isIE = ua.indexOf("msie") > -1,
isIE7 = ua.indexOf("msie 7") > -1,
isIE11 = /trident.*rv\:11\./.test(ua),
+ isEdge = ua.indexOf("edge/") > -1,
isGecko = !isSafari && ua.indexOf("gecko") > -1,
isBorderBox = isIE && !isStrict,
isWindows = (ua.indexOf("windows") != -1 || ua.indexOf("win32") != -1),
var cls = [
Roo.isIE ? "roo-ie"
: Roo.isIE11 ? "roo-ie11"
+ : Roo.isEdge ? "roo-edge"
: Roo.isGecko ? "roo-gecko"
: Roo.isOpera ? "roo-opera"
: Roo.isSafari ? "roo-safari" : ""];