* IE 6 does not support position: fixed
* Other versions of IE (7,8,9) don't support position: fixed in quirks mode when you missing Doctype.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
* Other versions of IE (7,8,9) don't support position: fixed in quirks mode when you missing Doctype.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">