return ("scrollTo" in elem && elem.document) ? // does it walk and quack like a window?
// Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
elem.document.compatMode === "CSS1Compat" && elem.document.documentElement[ "client" + name ] ||
return ("scrollTo" in elem && elem.document) ? // does it walk and quack like a window?
// Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
elem.document.compatMode === "CSS1Compat" && elem.document.documentElement[ "client" + name ] ||