Richard Hulse said: > The XHTML spec says that attributes must be lower case. > > http://www.w3.org/TR/xhtml1/#h-4.2 > > I presume this means CSS classes and IDs ? Yes. *class* and *id* are correct. *CLASS* and *ID* are not. The attribute values, however, can be mixed case. So "class=containingBlock" is OK, AFAIK. ---------- Randal Rust Covansys Corp. Columbus, OH