doc/xslt/slides/html/vslides.xsl

   1 <?xml version="1.0"?>
   2 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   3                 version="1.0">
   4
   5 <xsl:import href="slides-common.xsl"/>
   6
   7 <xsl:param name="but-fforward.png"  select="'active/but-fforward.png'"/>
   8 <xsl:param name="but-info.png"      select="'active/but-info.png'"/>
   9 <xsl:param name="but-next.png"      select="'active/but-next.png'"/>
  10 <xsl:param name="but-prev.png"      select="'active/but-prev.png'"/>
  11 <xsl:param name="but-rewind.png"    select="'active/but-rewind.png'"/>
  12
  13 <xsl:param name="but-xfforward.png" select="'inactive/but-fforward.png'"/>
  14 <xsl:param name="but-xinfo.png"     select="'inactive/but-info.png'"/>
  15 <xsl:param name="but-xnext.png"     select="'inactive/but-next.png'"/>
  16 <xsl:param name="but-xprev.png"     select="'inactive/but-prev.png'"/>
  17 <xsl:param name="but-xrewind.png"   select="'inactive/but-rewind.png'"/>
  18
  19 <!-- overrides for this stylesheet -->
  20 <xsl:param name="titlefoil.html" select="concat('index', $html.ext)"/>
  21 <xsl:param name="toc.width" select="40"/>
  22
  23 <!-- ============================================================ -->
  24
  25 <xsl:template match="slides">
  26   <xsl:call-template name="write.chunk">
  27     <xsl:with-param name="indent" select="$output.indent"/>
  28     <xsl:with-param name="filename" select="concat($base.dir, $toc.html)"/>
  29     <xsl:with-param name="content">
  30       <html>
  31         <head>
  32           <title><xsl:value-of select="slidesinfo/title"/></title>
  33           <xsl:if test="$css.stylesheet != ''">
  34             <link type="text/css" rel="stylesheet">
  35               <xsl:attribute name="href">
  36                 <xsl:call-template name="css.stylesheet"/>
  37               </xsl:attribute>
  38             </link>
  39           </xsl:if>
  40           <xsl:apply-templates select="/processing-instruction('dbhtml')" mode="css.pi"/>
  41
  42           <xsl:call-template name="links">
  43             <xsl:with-param name="next" select="/slides"/>
  44             <xsl:with-param name="tocfile" select="$toc.html"/>
  45           </xsl:call-template>
  46
  47           <xsl:if test="$keyboard.nav != 0">
  48             <script language="javascript" type="text/javascript">
  49               <xsl:text> </xsl:text>
  50             </script>
  51           </xsl:if>
  52
  53           <xsl:if test="$keyboard.nav != 0">
  54             <xsl:call-template name="ua.js"/>
  55             <xsl:call-template name="xbDOM.js">
  56               <xsl:with-param name="language" select="'javascript'"/>
  57             </xsl:call-template>
  58             <xsl:call-template name="xbLibrary.js"/>
  59             <script language="javascript" type="text/javascript">
  60               <xsl:text disable-output-escaping="yes">
  61                 &lt;!--
  62                 xblibrary = new xbLibrary('../browser');
  63                 // --&gt;
  64               </xsl:text>
  65             </script>
  66             <xsl:call-template name="xbStyle.js"/>
  67             <xsl:call-template name="xbCollapsibleLists.js"/>
  68             <xsl:call-template name="slides.js">
  69               <xsl:with-param name="language" select="'javascript'"/>
  70             </xsl:call-template>
  71           </xsl:if>
  72         </head>
  73         <body class="tocpage">
  74           <xsl:call-template name="body.attributes"/>
  75           <xsl:if test="$keyboard.nav != 0">
  76             <xsl:attribute name="onkeypress">
  77               <xsl:text>navigate(event)</xsl:text>
  78             </xsl:attribute>
  79           </xsl:if>
  80
  81           <table border="0" width="100%" summary="Navigation and body table"
  82                  cellpadding="0" cellspacing="0">
  83             <tr>
  84               <td>&#160;</td>
  85               <td><xsl:apply-templates select="." mode="header"/></td>
  86             </tr>
  87
  88             <tr>
  89               <td width="{$toc.width}" valign="top" align="left">
  90                 <xsl:if test="$toc.bg.color != ''">
  91                   <xsl:attribute name="bgcolor">
  92                     <xsl:value-of select="$toc.bg.color"/>
  93                   </xsl:attribute>
  94                 </xsl:if>
  95
  96                 <xsl:call-template name="vertical-navigation">
  97                   <xsl:with-param name="next" select="/slides"/>
  98                   <xsl:with-param name="tocfile"/>
  99                 </xsl:call-template>
 100
 101               </td>
 102               <td valign="top" align="left">
 103                 <xsl:if test="$body.bg.color != ''">
 104                   <xsl:attribute name="bgcolor">
 105                     <xsl:value-of select="$body.bg.color"/>
 106                   </xsl:attribute>
 107                 </xsl:if>
 108
 109                 <div class="{name(.)}">
 110
 111                   <div class="toc-body">
 112                     <xsl:call-template name="toc-body"/>
 113                   </div>
 114
 115                 </div>
 116               </td>
 117             </tr>
 118
 119             <tr>
 120               <td>&#160;</td>
 121               <td><xsl:apply-templates select="." mode="footer"/></td>
 122             </tr>
 123           </table>
 124         </body>
 125       </html>
 126     </xsl:with-param>
 127   </xsl:call-template>
 128
 129   <xsl:apply-templates/>
 130 </xsl:template>
 131
 132 <xsl:template match="slidesinfo">
 133   <xsl:call-template name="write.chunk">
 134     <xsl:with-param name="indent" select="$output.indent"/>
 135     <xsl:with-param name="filename" select="concat($base.dir, $titlefoil.html)"/>
 136     <xsl:with-param name="content">
 137       <html>
 138         <head>
 139           <title><xsl:value-of select="title"/></title>
 140           <xsl:if test="$css.stylesheet != ''">
 141             <link type="text/css" rel="stylesheet">
 142               <xsl:attribute name="href">
 143                 <xsl:call-template name="css.stylesheet"/>
 144               </xsl:attribute>
 145             </link>
 146           </xsl:if>
 147           <xsl:apply-templates select="/processing-instruction('dbhtml')" mode="css.pi"/>
 148
 149           <xsl:call-template name="links">
 150             <xsl:with-param name="next" select="(/slides/foil|/slides/foilgroup)[1]"/>
 151             <xsl:with-param name="tocfile" select="$toc.html"/>
 152           </xsl:call-template>
 153
 154           <xsl:if test="$keyboard.nav != 0">
 155             <script language="javascript" type="text/javascript">
 156               <xsl:text> </xsl:text>
 157             </script>
 158           </xsl:if>
 159
 160           <xsl:if test="$keyboard.nav != 0">
 161             <xsl:call-template name="ua.js"/>
 162             <xsl:call-template name="xbDOM.js">
 163               <xsl:with-param name="language" select="'javascript'"/>
 164             </xsl:call-template>
 165             <xsl:call-template name="xbLibrary.js"/>
 166             <script language="javascript" type="text/javascript">
 167               <xsl:text disable-output-escaping="yes">
 168                 &lt;!--
 169                 xblibrary = new xbLibrary('../browser');
 170                 // --&gt;
 171               </xsl:text>
 172             </script>
 173             <xsl:call-template name="xbStyle.js"/>
 174             <xsl:call-template name="xbCollapsibleLists.js"/>
 175             <xsl:call-template name="slides.js">
 176               <xsl:with-param name="language" select="'javascript'"/>
 177             </xsl:call-template>
 178           </xsl:if>
 179         </head>
 180         <body class="titlepage">
 181           <xsl:call-template name="body.attributes"/>
 182           <xsl:if test="$keyboard.nav != 0">
 183             <xsl:attribute name="onkeypress">
 184               <xsl:text>navigate(event)</xsl:text>
 185             </xsl:attribute>
 186           </xsl:if>
 187
 188           <table border="0" width="100%" summary="Navigation and body table"
 189                  cellpadding="0" cellspacing="0">
 190             <tr>
 191               <td>&#160;</td>
 192               <td><xsl:apply-templates select="." mode="header"/></td>
 193             </tr>
 194
 195             <tr>
 196               <td width="{$toc.width}" valign="top" align="left">
 197                 <xsl:if test="$toc.bg.color != ''">
 198                   <xsl:attribute name="bgcolor">
 199                     <xsl:value-of select="$toc.bg.color"/>
 200                   </xsl:attribute>
 201                 </xsl:if>
 202
 203                 <xsl:call-template name="vertical-navigation">
 204                   <xsl:with-param name="first"/>
 205                   <xsl:with-param name="last" select="(following::foilgroup|following::foil)[last()]"/>
 206                   <xsl:with-param name="next" select="(following::foilgroup|following::foil)[1]"/>
 207                 </xsl:call-template>
 208
 209               </td>
 210               <td valign="top" align="left">
 211                 <xsl:if test="$body.bg.color != ''">
 212                   <xsl:attribute name="bgcolor">
 213                     <xsl:value-of select="$body.bg.color"/>
 214                   </xsl:attribute>
 215                 </xsl:if>
 216                 <div class="{name(.)}">
 217                   <xsl:apply-templates mode="titlepage.mode"/>
 218                 </div>
 219               </td>
 220             </tr>
 221
 222             <tr>
 223               <td>&#160;</td>
 224               <td><xsl:apply-templates select="." mode="footer"/></td>
 225             </tr>
 226           </table>
 227         </body>
 228       </html>
 229     </xsl:with-param>
 230   </xsl:call-template>
 231 </xsl:template>
 232
 233 <xsl:template match="foilgroup">
 234   <xsl:param name="thisfoilgroup">
 235     <xsl:apply-templates select="." mode="filename"/>
 236   </xsl:param>
 237
 238   <xsl:variable name="id">
 239     <xsl:call-template name="object.id"/>
 240   </xsl:variable>
 241
 242   <xsl:variable name="nextfoil" select="foil[1]"/>
 243   <xsl:variable name="lastfoil" select="(descendant::foil|following::foil)[last()]"/>
 244   <xsl:variable name="prevfoil" select="(preceding::foil|/slides)[last()]"/>
 245
 246   <xsl:call-template name="write.chunk">
 247     <xsl:with-param name="indent" select="$output.indent"/>
 248     <xsl:with-param name="filename" select="concat($base.dir, $thisfoilgroup)"/>
 249     <xsl:with-param name="content">
 250       <html>
 251         <head>
 252           <title><xsl:value-of select="title"/></title>
 253           <xsl:if test="$css.stylesheet != ''">
 254             <link type="text/css" rel="stylesheet">
 255               <xsl:attribute name="href">
 256                 <xsl:call-template name="css.stylesheet"/>
 257               </xsl:attribute>
 258             </link>
 259           </xsl:if>
 260           <xsl:apply-templates select="/processing-instruction('dbhtml')" mode="css.pi"/>
 261
 262           <xsl:call-template name="links">
 263             <xsl:with-param name="prev" select="$prevfoil"/>
 264             <xsl:with-param name="next" select="$nextfoil"/>
 265           </xsl:call-template>
 266
 267           <xsl:if test="$keyboard.nav != 0">
 268             <script language="javascript" type="text/javascript">
 269               <xsl:text> </xsl:text>
 270             </script>
 271           </xsl:if>
 272
 273           <xsl:if test="$keyboard.nav != 0">
 274             <xsl:call-template name="ua.js"/>
 275             <xsl:call-template name="xbDOM.js">
 276               <xsl:with-param name="language" select="'javascript'"/>
 277             </xsl:call-template>
 278             <xsl:call-template name="xbLibrary.js"/>
 279             <script language="javascript" type="text/javascript">
 280               <xsl:text disable-output-escaping="yes">
 281                 &lt;!--
 282                 xblibrary = new xbLibrary('../browser');
 283                 // --&gt;
 284               </xsl:text>
 285             </script>
 286             <xsl:call-template name="xbStyle.js"/>
 287             <xsl:call-template name="xbCollapsibleLists.js"/>
 288             <xsl:call-template name="slides.js">
 289               <xsl:with-param name="language" select="'javascript'"/>
 290             </xsl:call-template>
 291           </xsl:if>
 292         </head>
 293         <body class="foilgroup">
 294           <xsl:call-template name="body.attributes"/>
 295           <xsl:if test="$keyboard.nav != 0">
 296             <xsl:attribute name="onkeypress">
 297               <xsl:text>navigate(event)</xsl:text>
 298             </xsl:attribute>
 299           </xsl:if>
 300
 301           <table border="0" width="100%" summary="Navigation and body table"
 302                  cellpadding="0" cellspacing="0">
 303             <tr>
 304               <td>&#160;</td>
 305               <td><xsl:apply-templates select="." mode="header"/></td>
 306             </tr>
 307
 308             <tr>
 309               <td width="{$toc.width}" valign="top" align="left">
 310                 <xsl:if test="$toc.bg.color != ''">
 311                   <xsl:attribute name="bgcolor">
 312                     <xsl:value-of select="$toc.bg.color"/>
 313                   </xsl:attribute>
 314                 </xsl:if>
 315
 316                 <xsl:call-template name="vertical-navigation">
 317                   <xsl:with-param name="last" select="$lastfoil"/>
 318                   <xsl:with-param name="prev" select="$prevfoil"/>
 319                   <xsl:with-param name="next" select="$nextfoil"/>
 320                 </xsl:call-template>
 321
 322               </td>
 323               <td valign="top" align="left">
 324                 <xsl:if test="$body.bg.color != ''">
 325                   <xsl:attribute name="bgcolor">
 326                     <xsl:value-of select="$body.bg.color"/>
 327                   </xsl:attribute>
 328                 </xsl:if>
 329
 330                 <div class="{name(.)}">
 331                   <xsl:apply-templates/>
 332                 </div>
 333               </td>
 334             </tr>
 335
 336             <tr>
 337               <td>&#160;</td>
 338               <td><xsl:apply-templates select="." mode="footer"/></td>
 339             </tr>
 340           </table>
 341         </body>
 342       </html>
 343     </xsl:with-param>
 344   </xsl:call-template>
 345
 346   <xsl:apply-templates select="foil"/>
 347 </xsl:template>
 348
 349 <xsl:template match="foil">
 350   <xsl:variable name="id">
 351     <xsl:call-template name="object.id"/>
 352   </xsl:variable>
 353
 354   <xsl:variable name="foilgroup" select="ancestor::foilgroup"/>
 355
 356   <xsl:variable name="thisfoil">
 357     <xsl:apply-templates select="." mode="filename"/>
 358   </xsl:variable>
 359
 360   <xsl:variable name="nextfoil" select="(following::foil
 361                                         |following::foilgroup)[1]"/>
 362
 363   <xsl:variable name="lastfoil" select="following::foil[last()]"/>
 364
 365   <xsl:variable name="prevfoil" select="(preceding-sibling::foil[1]
 366                                         |parent::foilgroup[1]
 367                                         |/slides)[last()]"/>
 368
 369   <xsl:call-template name="write.chunk">
 370     <xsl:with-param name="indent" select="$output.indent"/>
 371     <xsl:with-param name="filename" select="concat($base.dir, $thisfoil)"/>
 372     <xsl:with-param name="content">
 373       <html>
 374         <head>
 375           <title><xsl:value-of select="title"/></title>
 376           <xsl:if test="$css.stylesheet != ''">
 377             <link type="text/css" rel="stylesheet">
 378               <xsl:attribute name="href">
 379                 <xsl:call-template name="css.stylesheet"/>
 380               </xsl:attribute>
 381             </link>
 382           </xsl:if>
 383           <xsl:apply-templates select="/processing-instruction('dbhtml')" mode="css.pi"/>
 384
 385           <xsl:call-template name="links">
 386             <xsl:with-param name="prev" select="$prevfoil"/>
 387             <xsl:with-param name="next" select="$nextfoil"/>
 388           </xsl:call-template>
 389
 390           <xsl:if test="$keyboard.nav != 0">
 391             <script language="javascript" type="text/javascript">
 392               <xsl:text> </xsl:text>
 393             </script>
 394           </xsl:if>
 395
 396           <xsl:if test="$keyboard.nav != 0">
 397             <xsl:call-template name="ua.js"/>
 398             <xsl:call-template name="xbDOM.js">
 399               <xsl:with-param name="language" select="'javascript'"/>
 400             </xsl:call-template>
 401             <xsl:call-template name="xbLibrary.js"/>
 402             <script language="javascript" type="text/javascript">
 403               <xsl:text disable-output-escaping="yes">
 404                 &lt;!--
 405                 xblibrary = new xbLibrary('../browser');
 406                 // --&gt;
 407               </xsl:text>
 408             </script>
 409             <xsl:call-template name="xbStyle.js"/>
 410             <xsl:call-template name="xbCollapsibleLists.js"/>
 411             <xsl:call-template name="slides.js">
 412               <xsl:with-param name="language" select="'javascript'"/>
 413             </xsl:call-template>
 414           </xsl:if>
 415         </head>
 416         <body class="foil">
 417           <xsl:call-template name="body.attributes"/>
 418           <xsl:if test="$keyboard.nav != 0">
 419             <xsl:attribute name="onkeypress">
 420               <xsl:text>navigate(event)</xsl:text>
 421             </xsl:attribute>
 422           </xsl:if>
 423
 424           <table border="0" width="100%" summary="Navigation and body table"
 425                  cellpadding="0" cellspacing="0">
 426             <tr>
 427               <td>&#160;</td>
 428               <td><xsl:apply-templates select="." mode="header"/></td>
 429             </tr>
 430
 431             <tr>
 432               <td width="{$toc.width}" valign="top" align="left">
 433                 <xsl:if test="$toc.bg.color != ''">
 434                   <xsl:attribute name="bgcolor">
 435                     <xsl:value-of select="$toc.bg.color"/>
 436                   </xsl:attribute>
 437                 </xsl:if>
 438
 439                 <xsl:call-template name="vertical-navigation">
 440                   <xsl:with-param name="last" select="$lastfoil"/>
 441                   <xsl:with-param name="prev" select="$prevfoil"/>
 442                   <xsl:with-param name="next" select="$nextfoil"/>
 443                 </xsl:call-template>
 444
 445               </td>
 446               <td valign="top" align="left">
 447                 <xsl:if test="$body.bg.color != ''">
 448                   <xsl:attribute name="bgcolor">
 449                     <xsl:value-of select="$body.bg.color"/>
 450                   </xsl:attribute>
 451                 </xsl:if>
 452
 453                 <div class="{name(.)}">
 454                   <xsl:apply-templates/>
 455                 </div>
 456               </td>
 457             </tr>
 458
 459             <tr>
 460               <td>&#160;</td>
 461               <td><xsl:apply-templates select="." mode="footer"/></td>
 462             </tr>
 463           </table>
 464         </body>
 465       </html>
 466     </xsl:with-param>
 467   </xsl:call-template>
 468 </xsl:template>
 469
 470 <!-- ============================================================ -->
 471
 472 <xsl:template match="slidesinfo" mode="header">
 473   <div class="navhead">
 474     <!-- nop -->
 475   </div>
 476 </xsl:template>
 477
 478 <xsl:template match="foil|foilgroup" mode="header">
 479   <div class="navhead">
 480     <table border="0" width="100%" summary="Header table"
 481            cellpadding="0" cellspacing="0">
 482       <tr>
 483         <td align="left">
 484           <xsl:apply-templates select="/slides/slidesinfo/title"
 485                                mode="slide.footer.mode"/>
 486         </td>
 487         <td align="right">
 488           <xsl:value-of select="count(preceding::foil)
 489                                 + count(preceding::foilgroup)
 490                                 + count(ancestor::foilgroup)
 491                                 + 1"/>
 492         </td>
 493       </tr>
 494     </table>
 495   </div>
 496 </xsl:template>
 497
 498 <xsl:template match="slidesinfo" mode="footer">
 499   <div class="navfoot">
 500     <!-- nop -->
 501   </div>
 502 </xsl:template>
 503
 504 <xsl:template match="foil|foilgroup" mode="footer">
 505   <div class="navfoot">
 506     <table border="0" width="100%" summary="Header table"
 507            cellpadding="0" cellspacing="0">
 508       <tr>
 509         <td align="center">
 510           <xsl:text>Slide </xsl:text>
 511           <xsl:value-of select="count(preceding::foil)
 512                                 + count(preceding::foilgroup)
 513                                 + count(ancestor::foilgroup)
 514                                 + 1"/>
 515           <xsl:text> of </xsl:text>
 516           <xsl:value-of select="count(//foil) + count(//foilgroup)"/>
 517         </td>
 518       </tr>
 519     </table>
 520   </div>
 521 </xsl:template>
 522
 523 <xsl:template match="slides" mode="footer"/>
 524
 525 <!-- ============================================================ -->
 526
 527 <xsl:template name="vertical-navigation">
 528   <xsl:param name="first" select="/slides"/>
 529   <xsl:param name="prev"/>
 530   <xsl:param name="last"/>
 531   <xsl:param name="next"/>
 532   <xsl:param name="tocfile" select="$toc.html"/>
 533
 534   <div class="vnav">
 535     <xsl:choose>
 536       <xsl:when test="$first">
 537         <a>
 538           <xsl:attribute name="href">
 539             <xsl:apply-templates select="$first" mode="filename"/>
 540           </xsl:attribute>
 541           <img border="0" alt="First">
 542             <xsl:attribute name="src">
 543               <xsl:call-template name="graphics-file">
 544                 <xsl:with-param name="image" select="$but-rewind.png"/>
 545               </xsl:call-template>
 546             </xsl:attribute>
 547           </img>
 548         </a>
 549       </xsl:when>
 550       <xsl:otherwise>
 551         <img alt="First">
 552           <xsl:attribute name="src">
 553             <xsl:call-template name="graphics-file">
 554               <xsl:with-param name="image" select="$but-xrewind.png"/>
 555             </xsl:call-template>
 556           </xsl:attribute>
 557         </img>
 558       </xsl:otherwise>
 559     </xsl:choose>
 560     <br/>
 561     <xsl:choose>
 562       <xsl:when test="$prev">
 563         <a>
 564           <xsl:attribute name="href">
 565             <xsl:apply-templates select="$prev" mode="filename"/>
 566           </xsl:attribute>
 567           <img border="0" alt="Previous">
 568             <xsl:attribute name="src">
 569               <xsl:call-template name="graphics-file">
 570                 <xsl:with-param name="image" select="$but-prev.png"/>
 571               </xsl:call-template>
 572             </xsl:attribute>
 573           </img>
 574         </a>
 575       </xsl:when>
 576       <xsl:otherwise>
 577         <img alt="Previous">
 578           <xsl:attribute name="src">
 579             <xsl:call-template name="graphics-file">
 580               <xsl:with-param name="image" select="$but-xprev.png"/>
 581             </xsl:call-template>
 582           </xsl:attribute>
 583         </img>
 584       </xsl:otherwise>
 585     </xsl:choose>
 586     <br/>
 587     <xsl:choose>
 588       <xsl:when test="$next">
 589         <a>
 590           <xsl:attribute name="href">
 591             <xsl:apply-templates select="$next" mode="filename"/>
 592           </xsl:attribute>
 593           <img border="0" alt="Last">
 594             <xsl:attribute name="src">
 595               <xsl:call-template name="graphics-file">
 596                 <xsl:with-param name="image" select="$but-next.png"/>
 597               </xsl:call-template>
 598             </xsl:attribute>
 599           </img>
 600         </a>
 601       </xsl:when>
 602       <xsl:otherwise>
 603         <img alt="Last">
 604           <xsl:attribute name="src">
 605             <xsl:call-template name="graphics-file">
 606               <xsl:with-param name="image" select="$but-xnext.png"/>
 607             </xsl:call-template>
 608           </xsl:attribute>
 609         </img>
 610       </xsl:otherwise>
 611     </xsl:choose>
 612     <br/>
 613     <xsl:choose>
 614       <xsl:when test="$last">
 615         <a>
 616           <xsl:attribute name="href">
 617             <xsl:apply-templates select="$last" mode="filename"/>
 618           </xsl:attribute>
 619           <img border="0" alt="Next">
 620             <xsl:attribute name="src">
 621               <xsl:call-template name="graphics-file">
 622                 <xsl:with-param name="image" select="$but-fforward.png"/>
 623               </xsl:call-template>
 624             </xsl:attribute>
 625           </img>
 626         </a>
 627       </xsl:when>
 628       <xsl:otherwise>
 629         <img alt="Next">
 630           <xsl:attribute name="src">
 631             <xsl:call-template name="graphics-file">
 632               <xsl:with-param name="image" select="$but-xfforward.png"/>
 633             </xsl:call-template>
 634           </xsl:attribute>
 635         </img>
 636       </xsl:otherwise>
 637     </xsl:choose>
 638
 639     <br/>
 640     <br/>
 641
 642     <xsl:choose>
 643       <xsl:when test="$tocfile != ''">
 644         <a href="{$tocfile}">
 645           <img border="0" alt="ToC">
 646             <xsl:attribute name="src">
 647               <xsl:call-template name="graphics-file">
 648                 <xsl:with-param name="image" select="$but-info.png"/>
 649               </xsl:call-template>
 650             </xsl:attribute>
 651           </img>
 652         </a>
 653       </xsl:when>
 654       <xsl:otherwise>
 655         <img border="0" alt="ToC">
 656           <xsl:attribute name="src">
 657             <xsl:call-template name="graphics-file">
 658               <xsl:with-param name="image" select="$but-xinfo.png"/>
 659             </xsl:call-template>
 660           </xsl:attribute>
 661         </img>
 662       </xsl:otherwise>
 663     </xsl:choose>
 664   </div>
 665 </xsl:template>
 666
 667 </xsl:stylesheet>