var matched, browser;jQuery.uaMatch = function( ua ) {  ua = ua.toLowerCase();  var match = /(chrome)[ //]([/w.]+)/.exec( ua ) ||    /(webkit)[ //]([/w.]+)/.exec( ua ) ||    /(opera)(?:.*version|)[ //]([/w.]+)/.exec( ua ) ||    /(msie) ([/w.]+)/.exec( ua ) ||    ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([/w.]+)|)/.exec( ua ) ||    [];  return {    browser: match[ 1 ] || "",    version: match[ 2 ] || "0"  };};matched = jQuery.uaMatch( navigator.userAgent );browser = {};if ( matched.browser ) {  browser[ matched.browser ] = true;  browser.version = matched.version;}// Chrome is Webkit, but Webkit is also Safari.if ( browser.chrome ) {  browser.webkit = true;} else if ( browser.webkit ) {  browser.safari = true;}jQuery.browser = browser;//下面是直接寫的判斷，上面jq的獲取方法if (matched.browser == 'mozilla') {  $('#Online-message .liuyan').css({'padding-left': '0px','padding-right': '0px'})}