/** 
 * transform the Date to String according the format pattern
 * eg: 
 * (new Date()).format("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423 
 * (new Date()).format("yyyy-M-d h:m:s.S") ==> 2006-7-2 8:9:4.18 
 */  
Date.prototype.format = function(fmt) {
	var o = {
	"M+" : this.getMonth() + 1, 
	"d+" : this.getDate(), 
	"h+" : this.getHours() % 12 == 0 ? 12 : this.getHours()%12, 
	"H+" : this.getHours(), 
	"m+" : this.getMinutes(), 
	"s+" : this.getSeconds(), 
	"q+" : Math.floor((this.getMonth()+3)/3), 
	"S" : this.getMilliseconds() 
	};
	var week = {
	"0" : "\u65e5",
	"1" : "\u4e00",
	"2" : "\u4e8c",
	"3" : "\u4e09",
	"4" : "\u56db",
	"5" : "\u4e94",
	"6" : "\u516d"
	};
	if(/(y+)/.test(fmt)){
		fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length));
	}
	if(/(E+)/.test(fmt)){
		fmt=fmt.replace(RegExp.$1, ((RegExp.$1.length>1) ? (RegExp.$1.length>2 ? "\u661f\u671f" : "\u5468") : "")+week[this.getDay()+""]);
	}
	for(var k in o){
		if(new RegExp("("+ k +")").test(fmt)){
			fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));
		}
	}
	return fmt;
}

/** 
 * transform the date format from "yyyy-MM-dd hh:mm:ss" to "MM/dd/yyyy"
 */  
function transformDateString(dateStr) {
	 if(  dateStr == null  ) return null;
	 if(  dateStr == ""  ) return "";
	 var date = new Date(Date.parse(dateStr.replace(/-/g,   "/"))); 
	 return date.format("MM/dd/yyyy"); 
}

/** 
 * transform the date format from "yyyy-MM-dd hh:mm:ss" to formatString
 */ 
function transformDateFormat(dateStr, formatString){
	if(  dateStr == null  ) return null;
	if(  dateStr == ""  ) return "";
	var date = new Date(Date.parse(dateStr.replace(/-/g,   "/"))); 
	return date.format(formatString); 
}

/** 
 * transform the date format from timestamp format (such as 1229356800000) to "MM/dd/yyyy"
 */  
function localDateFormatted(timestampStr) {
	if (!timestampStr || timestampStr == null) return "NaN";
	
	 var date = new Date(timestampStr);
	 return date.format("MM/dd/yyyy");
}

/***
 * add date picker plugin
 * @param {jquery Object} handleObject
 */
function DatePicker(handleObject){
    handleObject.datepicker({
        changeMonth: true,
        changeYear: true,
        dateFormat: "mm/dd/yy",
        maxDate: '0',
		yearRange:'-100:+100'
    });
}

function transformPriceFormat( str ){
	var str = $.trim( str );
	switch( str.substring(0,1) ){
		case '$':
			return transformQuantityFormat(str.substring(1));
			break;
		default:
			return transformQuantityFormat ( str );
	}
}

function transformQuantityFormat( str,limit ){
//	if ( typeof (limit) == 'undefined' ) limit = 2;
	var str = $.trim( str );
	return parseFloat( str.replace(',', '') );
}