varmatched, browser;
jQuery.uaMatch =function( ua ) {
 ua = ua.toLowerCase();
 varmatch = /(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;
}elseif( 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'})
}