get url parameter (by specific para name)

get url parameter (For example if the current URL is "...?delete=1&id=testid" then calling getURLParam("id") will return "testid")

http://mattwhite.me/11tmr.nsf/D6Plinks/MWHE-695L9Z

Bookmaklet overlay javascript

Bookmarklet overlay javascript means put the javascrit into Browser Bookmark which let any website to call that javascript and overlay the current load page.
(Google it if u want to know more)

How to detect iPhone/iPad user coming to my site

See -> Miki's comment, Haven't tried it yet. but it works hopefully!

http://www.askdavetaylor.com/detect_apple_iphone_user_web_site_server.html