offset);
 }
 
 ,convert: function(value) {
   var hours = parseInt(value);
     value -= parseInt(value);
   value *= 60;
   var mins = parseInt(value);
     value -= parseInt(value);
   value *= 60;
   var secs = parseInt(value);
   var display_hours = hours;
   // handle GMT case (00:00)
   if (hours == 0) {
     display_hours = "00";
   } else if (hours > 0) {
     // add a plus sign and perhaps an extra 0
     display_hours = (hours < 10) ? "+0"+hours : "+"+hours;
   } else {
     // add an extra 0 if needed 
     display_hours = (hours > -10) ? "-0"+Math.abs(hours) : hours;
   }

   mins = (mins < 10) ? "0"+mins : mins;
   return display_hours+":"+mins;
 }

};


var listenOnce = function(event, handler) { 
  var handlerWrapper = function(e) { 
    handler(e);
    Ti.App.removeEventListener(event, handlerWrapper);
  };
  Ti.App.addEventListener(event, handlerWrapper);
};

var listenButUnregisterWhenClose = function( win, hash ) {
  _.each(hash, function(handler, event) {
    Ti.App.addEventListener(event, handler);
    win.addEventListener('close', function() {
      log('unregistering' + event);
      Ti.App.removeEventListener(event, handler); // make sure we unlisten on the way out
    });
  });
};

var listenToDefaultEvents = function(win) {
  listenButUnregisterWhenClose(win, {
    'app:views:updateColors' : function(event) {
      win.barColor = App.styles.barColor;
    }
  });
};


function confirmAndCall(number) {
  var confirmationDialog = Ti.UI.createOptionDialog({ 
    title: 'What do you want to do?', 
    options: ['Call','Send SMS', 'Cancel'],
    destructive: 2,
    cancel: 2
  });
  confirmationDialog.addEventListener('click', function(e) { 
    switch(e.index) {
      case 0:
        Ti.Platform.openURL('tel:' + number);
        break;
      case 1:
        Ti.Platform.openURL('sms:' + number);
        break;
    };
  });
  confirmationDialog.show();
};

var cachedFiles = {};
/* load a file and cache it so next time we don't have to re-evaluate again */
function load(path) {
  if(!cachedFiles[path] || DEBUG ){
    log('caching ' + path );
    cachedFiles[path] = require(path);
  };
  return cachedFiles[path];
};

/* return an intermediate page in simulator so that 
   we can re-load the top-level pages dynamically
 */
function rootLoad(path) {
  if(DEBUG) {
    return {
      createWindow: function() {
        var win = createWindow({title: 'Landing Page'});
        var tableView = Ti.UI.createTableView({hasChild: true, style: Ti.UI.iPhone.TableViewStyle.GROUPED});
        tableView.setData([{title: 'Open Page'}]);
        tableView.addEventListener('click', function(e) {
          currentTabGroup.activeTab.open( load(path).createWindow() );
        });
        win.add(tableView);
        listenToDefaultEvents(win);
        return win;
      }
    };
  } else {
    return load(path);
  };
};

/* create a window */
function createWindow(options) {
  options = _.extend({
    title: 'Window',
    barColor: App.styles.barColor
  }, options || {});
  var win = Ti.UI.createWindow(options);
  // for regular window, listen to the default events
  if(!options.tabBarHidden || options.listenToDefaultEvents) {
    listenToDefaultEvents(win);
  };
  return win;
};

/* Create a new window */
function createWebView(options) {
  options = _.extend({
    title: 'Web',
    url: '',
    controlHidden: false,
    tabBarHidden: false
  }, options || {} );

  var win = Ti.UI.createWindow({ title: options.title, barColor: App.styles.barColor, tabBarHidden: options.tabBarHidden });
  win.orientationModes = [ Ti.UI.PORTRAIT, Ti.UI.LANDSCAPE_LEFT, Ti.UI.LANDSCAPE_RIGHT ];
  var webView = Ti.UI.createWebView( {top: 0});
  webView.url = options.url;
  if(!options.controlHidden) {
    var nav = Ti.UI.createButtonBar({ labels:['Back', 'Reload', 'Forward'], backgroundColor: App.styles.tabbedBarColor });
    var flexSpace = Ti.UI.createButton({  systemButton: Ti.UI.iPhone.SystemButton.FLEXIBLE_SPACE  });
    win.setToolbar([flexSpace,nav,flexSpace]);
    nav.addEventListener('click',function(e) {
      switch(e.index) {
        case 0:
          webView.goBack();
          break;
        case 1:
          webView.reload();
          break;
        case 2:
          webView.goForward();
          break;
      };
    });
  };
  
  win.add(webView);
  win.leftNavButton = Ti.UI.createLabel({});
  var closeBtn = Ti.UI.createButton({ title: 'Close' });
  closeBtn.addEventListener('click', function(e) { win.close() } );
  win.rightNavButton = closeBtn;
  return win;
};