After some years form the creation of my internet site I have decided to correct a little paging problem that i left unresolved for a lot of time (one time it wasn't so important...).
The site is created in xhtml e css and the problem is to equalize the length of the page (pratically the height) for all the browser, to better manage the space for the advertising banner.
I have tried to divide the page in variuos div setting the various heights with height and min-height but I can't make it uniform for a problem of the paypal cart code, I think.
I have tried to insert the central c