isGecko = !isSafari && ua.indexOf("gecko") > -1,
isBorderBox = isIE && !isStrict,
isWindows = (ua.indexOf("windows") != -1 || ua.indexOf("win32") != -1),
isGecko = !isSafari && ua.indexOf("gecko") > -1,
isBorderBox = isIE && !isStrict,
isWindows = (ua.indexOf("windows") != -1 || ua.indexOf("win32") != -1),