var isStrict = document.compatMode == "CSS1Compat",
isOpera = ua.indexOf("opera") > -1,
isSafari = (/webkit|khtml/).test(ua),
var isStrict = document.compatMode == "CSS1Compat",
isOpera = ua.indexOf("opera") > -1,
isSafari = (/webkit|khtml/).test(ua),
isIE = ua.indexOf("msie") > -1,
isIE7 = ua.indexOf("msie 7") > -1,
isGecko = !isSafari && ua.indexOf("gecko") > -1,
isIE = ua.indexOf("msie") > -1,
isIE7 = ua.indexOf("msie 7") > -1,
isGecko = !isSafari && ua.indexOf("gecko") > -1,