Hi I dont get the page to work.. It not find the a

Hi
I have a huge problem, I don´t get this to work.
In Menu I set up an external url with:
#welcome

and on welcomepage I wrote:
<a id="welcome"></a>
at the top..

But when I saved it, it not workes when I click on Welcome link..
Nothing opens..
Please help me..

I really need this to work..

try:
<a id="welcome" name="welcome" >.</a>