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File:  [LON-CAPA] / loncom / html / adm / jsMath / jsMath-loader.html
Revision 1.1: download - view: text, annotated - select for diffs
Mon Mar 27 19:32:07 2006 UTC (18 years, 4 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
-jsMath 3.2

    1: <html>
    2: <head>
    3: <!--
    4:  | jsMath-loader.html
    5:  |
    6:  | Part of the jsMath package for mathematics on the web.
    7:  | 
    8:  | This file is used for jsMath components when the browser doesn't
    9:  | handle the XmlHttpRequest function, or when they must be obtained
   10:  | from a server other than the one server the page that is using jsMath.
   11:  | 
   12:  | ---------------------------------------------------------------------
   13:  | 
   14:  | Copyright 2004-2006 by Davide P. Cervone
   15:  |
   16:  | Licensed under the Apache License, Version 2.0 (the "License");
   17:  | you may not use this file except in compliance with the License.
   18:  | You may obtain a copy of the License at
   19:  |
   20:  |     http://www.apache.org/licenses/LICENSE-2.0
   21:  |
   22:  | Unless required by applicable law or agreed to in writing, software
   23:  | distributed under the License is distributed on an "AS IS" BASIS,
   24:  | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   25:  | See the License for the specific language governing permissions and
   26:  | limitations under the License.
   27: -->
   28: </head>
   29: <body>
   30: 
   31: <script>
   32: var showWarning = 0;
   33: while (!window.jsMath && !showWarning) {
   34:   try {
   35:     window.jsMath = window.parent.jsMath;
   36:     if (!window.jsMath) {throw "no jsMath";}
   37:   } catch (err) {
   38:     showWarning = 1;
   39:     //
   40:     // MSIE on Mac can't change document.domain, and 'try' won't
   41:     //   catch the error (Grrr!) so don't even try for it
   42:     //
   43:     if (document.domain.match(/\..*\./) &&
   44:         (navigator.appName != 'Microsoft Internet Explorer' ||
   45:          navigator.platform != 'MacPPC' || !navigator.userProfile || !document.all)) {
   46:       try {
   47:         document.domain = document.domain.replace(/^[^.]*\./,'');
   48:         showWarning = 0;
   49:       } catch(err) {}
   50:     }
   51:   }
   52: }
   53: 
   54: function Warning () {
   55:   alert(
   56:     "jsMath can't load one of its required components, because jsMath " +
   57:     "was not obtained from a server that is in the same domain as the " +
   58:     "page that loaded it."
   59:   );
   60: }
   61: 
   62: if (showWarning) {setTimeout("Warning()",1)} else {
   63:   debug = window.parent.debug; show = window.parent.show;
   64:   jsMath.Script.window = window; url = jsMath.Script.url;
   65:   document.write('<script src="'+url+'"><'+'/script>');
   66: }
   67: </script>
   68: 
   69: <script>
   70: if (window.jsMath) {
   71:   if (document.readyState == 'loading') {
   72:     // work around bug in OmniWeb 4.5 that would otherwise run this twice.
   73:     setTimeout("jsMath.Script.endLoad();",1)
   74:   } else {
   75:     jsMath.Script.endLoad();
   76:   }
   77: }
   78: </script>
   79: 
   80: </body>
   81: </html>
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