Ian Bicking: the old part of his blog

Comment

IE doubles side margins on floats. Generally, if you float, say, a div, you should set display to 'inline':

div#bar {
float: right;
display: inline;
}

...which will fix the right margin for IE without changing Moz, Opera, et al.

http://www.positioniseverything.net/explorer/doubled-margin.html
Comment on Javascript Slideshow
by Robert Brewer