2 function domSniffer() {
4 var s = navigator.userAgent;
5 if (s.indexOf("Mac") >=0) this.mac = t;
6 if (s.indexOf("Opera") >=0) this.opera = t;
8 if (d.layers) this.n4 = t;
9 if (d.childNodes) this.dom = t;
10 if (d.all && d.plugins) this.ie = t;
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;
18 function setSize(obj, w, h) {
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;
27 if (w) obj.style.width = px(w);
28 if (h) obj.style.height = px(h);
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;
36 is = new domSniffer();
37 function set_iframe_height(id) {
38 var iframe = getElement(id);
40 var obj = iframe.document || iframe.contentDocument || null; // IE || FireFox
45 var h = getContentH(obj);
47 setSize(iframe, 0, h);