/**
 * 格式化yyyy-MM-DD HH:MM:SS
 */
Date.prototype.toYYYYMMDDHHMMSS = function() {
	var mouth=this.getMonth() + 1<10?'0'+(this.getMonth() + 1):(this.getMonth() + 1);
	var day=this.getDate()<10?'0'+this.getDate():this.getDate();
	
    return this.getFullYear() + "-" + mouth + "-" + day + " " + this.getHours() + ":" + this.getMinutes() + ":" + this.getSeconds() ;
};
/**
 * 格式化yyyy-MM-DD
 */
Date.prototype.toYYYYMMDD = function() {
	var mouth=this.getMonth() + 1<10?'0'+(this.getMonth() + 1):(this.getMonth() + 1);
	var day=this.getDate()<10?'0'+this.getDate():this.getDate();
	
    return this.getFullYear() + "-" + mouth + "-" + day;
};
/**
 * 格式化你想要的格式
 */
Date.prototype.format = function(format) {   
   var o = {
     "M+" : this.getMonth()+1, // month
     "d+" : this.getDate(),    // day
     "h+" : this.getHours(),   // hour
     "m+" : this.getMinutes(), // minute
     "s+" : this.getSeconds(), // second
     "q+" : Math.floor((this.getMonth()+3)/3), // quarter
     "S" : this.getMilliseconds() // millisecond
   }   
   if(/(y+)/.test(format)) format=format.replace(RegExp.$1,   
     (this.getFullYear()+"").substr(4 - RegExp.$1.length));   
   for(var k in o)if(new RegExp("("+ k +")").test(format))   
     format = format.replace(RegExp.$1,   
       RegExp.$1.length==1 ? o[k] :    
         ("00"+ o[k]).substr((""+ o[k]).length));   
   return format;   
}