(function($){  
    $.formatDate = function(pattern,date,margin){  
        //如果不设置，默认为当前时间  
        if(!date) date = new Date();  
        if(typeof(date) ==="string"){  
             if(date=="")  date = new Date();  
              else  date = new Date(date.replace(/-/g,"/"));  
        }     
        /*补00*/  
        var toFixedWidth = function(value){  
             var result = 100+value;
             return result.toString().substring(1);  
        };  
          
        /*配置*/  
        var options = {  
                regeExp:/(yyyy|M+|d+|h+|m+|s+|ee+|ws?|p)/g,  
                months: ['January','February','March','April','May',  
                         'June','July', 'August','September',  
                          'October','November','December'],  
                weeks: ['Sunday','Monday','Tuesday',  
                        'Wednesday','Thursday','Friday',  
                            'Saturday']  
        };  
          
        /*时间切换*/  
        var swithHours = function(hours){  
            return hours<12?"AM":"PM";  
        };
          
        /*配置值*/  
        var pattrnValue = {  
                "yyyy":date.getFullYear(),                      //年份  
                "MM":toFixedWidth(date.getMonth()+1),           //月份  
                "dd":toFixedWidth(date.getDate()),              //日期  
                "hh":toFixedWidth(date.getHours() + parseInt(margin*24)),             //小时  
                "mm":toFixedWidth(date.getMinutes()),           //分钟  
                "ss":toFixedWidth(date.getSeconds()),           //秒  
                "ee":options.months[date.getMonth()],           //月份名称  
                "ws":options.weeks[date.getDay()],              //星期名称  
                "M":date.getMonth()+1,  
                "d":date.getDate(),  
                "h":date.getHours() + parseInt(margin*24),  
                "m":date.getMinutes(),  
                "s":date.getSeconds(),  
                "p":swithHours(date.getHours())  
        };  
          
        return pattern.replace(options.regeExp,function(){  
               return  pattrnValue[arguments[0]];  
        });  
    };  
    
	$.baseFormat = function(a,b){
		return $.formatDate("h:mm:ss",new Date((a+57600)*1E3),b);
	};
	$.baseTimer = function(e){
		return new Date(e.replace(/-/g,"/"));
	}
	$.baseTimerDiff = function(o,n){
		var a = $.baseTimer(o);
		var b = $.baseTimer(n);
		return (new Date(a-b).getTime())/1E3;
	};
      
})(jQuery);