/*
 * 檢查是否為日期(民國年西元年格式皆可)
 * 2009以後皆使用此function
 */
function isDate(str){
	var dStr = trim(str);
	if( isNum(dStr) && dStr.length == 8 ){
		year = parseFloat(dStr.substring(0, 4));
		month = parseFloat(dStr.substring(4, 6));
		day = parseFloat(dStr.substring(6, 8));
		
		if( year < 1 || month < 1 || month > 12 || day < 1 ){
			return false;
		}
		if( ( month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12 ) && day > 31 ){
			return false;
		}
		if( ( month == 2 || month == 4 || month == 6 || month == 9 || month == 11 ) && day > 30 ){
			return false;
		}
		if( month == 2 ){
			if( ( ( year % 4 ) == 0 ) && ( day > 29 ) ){
				return false;
			}
			else if( ( year % 4 != 0 ) && ( day > 28 ) ){
				return false;
			}
		}
		return true;
	}
	//add by DavidYun 2009-01-16 增加檢查民國年(0980116)
	else if(isNum(dStr) && dStr.length == 7){
		year = parseFloat(dStr.substring(0,3));
		year = year + 1911;
		month = parseFloat(dStr.substring(3, 5));
		day = parseFloat(dStr.substring(5, 7));
		
		if( year < 1 || month < 1 || month > 12 || day < 1 ){
			return false;
		}
		if( ( month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12 ) && day > 31 ){
			return false;
		}
		if( ( month == 2 || month == 4 || month == 6 || month == 9 || month == 11 ) && day > 30 ){
			return false;
		}
		if( month == 2 ){
			if( ( ( year % 4 ) == 0 ) && ( day > 29 ) ){
				return false;
			}
			else if( ( year % 4 != 0 ) && ( day > 28 ) ){
				return false;
			}
		}
		return true;
	}
	else
		return false;
}
/*
 * Wells提供檢查是否為數字的function 2009-01-13
 * 是否為整數, 有傳入len,表示數字長度, eqFlag=y, 表示長度需等於len，其它則為<=len
 */
function isNum(str, len, eqFlag) {

    var re = /^\d*$/;

    if(len != null && re.test(len)) {
        if(eqFlag != null && eqFlag == "y")
            return (str.length == len && re.test(str));
        else
            return (str.length <= len && re.test(str));
    }
    else
        return re.test(str);

}

/* 
 * 是否為英,數字,空白,str:待測字串(len:文字長度限制,eqFlag:y,表示長度需等於len，其它則為<=len)
 * str為必傳欄位,括號內為非必傳參數
 * 2009以後檢查英數字皆用此chkStr
 */
function chkStr(str, len, eqFlag) {

    var re = /^[a-zA-Z0-9 ]*$/;

    if(len != null && isNum(len)) {
        if(eqFlag != null && eqFlag == "y")
            return (str.length == len && re.test(str));
        else
            return (str.length <= len && re.test(str));
    }
    else
        return re.test(str);
}
/*
 * 轉換日期為西元年 add by DavidYun 2009-01-16
 * 2009以後皆使用此function
 */
function transDateToAD(date){
	var year;
	var rest;
	if(date.length == 7){
		year = parseFloat(date.substring(0,3)) + 1911;
		rest = date.substring(3,7);
	}
	else if(date.length == 8){
		year = date.substring(0,4);
		rest = date.substring(4,8);
	}
	else{
		alert("合法日期格式為yyyymmdd or yyymmdd!");
	}
	return year + "" + rest;
}
/*
 * Modify from checkDateGap
 * Mark by DavidYun 2008-04-04
 * 2009以後皆使用此function
 * 檢查日期區間是否大於validGap(=7)西元年與民國年皆適用
 * @param date1 欲比較之日期1
 * @param date2 欲比較之日期2
 */
function checkDateGapBothFormat(date1, date2) 
{
	MINI_SECORD_TO_DAY = 60 * 60 * 24 * 1000;
	var validGap = 7;

	if(date1.length == 7 && date2.length == 7){
		yy1 = date1.substring(0,3);
		mm1 = date1.substring(3,5);
		dd1 = date1.substring(5,7);

		yy2 = date2.substring(0,3);
		mm2 = date2.substring(3,5);
		dd2 = date2.substring(5,7);

		newdate1 = new Date(eval(yy1)+1911,eval(mm1-1),eval(dd1));
		newdate2 = new Date(eval(yy2)+1911,eval(mm2-1),eval(dd2));
	}
	else if(date1.length == 8 && date2.length == 8){
		yy1 = date1.substring(0,4);
		mm1 = date1.substring(4,6);
		dd1 = date1.substring(6,8);

		yy2 = date2.substring(0,4);
		mm2 = date2.substring(4,6);
		dd2 = date2.substring(6,8);

		newdate1 = new Date(eval(yy1),eval(mm1-1),eval(dd1));
		newdate2 = new Date(eval(yy2),eval(mm2-1),eval(dd2));
	}
	else{
		alert("起迄日期格式必須相同!");
		return false;
	}
	range_days = (newdate2-newdate1)/MINI_SECORD_TO_DAY;
	//alert(range_days);

	if( range_days < 0 ){
		alert("迄日小於起日!!");
		return false;
	}else if ( range_days > validGap ){
		alert("起迄日期區間不可大於"+validGap+"天");
		return false;		
	}else{
		return true;
	}
}

/*
 * Mark by DavidYun 2008-04-04
 * @param dateStr 為西元年之日期格式
 * dateStr.substring(0,4) year
 * dateStr.substring(4,6) month
 * dateStr.substring(6,8) day
 */
//======日期判斷=================================================
function fnValidDate(dateStr)
{
    var leap = 28;
    if (leapYear(parseInt(dateStr.substring(0,4))) == 1)
        leap = 29;
    var tmp = parseInt(dateStr.substring(4,6))    
    if (dateStr.substring(4,6) == '08')
        tmp = 8;
    if (dateStr.substring(4,6) == '09')
        tmp = 9
    
    if (tmp < 1 || tmp > 12)
    {
        return (false)
    }

    var monthTable = new Array(12);
    monthTable[1] = 31;
    monthTable[2] = leap;
    monthTable[3] = 31;
    monthTable[4] = 30;
    monthTable[5] = 31;
    monthTable[6] = 30;
    monthTable[7] = 31;
    monthTable[8] = 31;
    monthTable[9] = 30;
    monthTable[10] = 31;
    monthTable[11] = 30;
    monthTable[12] = 31;

    var dtmp = parseInt(dateStr.substring(6))    
    if(dateStr.substring(6) == '08')
        dtmp = 8;
    if(dateStr.substring(6) == '09')
        dtmp = 9

    if(dtmp < 1 || dtmp > monthTable[tmp])
    {
        return (false)
    }
    return (true)
}
//======閏年判斷==================================================================
function leapYear (Year)
{
    if (((Year % 4)==0) && ((Year % 100)!=0) || ((Year % 400)==0))
        return (1);
    else
	return (0);
}
//=======刪除千分號=================================================================
function changeVal(T1)
{
    pos=0
    var oring=T1.value;
    pos=oring.indexOf(",");

    while (pos !=-1)
    {
        oring=(oring).replace(",","");
        pos=oring.indexOf(",");
    }   

    return oring;
}

//=======加上千分號=========================================================
function changeStr(T1)
{
    c="";
    var oring = T1.value
    var t1v1  = T1.value
    var t1v2  = "";
   //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    
    if (isNaN(Math.abs(T1.value))) 
    {
   	    alert("請輸入數字");
   	    return oring;
    }else{	
        if (eval(T1.value) < 0 ) 
            c="-";
    }   	
    
    if(T1.value.length == 0)
        return oring;
    if(Math.abs(T1.value) == 0)
        return oring;
        
    T1.value= Math.abs(T1.value);    
    t1v1  = T1.value
    
    if((pos=t1v1.indexOf(".")) != -1) 
    {
        t1v2 = t1v1.substring(pos,((T1.value).length));
        t1v1 = t1v1.substring(0,pos);
    }
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  
    pos=oring.indexOf(",")
    if (pos==-1) 
    { 
        var len   = t1v1.length;
        a=Math.floor(len % 3)
        b=Math.floor(len / 3 -1)
        if(a !=0 && b >= 0)        
            oring = t1v1.substring(0,a) + ",";
        else if(b<0)
                oring = t1v1
             else 
                oring = "";
        for(i=0;i<b;i++)
        {
            oring += t1v1.substring(a,a+3) + ",";
            a += 3;
        } // end of for
    
        oring += t1v1.substring(a,len);
    
        if (c == "-" ) 
        {
            oring="-"+oring;
        }	
        if(t1v2 != "")
            oring += t1v2;
    
        return oring
     }
}

//======消除字串中的空白與斷行等…===============================================
function trimString(inString) 
{
	var outString;
	var startPos;
	var endPos;
	var ch;

	// where do we start?
	startPos = 0;
	test = 0;
	ch = inString.charAt(startPos);
	while ((ch == " ") || (ch == "\b") || (ch == "\f") || (ch == "\n") || (ch == "\r") || (ch == "\n")) {
		startPos++;
		if ( ch==" " ) {
			test++;
		}	
		ch = inString.charAt(startPos);
	}
     if  ( test==inString.length ) 
     	flag = true;
     else
     	flag = false;
	endPos = inString.length - 1;
	ch = inString.charAt(endPos);
	while ((ch == " ") || (ch == "\b") || (ch == "\f") || (ch == "\n") || (ch == "\r") || (ch == "\n")) {
		endPos--;
		ch = inString.charAt(endPos);
	}

	// get the string
	outString = inString.substring(startPos, endPos + 1);
	if ( flag==true ) 
		return "";
	else	
		return outString;
}
//======檢查年份(不可為小數也不可為文字,並將負數變成正數傳回)============
function CheckYear(cyear)
{
    if(cyear.value.indexOf(".") != -1)
    {
        alert("年份不可為小數");    
        cyear.focus();
        return false;
    }
    if(isNaN(Math.abs(cyear.value)))
    {
        alert("年份不可為文字");
        cyear.focus();
        return false;
    }
    if(trimString(cyear.value) != '')
        cyear.value = Math.abs(cyear.value);
    return true;
}
//===判斷是否為正確有效的日期(isAllspac=true 日期可全為空白 false 日期不可全為空白)===
function isVaildDate(checkyear,checkmonth,checkday,checkdate,isAllspac,szWarning)
{
    var toWestYear = 0;
    if(trimString(checkyear.value).length<4)
        toWestYear = 1911;
    
    if(!CheckYear(checkyear))
        return false;
    if(trimString(checkyear.value)!="" && trimString(checkmonth.value)!="" && trimString(checkday.value)!="")
    {
        if(fnValidDate((eval(checkyear.value)+toWestYear) + checkmonth.value + checkday.value))
        {
            if(checkdate != null)
                checkdate.value = (eval(checkyear.value)+toWestYear) + checkmonth.value + checkday.value;
        }
        else
        {
            alert(szWarning + "為錯誤的日期");
            checkyear.focus();
            return false;
        }    
    }
    else if(trimString(checkyear.value)=="" && trimString(checkmonth.value)=="" && trimString(checkday.value)=="")
         {
            if(!isAllspac)
            {
                alert(szWarning + "不可全為空白");
                checkyear.focus();
                return false;
            }
         }
         else
         {
            
            if(isAllspac)
                alert("請輸入完整的"+ szWarning+ "或者都不輸入");
            else
                alert("請輸入完整的"+ szWarning);                
            checkyear.focus();    
            return false;
         }
    return true            
}
//=====檢查日期===========================================================
/*
 * Mark by DavidYun 2008-04-04
 * @param startdate 欲檢查之日期
 * @param message 欲檢查之欄位名稱,用於顯示錯誤訊息
 * 1.檢查是否包含文字
 * 2.將日期統一為西元年後檢查是否符合日期規則(function fnValidDate)
 */
function checkdate(startdate,message)
{
    if(isNaN(Math.abs(startdate)))
    {
        alert("日期不可為文字");
        return false;
    }
    if(startdate.length < 8 && startdate.length > 4)
        startdate = (Math.abs(startdate.substring(0,startdate.length-4))+1911)+startdate.substring(startdate.length-4,startdate.length);
    else if(startdate.length >=8)
        startdate = (Math.abs(startdate.substring(0,startdate.length-4)))+startdate.substring(startdate.length-4,startdate.length);
    else
        alert(message + "日期有誤");
    
    if(!fnValidDate(startdate))
    {
        alert(message + "日期有誤");    
        return false;
    }
    return startdate;
}
//======檢查小數點位數是否正確===================================================================
function isRightDecimal(checkValue,checklength,szWarning)
{
    if(checkValue.indexOf(".") != -1 )
    {
        var len = checkValue.substring(checkValue.indexOf(".")+1,checkValue.length);
        if(len.length > checklength)
        {
            if(checklength != 0)
                alert( szWarning + "的小數點後只能有 " + checklength + " 個位數");  
            else
                alert( szWarning + "不能有小數位數");  
            return false;  
        }
    }
    return true;
}
//======月份相加=======================================================
function AddMonth(baseDate,amount)
{
    if(isNaN(amount=parseInt(amount)))
        return false;
    if(baseDate.length<5)
        return false;
    var toWestYear = 0;
    var monthTable = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
    
    var year  = Math.abs(baseDate.substring(0,baseDate.length-4));
    if(year.length<4)
        toWestYear = 1911;
    var month = Math.abs(baseDate.substring(baseDate.length-4,baseDate.length-2));
    var day   = Math.abs(baseDate.substring(baseDate.length-2,baseDate.length));
    var addyear  = (month+amount)/12;
        addyear = (addyear >=0)?Math.floor(addyear):Math.ceil(addyear);
    var newmonth = (month+amount)%12;
    if(newmonth<=0)
    {
        newmonth = 12+newmonth;
        addyear --;
    }    
    year += addyear;
    monthTable[1] = (leapYear(addyear+toWestYear) == 1)?29:28;
    
    if(day>monthTable[newmonth-1])
        day = monthTable[newmonth-1];
    return (year*10000) + (newmonth*100) + day;        
}
//=======檢查日期起迄是否相差七日================================
function checkDateGap(date1, date2) 
{
	MINI_SECORD_TO_DAY = 60 * 60 * 24 * 1000;
	
	yy1 = date1.substring(0,3);
	mm1 = date1.substring(3,5);
	dd1 = date1.substring(5,7);
	
	yy2 = date2.substring(0,3);
	mm2 = date2.substring(3,5);
	dd2 = date2.substring(5,7);
	
	newdate1 = new Date(eval(yy1)+1911,eval(mm1-1),eval(dd1));
	newdate2 = new Date(eval(yy2)+1911,eval(mm2-1),eval(dd2));
	
	range_days = (newdate2-newdate1)/MINI_SECORD_TO_DAY;
	
	if( range_days > 7 )
	  return false;
	else
	  return true;
}

/*	顯示alert訊息
 *  obj 欄位物件
 *  msg 顯示訊息
 */
function showError(obj,msg) {
	if (obj.type != null && obj.type != 'hidden') {
		alert(msg);
		obj.focus();
	}
	return true;
}

/*	檢查欄位是否為空白;	是:發出alert訊息, 否:false
 *	fieldId		欄位ID
 *	fieldName	欄位名稱
 */
function isEmpty(fieldId,fieldName){
	var fieldobject = document.getElementById(fieldId);
	var val = fieldobject.value;
	if (val.length == ""){
		return showError(fieldobject,fieldName+"不可為空白!");
	}
	return false;
}

function trim(str)
{
	return str.replace(/^\s+|\s+$/g, "");
}

//=====檢查時===========================================================
/*
 * 檢查時
 * Mark by Rich 2010-10-25
 * @param hour
 */
function isHourCorrect(hour){
    if(hour!=""){
        if(isNaN(hour) || hour > 23|| hour < 0){
            return false;
        }
        if (hour.length != 2){
            return false;
        }
    }
    return true;
}

//=====檢查分===========================================================
/*
 * 檢查分
 * Mark by Rich 2010-10-25
 * @param min
 */
function isMinCorrect(min){
    if(min!=""){
        if(isNaN(min)|| min > 59|| min < 0){
            return false;
        }
        if (min.length != 2){
            return false;
        }
    }
    return true;
}

//=====將欄位設為目前系統時間===========================================================
/*
 * 將欄位設為目前西元系統時間(YYYYMMDDH24MISS)
 * Mark by Rich 2010-10-25
 * @param elementId
 */
function setSysDateTime(elementId,len1,len2){
    var today = new Date();
    var year = today.getFullYear();
    var month = today.getMonth()+1;
    if (month < 10){
        month = "0"+month;
    }
    var day = today.getDate();
    if (day < 10){
        day = "0"+day;
    }
    var hour = today.getHours();
    if (hour < 10){
    	hour = "0"+hour;
	}
    var minute = today.getMinutes();
    if (minute < 10){
    	minute = "0"+minute;
	}        
    var second = today.getSeconds();
    if (second < 10){
    	second = "0"+second;
	}           
    var formatedDate = year+""+month+""+day+""+hour+""+minute+""+second;
    document.getElementById(elementId).value = formatedDate.substring(len1,len2);
}

/*
 * 將欄位設為目前民國系統時間(YYYMMDDH24MISS)
 * Mark by Rich 2010-10-25
 * @param elementId
 */
function setSysDateTime2(elementId,len1,len2){
    var today = new Date();
    var year = today.getFullYear()-1911;
    var month = today.getMonth()+1;
    if (year < 100){
    	year = "0"+year;
    }
    if (month < 10){
        month = "0"+month;
    }
    var day = today.getDate();
    if (day < 10){
        day = "0"+day;
    }
    var hour = today.getHours();
    if (hour < 10){
    	hour = "0"+hour;
	}
    var minute = today.getMinutes();
    if (minute < 10){
    	minute = "0"+minute;
	}        
    var second = today.getSeconds();
    if (second < 10){
    	second = "0"+second;
	}           
    var formatedDate = year+""+month+""+day+""+hour+""+minute+""+second;
    document.getElementById(elementId).value = formatedDate.substring(len1,len2);
}

/*
 * 將欄位設為目前民國系統時間(YYYMMDDH24MISS)
 * Add by Rich 20130618
 * @param elementId
 */
function getCDT(len1,len2){
    var today = new Date();
    var year = today.getFullYear()-1911;
    var month = today.getMonth()+1;
    if (year < 100){
    	year = "0"+year;
    }
    if (month < 10){
        month = "0"+month;
    }
    var day = today.getDate();
    if (day < 10){
        day = "0"+day;
    }
    var hour = today.getHours();
    if (hour < 10){
    	hour = "0"+hour;
	}
    var minute = today.getMinutes();
    if (minute < 10){
    	minute = "0"+minute;
	}        
    var second = today.getSeconds();
    if (second < 10){
    	second = "0"+second;
	}           
    var formatedDate = year+""+month+""+day+""+hour+""+minute+""+second;
    return formatedDate.substring(len1,len2);
}
//=====檢查日期時間===========================================================
/*
 * Mark by Rich 2010-10-25
 * @param startdate 欲檢查之日期時間
 * @param message 欲檢查之欄位名稱,用於顯示錯誤訊息
 * 1.檢查是否包含文字
 * 2.將日期統一為西元年後檢查是否符合日期規則(function fnValidDate)
 */
function checkDateTime(startdate,message)
{
    if(startdate.length != 12)
    {
        alert(message + "不可空白");
        return false;
    }
    if(isNaN(Math.abs(startdate)))
    {
        alert(message + "不可為文字");
        return false;
    }
    if(startdate.length < 8 && startdate.length > 4)
        startdate = (Math.abs(startdate.substring(0,startdate.length-4))+1911)+startdate.substring(startdate.length-4,startdate.length);
    else if(startdate.length >=8)
        startdate = (Math.abs(startdate.substring(0,startdate.length-4)))+startdate.substring(startdate.length-4,startdate.length);
    else
        alert(message + "日期有誤");
    
    if(!fnValidDate(startdate.substring(0,8)))
    {
        alert(message + "日期有誤");
        return false;
    }
    if(!isHourCorrect(startdate.substring(8,10)))
    {
    	alert(message + "時間有誤");
        return false;
    }
    if(!isMinCorrect(startdate.substring(10,12)))
    {
    	alert(message + "時間有誤");
        return false;
    } 
    return true;
}
//=====檢查日期時間===========================================================
/*
 * Mark by Rich 2010-10-25
 * @param str 欲檢查之字串
 * @param message 欲檢查之欄位名稱,用於顯示錯誤訊息
 */
function isDeclTypeCorrect(str,message){
    if(!(str.substring(0,1) >= 1 && str.substring(0,1) <= 4))
    {
        alert(message + "有誤");
        return false;
    }
    return true; 
}
//=====小寫轉大寫===========================================================
/*
 * Mark by Rich 2010-10-25
 * @param form
 */
function upperCaseText(form){
    for (var i=0;i<form.elements.length;i++) {
        if (form.elements[i].type == 'text' || form.elements[i].type == 'textarea') {
            form.elements[i].value = form.elements[i].value.toUpperCase();
        }
    }
}
//=====將傳入之西元年日期,改為民國年(3位年)新格式的日期:YYYY/MM/DD
function formatWDate(wDate) {
	if (wDate == "")
		return "";
    var fDate = wDate.substring(0,4) + "/" + wDate.substring(4,6) + "/" + wDate.substring(6,8);
    return fDate;
}
//=====將傳入之時間,改為新格式的時間:HH:mm:ss
function formatTime(time) {
	if (time.length == 6)
    	fTime = time.substring(0,2) + ":" + time.substring(2,4) + ":" + time.substring(4,6)
	else if (time.length <=4)
    	fTime = time.substring(0,2) + ":" + time.substring(2,4) ;
	else if (time.length > 6)
    	fTime = time.substring(0,2) + ":" + time.substring(2,4) + ":" + time.substring(4,time.length);
    return fTime;
}
//=====時間轉換格式===========================================================
/*
 * Mark by Rich 2010-10-25
 * @param 時間欄位
 */
function formateDateTime(str){
	var d = formatWDate(str.substring(0,8));
	var t = formatTime(str.substring(8,12));
	if (d == "" || t == "")
		return "";
	var dt = d+"-"+t;
	return dt;
}
//=====分轉小時===========================================================
/*
 * Mark by Rich 2010-10-25
 * @param 時間欄位
 */
function formateMin(str){
	var a = Math.floor(parseInt(str)/60);
	var b = parseInt(str)%60;
	var ab = a+"小時"+b+"分";
	return ab;
}
//=====清除Form值===========================================================
/*
 * Mark by Rich 2010-10-25
 * @param form
 */
function clearForm(form){
    for (var i=0;i<form.elements.length;i++) {
        if (form.elements[i].type == 'text' || form.elements[i].type == 'textarea' || form.elements[i].type == 'select' || form.elements[i].type == 'password') {
            form.elements[i].value = "";
        }
    }
}
//=====清除空白值===========================================================
/*
 * Mark by Rich 2011-01-19
 * @param form
 */
function trimText(form){
    for (var i=0;i<form.elements.length;i++) {
        if (form.elements[i].type == 'text' || form.elements[i].type == 'textarea') {
            form.elements[i].value = form.elements[i].value.replace(/^\s+|\s+$/g, "");
        }
    }
}
//**************************************
//台灣身份證檢查簡短版 for Javascript
//**************************************
function checkTwID(id){
	tab = "ABCDEFGHJKLMNPQRSTUVXYWZIO" 
	    A1 = new Array (1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,3 );
	    A2 = new Array (0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5 );
	    Mx = new Array (9,8,7,6,5,4,3,2,1,1);
	    
	    if ( id.length != 10 ) return false;
	    i = tab.indexOf( id.charAt(0) );

	    if ( i == -1 ) return false;
	    sum = A1[i] + A2[i]*9;

	    for ( i=1; i<10; i++ ) {
	        v = parseInt( id.charAt(i) );
	        if ( isNaN(v) ) return false;
	            sum = sum + v * Mx[i];
	    }
	    if ( sum % 10 != 0 ) return false;
	    return true;
	 
}
//台灣居留證統一編號規則
function checkLiveID(str_)
{  
 if (! /^[a-zA-Z]{1}[a-dA-D1-2]{1}[0-9]{8}$/.test(str_)) {
  return false;
 }
 else {
        var id_ = str_.toUpperCase();
        var sum = 0;
        var str1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
        var str2 = "1011121314151617341819202122352324252627282932303133";
     var t1 = str2.substr(str1.indexOf(id_.substr(0,1)) * 2 ,2);
        var t2 = str2.substr(str1.indexOf(id_.substr(1,1)) * 2 ,2);

        sum = t1.substr(0,1) * 1 + t1.substr(1,1) * 9;
        sum += (t2 % 10 ) * 8;

        var t10 = id_.substr(9,1);

        for (t_i = 3; t_i <= 9; t_i++) {
   sum += id_.substr(t_i-1,1) * (10 - t_i);
  }

        (sum % 10 == 0 ) ? t10_ = 0 : t10_ = 10 - (sum % 10);

        return (t10_ == t10 ) ? true : false;
 }
}