find and replace~

[black]

howdy i am new comer here how nice posting :p

now i am suffering somewhat problem but perhaps very simple to you because i learned js not such long. :p that is, how could i search certain string in one page and if any strings accord to the condition will be colored red, my goal is to make this with pure js and without any SQL or PHP etc. any ideas ?

thanx in advance~

[Digirunt]

have a look at this;
it doesn't highlight the word in red but it's a start.

http://www.dynamicdrive.com/dynamicindex11/findpage.htm