In article <5.1.0.14.0.20020404153158.01dea910 / pop3.bip.net>, Liorean <Liorean / user.bip.net> wrote: > Also, I'd like to know how to detect whether a property of an object exists > or not, something of the kind: > if(typeof document.all!='undefined'){/* some action or other... */} an_array = [] if defined?(an_array.push) #do something here end or... if x = defined? an_array.push p x end prints out "method"