skins/common/IEFixes.js

   1 // IE fixes javascript
   2
   3 var isMSIE55 = (window.showModalDialog && window.clipboardData && window.createPopup);
   4
   5 if (document.attachEvent)
   6   document.attachEvent('onreadystatechange', hookit);
   7
   8 function hookit() {
   9     if (document.getElementById && document.getElementById('bodyContent')) {
  10         fixalpha();
  11         relativeforfloats();
  12     }
  13 }
  14
  15 // png alpha transparency fixes
  16 function fixalpha() {
  17     // bg
  18     if (isMSIE55) {
  19         var plogo = document.getElementById('p-logo');
  20         var logoa = plogo.getElementsByTagName('a')[0];
  21         var bg = logoa.currentStyle.backgroundImage;
  22         var imageUrl = bg.substring(5, bg.length-2);
  23
  24         if (imageUrl.substr(imageUrl.length-4).toLowerCase() == '.png') {
  25             var logospan = logoa.appendChild(document.createElement('span'));
  26
  27             logoa.style.backgroundImage = 'none';
  28             logospan.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src='+imageUrl+')';
  29             logospan.style.height = '100%';
  30             logospan.style.position = 'absolute';
  31             logospan.style.width = '100%';
  32             logospan.style.cursor = 'hand';
  33             // Center image with hack for IE5.5
  34             logospan.style.left = '50%';
  35             logospan.style.setExpression('marginLeft', '"-" + (this.offsetWidth / 2) + "px"');
  36         }
  37     }
  38 }
  39
  40 // fix ie6 disappering float bug
  41 function relativeforfloats() {
  42     var bc = document.getElementById('bodyContent');
  43     if (bc) {
  44         var tables = bc.getElementsByTagName('table');
  45         var divs = bc.getElementsByTagName('div');
  46     }
  47     setrelative(tables);
  48     setrelative(divs);
  49 }
  50 function setrelative (nodes) {
  51     var i = 0;
  52     while (i < nodes.length) {
  53         if(((nodes[i].style.float && nodes[i].style.float != ('none') ||
  54         (nodes[i].align && nodes[i].align != ('none'))) &&
  55         (!nodes[i].style.position || nodes[i].style.position != 'relative')))
  56         {
  57             nodes[i].style.position = 'relative';
  58         }
  59         i++;
  60     }
  61 }