index.html.in

   1 <!doctype html>
   2 <html lang="en-US">
   3   <head>
   4     <meta name="viewport" content="width=device-width, initial-scale=1" />
   5     <link rel="icon" href="favicon.svg" />
   6
   7     <title>
   8       CharmBypass: it's transit equity y'all
   9     </title>
  10
  11     <style>
  12       input[type=submit] {
  13         margin-top: 1em;
  14         margin-bottom: 1em;
  15       }
  16
  17       svg {
  18         /* Set the height to 100% of the screen, which we'll keep; and the
  19          *  initial position to (0,0), which we're going to change
  20          * every time the window is resized, because the exact amount
  21          * that we have to slide the SVG to the left to get the ticket
  22          * into the center will change. */
  23         position: fixed;
  24         top: 0;
  25         left: 0;
  26         height: 100%;
  27
  28         /* Hide everything by default. We only show it once the user has
  29          * submitted the menu form */
  30         display: none;
  31       }
  32
  33       /* The blinking fade in/out animation for the ticket date and time */
  34       @keyframes blink {
  35         25% {
  36           opacity: 0.5;
  37         }
  38         50% {
  39           opacity: 0;
  40         }
  41         75% {
  42           opacity: 0.5;
  43         }
  44       }
  45
  46       #tickettime, #ticketdate {
  47         /* 300 two-second blinks is ten minutes */
  48         animation: blink 2s linear 300;
  49       }
  50
  51       /* Define, load, and specify the custom font we use for the ticket
  52        * date, time, and service name. */
  53       @font-face {
  54         font-family: "CharmBypass Regular";
  55         src:
  56           url("data:font/woff2;base64,@CBPREGULAR@") format("woff2")
  57       }
  58
  59       #origindest, #servicename, #tickettime, #ticketdate, #codetext, #zone {
  60         font-family: "CharmBypass Regular", sans-serif;
  61       }
  62
  63       @font-face {
  64         font-family: "CharmBypass Bold";
  65         src:
  66           url("data:font/woff2;base64,@CBPBOLD@") format("woff2")
  67       }
  68
  69       #serviceid {
  70         font-family: "CharmBypass Bold", sans-serif;
  71       }
  72
  73       /************************/
  74       /* Scrolling animations */
  75       /************************/
  76
  77       /* Bus */
  78       @keyframes busroll {
  79         from {
  80           transform: translateX(0%);
  81         }
  82         to {
  83           transform: translateX(-100%);
  84         }
  85       }
  86
  87       #bus {
  88         animation: busroll 23s linear infinite;
  89       }
  90
  91
  92       /* Tram */
  93       @keyframes tramroll {
  94         from {
  95           transform: translateX(0%);
  96         }
  97         to {
  98           transform: translateX(100%);
  99         }
 100       }
 101
 102       #tram {
 103         animation: tramroll 17s linear infinite;
 104       }
 105
 106
 107       /* Tram */
 108       @keyframes trainroll {
 109         from {
 110           transform: translateX(0%);
 111         }
 112         to {
 113           transform: translateX(100%);
 114         }
 115       }
 116
 117       #train {
 118         animation: trainroll 11s linear infinite;
 119       }
 120
 121
 122       /* Clouds */
 123       @keyframes cloudsfloat {
 124         from {
 125           transform: translateX(0%);
 126         }
 127         to {
 128           transform: translateX(-50%);
 129         }
 130       }
 131
 132       #clouds {
 133         animation: cloudsfloat 40s linear infinite;
 134       }
 135
 136       @keyframes cloudscopyfloat {
 137         from {
 138           transform: translateX(0%);
 139         }
 140         to {
 141           transform: translateX(-50%);
 142         }
 143       }
 144
 145       #cloudscopy {
 146         animation: cloudscopyfloat 40s linear infinite;
 147       }
 148
 149
 150       /* Trees */
 151       @keyframes treespass {
 152         from {
 153           transform: translateX(0%);
 154         }
 155         to {
 156           transform: translateX(-50%);
 157         }
 158       }
 159
 160       #trees {
 161         /* The trees move a little faster than the clouds */
 162         animation: treespass 30s linear infinite;
 163       }
 164
 165       @keyframes treescopypass {
 166         from {
 167           transform: translateX(0%);
 168         }
 169         to {
 170           transform: translateX(-50%);
 171         }
 172       }
 173
 174       #treescopy {
 175         /* The trees move a little faster than the clouds */
 176         animation: treescopypass 30s linear infinite;
 177       }
 178
 179
 180       /* City skyline */
 181       @keyframes cityscroll {
 182         from {
 183           transform: translateX(0%);
 184         }
 185         to {
 186           transform: translateX(-50%);
 187         }
 188       }
 189
 190       #city {
 191         /* The city moves faster than the clouds but slower
 192          * than the trees */
 193         animation: cityscroll 35s linear infinite;
 194       }
 195
 196       @keyframes citycopyscroll {
 197         from {
 198           transform: translateX(0%);
 199         }
 200         to {
 201           transform: translateX(-50%);
 202         }
 203       }
 204
 205       #citycopy {
 206         /* The city moves faster than the clouds but slower
 207          * than the trees */
 208         animation: citycopyscroll 35s linear infinite;
 209       }
 210     </style>
 211   </head>
 212
 213   <body>
 214     <div id="menu">
 215       <h1>CharmBypass</h1>
 216       <h2>it's transit equity y'all</h2>
 217
 218       <p>
 219         <em>Hint:</em> If you think the driver or fare inspector will
 220         actually check it, the daily security code is the same on a
 221         $2.00 BaltimoreLink ticket as it is on a $9.00 MARC Train
 222         ticket. It's also the same on your friend's phone, or for
 223         anyone else in Maryland that day.
 224       </p>
 225
 226       <form>
 227         <fieldset>
 228           <legend>BaltimoreLink (Bus, Light Rail, Metro)</legend>
 229           <div>
 230             <label for="code1">
 231               Daily security code (optional):
 232             </label>
 233             <input id="code1"
 234                    name="code"
 235                    type="text"
 236                    minlength="2"
 237                    maxlength="2"
 238                    pattern="[a-zA-Z0-9]*" />
 239           </div>
 240           <input type="hidden" name="servicename" value="BaltimoreLink" />
 241           <input type="submit" name="go" value="Get Ticket" />
 242         </fieldset>
 243       </form>
 244       <form>
 245         <fieldset>
 246           <legend>Commuter Bus</legend>
 247           <input type="hidden" name="serviceid" value="R" />
 248           <input type="hidden" name="servicename" value="Commuter Bus" />
 249
 250           <div>
 251             <label for="code2">
 252               Daily security code (optional):
 253             </label>
 254             <input id="code2"
 255                    name="code"
 256                    type="text"
 257                    minlength="2"
 258                    maxlength="2"
 259                    pattern="[a-zA-Z0-9]*" />
 260           </div>
 261
 262           <h3>Zone</h3>
 263           <div>
 264             <input required type="radio" id="zone1" name="zone" value="Zone 1" />
 265             <label for="zone1">Zone 1</label>
 266           </div>
 267           <div>
 268             <input required type="radio" id="zone2" name="zone" value="Zone 2" />
 269             <label for="zone2">Zone 2</label>
 270           </div>
 271           <div>
 272             <input required type="radio" id="zone3" name="zone" value="Zone 3" />
 273             <label for="zone3">Zone 3</label>
 274           </div>
 275           <div>
 276             <input required type="radio" id="zone4" name="zone" value="Zone 4" />
 277             <label for="zone4">Zone 4</label>
 278           </div>
 279           <div>
 280             <input required type="radio" id="zone5" name="zone" value="Zone 5" />
 281             <label for="zone5">Zone 5</label>
 282           </div>
 283
 284           <input type="submit" name="go" value="Get Ticket" />
 285         </fieldset>
 286       </form>
 287       <form>
 288         <fieldset>
 289           <legend>MARC Train</legend>
 290
 291           <div>
 292             <label for="code3">
 293               Daily security code (optional):
 294             </label>
 295             <input id="code3"
 296                    name="code"
 297                    type="text"
 298                    minlength="2"
 299                    maxlength="2"
 300                    pattern="[a-zA-Z0-9]*" />
 301           </div>
 302
 303           <h3>Origin</h3>
 304
 305           <div>
 306             <input required type="radio" id="origin1" name="origin" value="BAL" />
 307             <label for="origin1">Baltimore/Penn (Penn Line)</label>
 308           </div>
 309           <div>
 310             <input required type="radio" id="origin2" name="origin" value="BCA" />
 311             <label for="origin2">Baltimore/Camden (Camden Line)</label>
 312           </div>
 313           <div>
 314             <input required type="radio" id="origin3" name="origin" value="BWE" />
 315             <label for="origin3">Bowie State (Penn Line)</label>
 316           </div>
 317           <div>
 318             <input required type="radio" id="origin4" name="origin" value="BWI" />
 319             <label for="origin4">BWI Airport (Penn Line)</label>
 320           </div>
 321           <div>
 322             <input required type="radio" id="origin5" name="origin" value="CPK" />
 323             <label for="origin5">College Park (Camden Line)</label>
 324           </div>
 325           <div>
 326             <input required type="radio" id="origin6" name="origin" value="SEB" />
 327             <label for="origin6">Seabrook (Penn Line)</label>
 328           </div>
 329           <div>
 330             <input required type="radio" id="origin7" name="origin" value="WAS" />
 331             <label for="origin7">Washington D.C.</label>
 332           </div>
 333           <div>
 334             <input required type="radio" id="origin8" name="origin" value="WBL" />
 335             <label for="origin8">West Baltimore (Penn Line)</label>
 336           </div>
 337
 338           <h3>Destination</h3>
 339           <div>
 340             <input required type="radio" id="destination1" name="destination" value="BAL" />
 341             <label for="destination1">Baltimore/Penn (Penn Line)</label>
 342           </div>
 343           <div>
 344             <input required type="radio" id="destination2" name="destination" value="BCA" />
 345             <label for="destination2">Baltimore/Camden (Camden Line)</label>
 346           </div>
 347           <div>
 348             <input required type="radio" id="destination3" name="destination" value="BWE" />
 349             <label for="destination3">Bowie State (Penn Line)</label>
 350           </div>
 351           <div>
 352             <input required type="radio" id="destination4" name="destination" value="BWI" />
 353             <label for="destination4">BWI Airport (Penn Line)</label>
 354           </div>
 355           <div>
 356             <input required type="radio" id="destination5" name="destination" value="CPK" />
 357             <label for="destination5">College Park (Camden Line)</label>
 358           </div>
 359           <div>
 360             <input required type="radio" id="destination6" name="destination" value="SEB" />
 361             <label for="destination6">Seabrook (Penn Line)</label>
 362           </div>
 363           <div>
 364             <input required type="radio" id="destination7" name="destination" value="WAS" />
 365             <label for="destination7">Washington D.C.</label>
 366           </div>
 367           <div>
 368             <input required type="radio" id="destination8" name="destination" value="WBL" />
 369             <label for="destination8">West Baltimore (Penn Line)</label>
 370           </div>
 371
 372           <input type="hidden" name="serviceid" value="R" />
 373           <input type="hidden" name="servicename" value="MARC Train" />
 374           <input type="submit" name="go" value="Get Ticket" />
 375         </fieldset>
 376       </form>
 377     </div>
 378
 379     @SVGDATA@
 380
 381     <script>
 382
 383       /***********************************************/
 384       /* First, center the ticket within the browser */
 385       /***********************************************/
 386
 387       function center_ticket() {
 388         /* We're relying on the SVG being the full height of the
 389          * viewport already, and on the aspect ratio being
 390          * preserved. First, find the center of the ticket. */
 391         const r = document.getElementById("ticket").getBoundingClientRect();
 392         const c = r.left + (r.width / 2);
 393
 394         /* That's the center-line of the ticket. We want to move it to
 395          * the center-line of the viewport. */
 396         const vc = document.documentElement.clientWidth / 2;
 397
 398         /* This is how much we need to translate the SVG */
 399         const hdelta = vc - c;
 400
 401         /* But before we can set the absolute left-coordinate of the
 402          * SVG, we need to know where it is now. Note: without the
 403          * "px" this doesn't default to pixels like CSS does. */
 404         const svg = document.querySelector("svg");
 405         svg.style.left = (svg.getBoundingClientRect().left + hdelta) + "px";
 406       }
 407
 408
 409       /******************************/
 410       /* Set the service identifier */
 411       /******************************/
 412       function set_service_id() {
 413         const sid = document.getElementById("serviceid");
 414
 415         /* Get the "serviceid" from the querystring if it's there */
 416         const params = new URLSearchParams(document.location.search);
 417         if (params.get("serviceid")) {
 418           sid.textContent = params.get("serviceid");
 419         }
 420
 421         /* Otherwise, leave it at "F" */
 422       }
 423
 424       /************************/
 425       /* Set the service name */
 426       /************************/
 427       function set_service_name() {
 428         const sid = document.getElementById("servicename");
 429
 430         /* Get the "servicename" from the querystring if it's there */
 431         const params = new URLSearchParams(document.location.search);
 432         if (params.get("servicename")) {
 433           sid.textContent = params.get("servicename");
 434         }
 435
 436         /* Otherwise, leave it at "BaltimoreLink" */
 437       }
 438
 439
 440       /************************/
 441       /* Set the service zone */
 442       /************************/
 443       function set_service_zone(event, zone) {
 444         /* We can take the zone as a parameter too; this allows us to
 445          * use this function for the (computed) MARC Train zone and
 446          * not just the querystring Commuter Bus zone. The extra
 447          * "event" parameter is there for the event listener, which
 448          * would otherwise stuff an onload event into the zone
 449          * parameter. "Thankfully" javascript lets us call a
 450          * two-argument function with one argument and thereby abuse
 451          * the event handler for this. */
 452         const z = document.getElementById("zone");
 453         const params = new URLSearchParams(document.location.search);
 454
 455         if (zone) {
 456           z.textContent = zone;
 457           z.style.display = "block"; /* It's hidden by default */
 458         }
 459         else if (params.get("zone")) {
 460           /* Get the "zone" from the querystring if it's there */
 461           z.textContent = params.get("zone");
 462           z.style.display = "block"; /* It's hidden by default */
 463         }
 464
 465         /* Otherwise, leave it blank (and hidden) */
 466       }
 467
 468       /***********************************************************/
 469       /* Resize the  ticket background based on the service name */
 470       /***********************************************************/
 471
 472       function resize_ticket() {
 473         /* Get the "servicename" from the querystring if it's there */
 474         const params = new URLSearchParams(document.location.search);
 475         const tbg = document.getElementById("ticketbg");
 476         const t = document.getElementById("ticket");
 477         const sn = document.getElementById("servicename");
 478
 479         if (params.get("servicename") == "Commuter Bus") {
 480           /* The top of the background is initially at y=246.859, and
 481            * we scale it by a factor of 1.12 to y=276.482 for a change
 482            * of 29.623. So after we scale it, we translate it upwards
 483            * by that amount to put it back where it started. */
 484           tbg.setAttribute("transform", "translate(0 -29.623) scale(1 1.12)");
 485
 486           /* Now translate the entire ticket up by the magic amount, 1/5
 487            * of the size change we made to the background. This ratio
 488            * was found by measuring pixels in side-by-side screenshots
 489            * of BaltimoreLink and Commuter Bus tickets. */
 490           t.setAttribute("transform", "translate(0 -9.33)");
 491
 492           /* More magic numbers discovered by comparing the two
 493            * tickets overlayed in inkscape */
 494           sn.setAttribute("transform", "translate(0 64.28)");
 495         }
 496         else if (params.get("servicename") == "MARC Train") {
 497           /* insane tricks are explained above */
 498           tbg.setAttribute("transform",
 499                            "translate(0 -72.378) scale(1 1.2932)");
 500           t.setAttribute("transform", "translate(0 -67.17)");
 501           sn.setAttribute("transform", "translate(0 131.0)");
 502         }
 503
 504         /* Otherwise, leave it alone. The SVG was designed with the
 505          * BaltimoreLink ticket in mind */
 506       }
 507
 508       /****************************************/
 509       /* Set and reposition the security code */
 510       /****************************************/
 511
 512       function set_code() {
 513         const ct = document.getElementById("codetext");
 514
 515         /* Get the "code" from the querystring if it's there */
 516         const params = new URLSearchParams(document.location.search);
 517         if (params.get("code")) {
 518           ct.textContent = params.get("code").toUpperCase();
 519         }
 520         else {
 521           /* Otherwise, use a random code */
 522           const bucket = ["0","1","2","3","4","5","6","7","8","9",
 523                           "A","B","C","D","E","F","G","H","I","J",
 524                           "K","L","M","N","O","P","Q","R","S","T",
 525                           "U","V","W","X","Y","Z"];
 526
 527           /* Two random ints between 0 and 35 */
 528           const i1 = Math.floor(Math.random() * 36);
 529           const i2 = Math.floor(Math.random() * 36);
 530           const d1 = bucket[i1];
 531           const d2 = bucket[i2];
 532           ct.textContent = d1 + d2;
 533         }
 534       }
 535
 536
 537       function center_code() {
 538         /* Center the security code inside its red box */
 539         const ct = document.getElementById("codetext");
 540         const bg = document.getElementById("codebg");
 541
 542         /* First, find the center of the red box */
 543         const r1 = bg.getBoundingClientRect();
 544         const c1 = r1.left + (r1.width / 2);
 545
 546         /* Now the center of the code text */
 547         const r2 = ct.getBoundingClientRect();
 548         const c2 = r2.left + (r2.width / 2);
 549
 550         /* What do we add to c2 to make it equal to c1? */
 551         const hdelta = c1 - c2;
 552
 553         /* We've measured everything so far in "client rect"
 554          * coordinates, because that's the only available measurement
 555          * we have for the width of the <text> element after futzing
 556          * with its contents. But when we reposition that <text>
 557          * element, it will be by adjusting its "x" attribute, and
 558          * that attribute uses a different coordinate system than the
 559          * client rect does. Specifically, "x" refers to an offset
 560          * within the SVG's coordinate system, and the client rect
 561          * coordinates are pixels on-screen. To convert between the
 562          * two, we can take the "width" attribute of the background
 563          * element and compare it to the width of the background
 564          * element's client rect. Since the size of the background is
 565          * fixed, this should give us a multiplier that turns client recr
 566          * distances (what we have) into SVG distances (what we want) */
 567         const client_to_svg = parseFloat(bg.getAttribute("width"))/r1.width;
 568
 569         /* Convert hdelta from client rect to SVG coordinates */
 570         const svg_hdelta = hdelta * client_to_svg;
 571
 572         /* Since this <text> element has an "x" attribute it's easier for
 573          * us to shift that than it is to mess with the "left" style. */
 574         ct.setAttribute("x", parseFloat(ct.getAttribute("x")) + svg_hdelta);
 575       }
 576
 577       /*****************************************/
 578       /* Next, set up the ticket date and time */
 579       /*****************************************/
 580
 581       function set_ticket_expiry() {
 582         /* There are two parameters, time and date, that we store in one
 583          * underlying "date" variable. Default both to an hour and a
 584          * half from now. This is what the CharmPass app does for
 585          * one-way tickets. */
 586         const date = new Date();
 587
 588         /* BaltimoreLink and MARC Train are valid for an hour and a half */
 589         let minutes = 90;
 590         const params = new URLSearchParams(document.location.search);
 591         if (params.get("servicename") == "Commuter Bus") {
 592           /* But commuter bus tickets are only valid for ten minutes */
 593           minutes = 10;
 594         }
 595
 596         /* We use the low-level get/setTime to change the number of
 597          * milliseconds since the epoch that this date represents
 598          * Obviously correct, and avoids all suspicious corner cases
 599          * for a few more decades. */
 600         date.setTime(date.getTime() + (minutes*60*1000));
 601
 602         tt = document.getElementById("tickettime");
 603         tt.textContent = date.toLocaleTimeString();
 604
 605         const td = document.getElementById("ticketdate");
 606         const dateopts = {
 607           day: "2-digit",
 608           month: "2-digit",
 609           year: "2-digit"
 610         };
 611         td.textContent = date.toLocaleDateString("en-US", dateopts);
 612       }
 613
 614
 615       /*********************************************************/
 616       /* Finally, the onclick handler for the night/day switch */
 617       /*********************************************************/
 618
 619       /* We always start in "day" mode */
 620       is_day = true;
 621
 622       function set_day() {
 623         sky.style.fill = "#efb02f";
 624       }
 625
 626       function set_night() {
 627         sky.style.fill = "#143b66";
 628       }
 629
 630       function swap_colors() {
 631         if (is_day) {
 632           set_night();
 633           is_day = false;
 634         }
 635         else {
 636           set_day();
 637           is_day = true;
 638         }
 639       }
 640
 641
 642       /*******************************************************/
 643       /* Compute the MARC "zone" from its origin/destination */
 644       /*******************************************************/
 645
 646       /* Sorted on the first component, then the second */
 647       const zone_map = {
 648         BAL_BWE: 2,
 649         BAL_BWI: 1,
 650         BAL_SEB: 3,
 651         BAL_WAS: 4,
 652         BAL_WBL: 1,
 653         BCA_CPK_: 3,
 654         BCA_WAS_: 4,
 655         BWI_BWE: 1,
 656         BWI_WAS: 3,
 657         BWI_WBL: 1
 658       };
 659
 660       /* Compute the zone (string) for the given origin/destination pair.
 661        * If we don't know it or if you chose in invalid pair (destination
 662        * not on the same line as your origin?) then the empty string is
 663        * returned. */
 664       function compute_marc_zone(src, dest) {
 665         /* Forward direction key for zone_map */
 666         const fwd = src + "_" +  dest;
 667
 668         /* Reverse direction key for zone_map. The zone_map only
 669          * has them listed in one direction, so we check both
 670          * directions here. */
 671         const rev = dest + "_" +  src;
 672
 673         /* The default. Obviously wrong for when we don't
 674          * have the necessary data. */
 675         let zone = -1;
 676
 677         if (zone_map[fwd]) {
 678           zone = zone_map[fwd];
 679         }
 680         else if (zone_map[rev]) {
 681           zone = zone_map[rev];
 682         }
 683
 684         /* Convert the number to a string */
 685         switch (zone) {
 686           case 1:
 687             return "One Zone";
 688           case 2:
 689             return "Two Zone";
 690           case 3:
 691             return "Three Zone";
 692           case 4:
 693             return "Four Zone";
 694           default:
 695             return "";
 696         }
 697       }
 698
 699       function set_marc_zone() {
 700         const params = new URLSearchParams(document.location.search);
 701         if (params.get("origin") && params.get("destination")) {
 702           const src = params.get("origin");
 703           const dest = params.get("destination");
 704           const zone = compute_marc_zone(src, dest);
 705
 706           set_service_zone(null, zone);
 707         }
 708       }
 709
 710
 711       /*****************************************************/
 712       /* Set the origin and destination for the MARC Train */
 713       /*****************************************************/
 714
 715       function set_marc_origin_destination() {
 716         const params = new URLSearchParams(document.location.search);
 717         if (!params.get("origin") || !params.get("destination")) {
 718           return;
 719         }
 720
 721         const src = params.get("origin");
 722         const dest = params.get("destination");
 723
 724         /* origindest contains both the origin and destination */
 725         const origindest = document.getElementById("origindest");
 726
 727         const origin = document.getElementById("origin");
 728         const destination = document.getElementById("destination");
 729
 730         origin.textContent = params.get("origin");
 731         destination.textContent = params.get("destination");
 732
 733         origindest.style.display = "block"; /* It's hidden by default */
 734       }
 735
 736       /******************************************/
 737       /* Display the ticket (and hide the menu) */
 738       /******************************************/
 739
 740       function go() {
 741         /* To create our "window" onto the scene, we're going to slide the
 742          * SVG off the left-hand side of the screen, and we don't want
 743          * scroll bars to appear. */
 744         document.body.style.overflow = "hidden";
 745         document.body.style.margin = "0";
 746         document.body.style.padding = "0";
 747
 748         const svg = document.querySelector("svg");
 749         const menu = document.getElementById("menu");
 750         svg.style.display = "initial";
 751         menu.style.display = "none";
 752       }
 753
 754       /*****************************************************/
 755       /* Add event handlers for all of the functions above */
 756       /*****************************************************/
 757
 758       const params = new URLSearchParams(document.location.search);
 759       if (params.get("go")) {
 760         /* First unhide the SVG (swap it with the form) */
 761         window.addEventListener("load", go);
 762
 763         /* Center the ticket once when the page has loaded */
 764         window.addEventListener("load", center_ticket);
 765
 766         /* Re-center the ticket when the window is resized */
 767         window.addEventListener("resize", center_ticket);
 768
 769         /* Set the service identifier when the page has loaded */
 770         window.addEventListener("load", set_service_id);
 771
 772         /* Set the service name when the page has loaded */
 773         window.addEventListener("load", set_service_name);
 774
 775         /* Set the service zone when the page has loaded */
 776         window.addEventListener("load", set_service_zone);
 777
 778         /* Resize the ticket background if necessary */
 779         window.addEventListener("load", resize_ticket);
 780
 781         /* Set the security code text when the page has loaded */
 782         window.addEventListener("load", set_code);
 783
 784         /* Center the security code text when the page has loaded; in
 785          * particular, after we set the code. */
 786         window.addEventListener("load", center_code);
 787
 788         /* Set the ticket expiration date/time upon page load */
 789         window.addEventListener("load", set_ticket_expiry);
 790
 791         /* Set the MARC Train origin and destination, if applicable */
 792         window.addEventListener("load", set_marc_origin_destination);
 793
 794         /* Set the MARC Train zone, if applicable */
 795         window.addEventListener("load", set_marc_zone);
 796
 797         /* Swap colors when the screen is tapped */
 798         document.body.addEventListener("click", swap_colors);
 799       }
 800
 801     </script>
 802   </body>
 803 </html>