mod/hotpot/iframe.js

   1 <!--
   2 function domSniffer() {
   3         var t = true;
   4         var s = navigator.userAgent;
   5         if (s.indexOf("Mac") >=0) this.mac = t;
   6         if (s.indexOf("Opera") >=0) this.opera = t;
   7         var d = document;
   8         if (d.layers) this.n4 = t;
   9         if (d.childNodes) this.dom = t;
  10         if (d.all && d.plugins) this.ie = t;
  11 }
  12 function getContentH(lyr) {
  13         return (is.n4) ? lyr.document.height : (is.ie) ? (is.mac ? lyr.offsetHeight : lyr.scrollHeight) : (is.opera) ? lyr.style.pixelHeight : (is.dom) ? lyr.offsetHeight : 0;
  14 }
  15 function px(i) {
  16         return i + "px";
  17 }
  18 function setSize(obj, w, h) {
  19         if (is.n4) {
  20                 if (w) obj.width = w;
  21                 if (h) obj.height = h;
  22         } else if (is.opera) {
  23                 // opera 5 needs pixelWidth/Height
  24                 if (w) obj.style.pixelWidth = w;
  25                 if (h) obj.style.pixelHeight = h;
  26         } else {
  27                 if (w) obj.style.width = px(w);
  28                 if (h) obj.style.height = px(h);
  29         }
  30 }
  31 function getElement(id, lyr) {
  32         var d = (document.layers && lyr) ? lyr.document : document;
  33         var obj = (document.layers) ? eval("d."+id) : (d.all) ? d.all[id] : (d.getElementById) ? d.getElementById(id) : null;
  34         return obj;
  35 }
  36 is = new domSniffer();
  37 function set_iframe_height(id) {
  38         var iframe = getElement(id);
  39         if (iframe) {
  40                 var obj = iframe.document || iframe.contentDocument || null; // IE || FireFox
  41                 if (obj) {
  42                         if (obj.body) {
  43                                 obj = obj.body;
  44                         }
  45                         var h = getContentH(obj);
  46                         if (h) {
  47                                 setSize(iframe, 0, h);
  48                         }
  49                 }
  50         }
  51 }
  52 //-->