err.no Git - scalable-opengroupware.org/blob - UI/WebServerResources/fastinit.js

   1 /*\r
   2 *\r
   3 * Copyright (c) 2007 Andrew Tetlaw\r
   4 * \r
   5 * Permission is hereby granted, free of charge, to any person\r
   6 * obtaining a copy of this software and associated documentation\r
   7 * files (the "Software"), to deal in the Software without\r
   8 * restriction, including without limitation the rights to use, copy,\r
   9 * modify, merge, publish, distribute, sublicense, and/or sell copies\r
  10 * of the Software, and to permit persons to whom the Software is\r
  11 * furnished to do so, subject to the following conditions:\r
  12 * \r
  13 * The above copyright notice and this permission notice shall be\r
  14 * included in all copies or substantial portions of the Software.\r
  15 * \r
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\r
  20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\r
  21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
  22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\r
  23 * SOFTWARE.\r
  24 * * \r
  25 *\r
  26 *\r
  27 * FastInit\r
  28 * http://tetlaw.id.au/view/javascript/fastinit\r
  29 * Andrew Tetlaw\r
  30 * Version 1.4.1 (2007-03-15)\r
  31 * Based on:\r
  32 * http://dean.edwards.name/weblog/2006/03/faster\r
  33 * http://dean.edwards.name/weblog/2006/06/again/\r
  34 * Help from:\r
  35 * http://www.cherny.com/webdev/26/domloaded-object-literal-updated\r
  36 * \r
  37 */\r
  38 var FastInit = {\r
  39         onload : function() {\r
  40                 if (FastInit.done) { return; }\r
  41                 FastInit.done = true;\r
  42                 for(var x = 0, al = FastInit.f.length; x < al; x++) {\r
  43                         FastInit.f[x]();\r
  44                 }\r
  45         },\r
  46         addOnLoad : function() {\r
  47                 var a = arguments;\r
  48                 for(var x = 0, al = a.length; x < al; x++) {\r
  49                         if(typeof a[x] === 'function') {\r
  50                                 if (FastInit.done ) {\r
  51                                         a[x]();\r
  52                                 } else {\r
  53                                         FastInit.f.push(a[x]);\r
  54                                 }\r
  55                         }\r
  56                 }\r
  57         },\r
  58         listen : function() {\r
  59                 if (/WebKit|khtml/i.test(navigator.userAgent)) {\r
  60                         FastInit.timer = setInterval(function() {\r
  61                                 if (/loaded|complete/.test(document.readyState)) {\r
  62                                         clearInterval(FastInit.timer);\r
  63                                         delete FastInit.timer;\r
  64                                         FastInit.onload();\r
  65                                 }}, 10);\r
  66                 } else if (document.addEventListener) {\r
  67                         document.addEventListener('DOMContentLoaded', FastInit.onload, false);\r
  68                 } else if(!FastInit.iew32) {\r
  69                         if(window.addEventListener) {\r
  70                                 window.addEventListener('load', FastInit.onload, false);\r
  71                         } else if (window.attachEvent) {\r
  72                                 return window.attachEvent('onload', FastInit.onload);\r
  73                         }\r
  74                 }\r
  75         },\r
  76         f:[],done:false,timer:null,iew32:false\r
  77 };\r
  78 /*@cc_on @*/\r
  79 /*@if (@_win32)\r
  80 FastInit.iew32 = true;\r
  81 document.write('<script id="__ie_onload" defer src="' + ((location.protocol == 'https:') ? '//0' : 'javascript:void(0)') + '"><\/script>');\r
  82 document.getElementById('__ie_onload').onreadystatechange = function(){if (this.readyState == 'complete') { FastInit.onload(); }};\r
  83 /*@end @*/\r
  84 FastInit.listen();\r