I use the following code on my website.

<img src="tee.png" onLoad="alert('Click the image to enter the site.')">
Now my problem is, people who already know how to enter the site are getting annoyed (sp?) of this. My request is that someone put a cookie-maker thingy on this code so that if you have the cookie in your cache, it doesn't pop up.
TIV,
Rafe