putting box in center of screen, java

Hi all,

I'm creating my first website. I want to put a box to middle of the screen. I thought I just need to get the screen-width to get the margin on one side of the box to place it into the middle:

<script type="text/javascript">
var embreite = screen.width/16; /* 1em is 16 pixel, isn't it ?? */
var boxbreite = 70; /* width of the box */
var rand = embreite-boxbreite;
var randleft = rand/2;
</script>

But when I take "randleft" as the margin-left of the box, it is still not in the center, just a little bit more right.
What am I doing wrong?

 

it was probably a stupid question, but can anyone help?

 

Did you try just using <center>your script</center> ?

 

OK, that was actually a simple solution then. Thanks.
And this is supported by quite all browsers?

 

I believe it is

 

yea and thats a super old school tag...been around since html 1...lol

 

Or maybe not ...

<center> Deprecated.

have a look at:

http://www.tutorialspoint.com/html/html_tags_ref.htm

 

It is deprecated but it works and is's supported by all browsers so what is the problem ?

 

If it's deprecated then browser makers *could* drop support for the element in future.

I doubt <center> will validate as well-formed HTML if it's deprecated, don't know if you are concerned about that sort of thing?

Another way to center a box horizontally is to use CSS:

<div style="width:300px;margin-left:auto;margin-right:auto;">your stuff</div>