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 ] ||
elem.document.body[ "client" + name ] :
// Get document width or height
(elem.nodeType === 9) ? // is it a document
// Either scroll[Width/Height] or offset[Width/Height], whichever is greater
Math.max(
elem.documentElement["client" + name],
/*
elem.body["scroll" + name],*/ elem.documentElement["scroll" + name],
/*
elem.body["offset" + name],*/ elem.documentElement["offset" + name]
) :
// Get or set width or height on the element
size === undefined ?
// Get width or height on the element
jQuery.css( elem, type ) :
// Set the width or height on the element (default to pixels if value is unitless)
this.css( type, typeof size === "string" ? size : size + "px" );
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