//JavaScript Document
var finalMonth =['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
var finalWeek = ['Mon','Tues','Wed','Thur','Fri','Sat','Sun'];// date : Mon May 11 13:53:08 UTC+0800 2015
/**
*   param  Date对象：Mon May 11 13:53:08 UTC+0800 2015
*   return yyyy-MM-dd
*/
function getTodayFormatea(param){var result = "";if(param==null){param = new Date();}var dateStr = param.toString();var dateArr = dateStr.split(" "); var dateMonth= getMonthNum(dateArr[1]);var dateDay = dateArr[2];var dateYear = dateArr[5];if(dateDay<10){dateDay="0"+dateDay;}if(dateMonth<10){dateMonth="0"+dateMonth;}result = ""+dateYear+"-"+dateMonth+"-"+dateDay;return result;
}
/**
*   param  Date对象：Mon May 11 13:53:08 UTC+0800 2015
*   return yyyy/MM/dd
*/
function getTodayFormate(param){var result = "";if(param==null){param = new Date();}var dateStr = param.toString();var dateArr = dateStr.split(" "); var dateMonth= getMonthNum(dateArr[1]);var dateDay = dateArr[2];var dateYear = dateArr[5];if(dateDay<10){dateDay="0"+dateDay;}if(dateMonth<10){dateMonth="0"+dateMonth;}result = ""+dateYear+"/"+dateMonth+"/"+dateDay;return result;
}
/**
*   param  Date Object：Mon May 11 13:53:08 UTC+0800 2015
*   n 自param 起向后多少天
*   return Date Object：Mon May 11 13:53:08 UTC+0800 2015
*/
function getDateBeforeParamDate(param,n){var result = new Date();if(param==null){param = result;}if(n==null){n=0;}param = new Date(param);millSecond = param.valueOf();millSecond =  millSecond - n*24*3600*1000;result = new Date(millSecond);result = getTodayFormatea(result);return result;
}
/**
*   param  Date对象：Mon May 11 13:53:08 UTC+0800 2015
*   n 自param 向前多少天
*   return Date Object：Mon May 11 13:53:08 UTC+0800 2015
*/
function getDateNextParamDate(param,n){var result = new Date();if(param==null){param = result;}if(n==null){n=0;}param = new Date(param);millSecond = param.valueOf();millSecond = millSecond + n*24*3600*1000;result = new Date(millSecond);result = getTodayFormatea(result);return result;
}
/**
*   根据月份简称获取获取对应的数值
*
*/
function getMonthNum(param){var result = 0;for(var i=1;i<13;i++){if(param==finalMonth[i-1]){result=i;}}return result;
}
/**
*   根据星期简称获取对应的数值
*
*/
function getWeekNum(param){var result = 0;for(var i=1;i<8;i++){if(param == finalWeek[i-1]){result =i;}}return result;
}