Hi, I found a bug with jQuery version 1.2. It concerns the following error generated by Firebug in Firefox when a iframe is present in a page.
document.defaultView.getComputedStyle(elem, null) has no properties I solved it by replacing the following code with the code pasted underneath. old: (line 729) ret = prop == "display" && swap[stack.length-1] != null ? "none" : document.defaultView.getComputedStyle(elem,null).getPropertyValue(prop) || ""; new: ret = prop == "display" && swap[stack.length-1] != null ? "none" : (document.defaultView.getComputedStyle(elem,null)) ? document.defaultView.getComputedStyle(elem,null).getPropertyValue(prop) : ""; Can I report this bug somewhere @ jQuery's website?