Ah right, as soon as i find out what that means i'll look into it haha
ps i just started the book 'css web design for dummies' but the author clearly works for Microsoft as he endlessly promotoes IE. Anyway, the query arose from chapter one about filters which includes the code
<html><head><style>div.box {width: 300px; height: 200px; padding: 30px; font: 46pt times new roman;}</style></head><body><div class="box" style=" filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=100,FinishOpacity=0, Style=1, StartX=0, FinishX=0, StartY=0,FinishY=100)">Hey...you can modify opacity.</div></body></html>
but it only works for IE and digging around on the internet i couldn't find anything to make it work on firefox, perhaps i was putting it in the wrong place.
Thanks again for your help by the way.