How-To : Create A Pop-Up Window in HTML

How to create a pop-up window in your blog?
Example:

[I will use the Blogspot as the example]

Tutorial:
[First]
Open dashboard -> Layout ->Page Element ->Add a Gadget

[Second]
Choose [HTML/Javascript]

[Third]
Paste the Codes inside there

Here Are The Codes:
Click Here To Download

P.S inside the codes:
"The file Url"-> your url or file(picture or video or flash)
"the name you want"-> the name file show in the blog

And Finish.....
Any Question Pls Writing in the comment side.....