var IS_NULL     =	0X80; //	10000000
var IS_FULL     =	0X40; //	01000000
var IS_HALF     =	0X20; //	00100000
var IS_ASCII    =	0X10; //	00010000
var IS_NUM      =	0X08; //	00001000
var IS_DATE     =	0X04; //	00000100
var IS_PHONE    =	0X02; //	00000010
var IS_EMAIL    =	0X01; //	00000001
var IS_NOT_NULL =	0X00; //	00000000

var MSG_CHECK_SUCCESS = "Check Success";

function getAppVer() {
	var sVer = navigator.appVersion;
	var nVer = sVer.indexOf("MSIE");
	var appVer = "";
	if (nVer > 0) {
		appVer = "M" + sVer.substring(nVer + 5, nVer + 9);
	}
	else {
		appVer = "N" + sVer.substring(0, 4);
	}
	if (appVer.charAt(4) == " ") {
		appVer = appVer.substring(0, 4) + "0";
	}
	return appVer;
}

var appVer = getAppVer();

function checkSpaceChar(c) {
	return ((c == ' ') || (c == '\t') || (c == '　'));
}

function trim(str) {
	var len = str.length;
	var begin = 0;
	var end = len -1;
	var chkOne = true;
	var chkTwo = true;
   	if ((appVer.charAt(0) == 'M') || (appVer > "N4.03")) {
   		for (begin; (begin < len) && checkSpaceChar(str.charAt(begin)); begin++);
		for (end; (end >= 0) && checkSpaceChar(str.charAt(end)); end--);
	}
	else if (appVer.charAt(0) == 'N') {
		while (chkOne || chkTwo) {
			if (begin < len) {
				if (checkSpaceChar(str.charAt(begin))) {
					begin++;
					chkOne = true;
				}
				else {
					chkOne = false;
				}
			}
			else {
				chkOne = false;
			}
			if (begin < len - 1) {
				if (str.substring(begin, begin + 2) == "　") {
					begin += 2;
					chkTwo = true;
				}
				else {
					chkTwo = false;
				}
			}
			else {
				chkTwo = false;
			}
		}
		chkOne = true;
		chkTwo = true;
		while (chkOne || chkTwo) {
			if (end > -1) {
				if (checkSpaceChar(str.charAt(end))) {
					end--;
					chkOne = true;
				}
				else {
					chkOne = false;
				}
			}
			else {
				chkOne = false;
			}
			if (end > 0) {
				if (str.substring(end - 1, end + 1) == "　") {
					end -= 2;
					chkTwo = true;
				}
				else {
					chkTwo = false;
				}
			}
			else {
				chkTwo = false;
			}
		}
	}
	if (begin > end) {
		return "";
	}
	return str.substring(begin,end + 1);
}
function checkMZenKaKu(c) {
	var tmp = escape(c);
	if (tmp.length == 1) {
		return false;
	}
	return (tmp.charAt(1) == 'u');
}

function checkNZenKaKu(c) {
    var str = escape(c);
    if (str.charAt(0) != '%') {
        return false;
	}
    else if (str.charAt(1) == '8') {
        return true;
	}
    else if (str.charAt(1) == '9') {
        return true;
	}
    else if (str.charAt(1) == 'E') {
        return true;
	}
    else if (str.charAt(1) == 'F') {
        return true;
	}
    else{
        return false;
    }
}


function getLength(sCheck) {
   	if ((appVer.charAt(0) == 'M') || (appVer > "N4.05")) {
    	var n = 0;
    	var str = sCheck;
    	var len = str.length;
	for (var i = 0; i < len; i++) {
       	    n += checkMZenKaKu(str.charAt(i)) ? 2 : 1;
       	}
	return n;
   	}
   	else if (appVer.charAt(0) == 'N') {
	  	return sCheck.length;
    }
}

function checkFull(sCheck) {
    var i = 0;
    var str = sCheck;
    str = toHankaku(str);
    var len = str.length;
   	if ((appVer.charAt(0) == 'M') || (appVer > "N4.05")) {
	    for (i = 0; i < len; i++) {
       		if (!checkMZenKaKu(str.charAt(i))) {
       			return false;
       		}
    	}
   	} else if (appVer.charAt(0) == 'N') {
   		if ((len % 2) == 1) {
   			return false;
   		}
	    for (i = 0; i < len / 2; i++) {
       		if (!checkNZenKaKu(str.charAt(i * 2))) {
       			return false;
       		}
       	}
    }
  	return true;
}

function checkEngNum(str) {
	if( str == null || str == "" ){
		return true;
	}

	var c = new RegExp();
	c = /^[\d|a-zA-Z]+$/;
	if (c.test(str))
		return true;
	else
		return false;
}

function replaceStr(str, sFnd, sRep) {
	var sTmp = "";
   	var endIndex = 0;
  	var beginIndex = 0;
   	var len = sFnd.length;
  	while (endIndex >= 0) {
    	endIndex = str.indexOf(sFnd ,beginIndex);
    	if (endIndex >= 0) {
      		sTmp += str.substring(beginIndex, endIndex) + sRep;
       		beginIndex = endIndex + len;
    	}
    	else if (beginIndex >= 0) {
       		sTmp += str.substring(beginIndex);
      		break;
    	}
  	}
  	return sTmp;
}

function replaceCommas(str) {
	if (str == "") {
		return str;
	}
	str = replaceStr(str, "'", "'");
	str = replaceStr(str, '"', '"');
	return str;
}

function checkASCII(sCheck) {
	var str = escape(sCheck);
	var chkStr = "89abcdefABCDEF"
	var i = str.indexOf("%");
   	if ((appVer.charAt(0) == 'M') || (appVer > "N4.05")) {
		while ((i >= 0) && (i < str.length)) {
			if (str.charAt(i+1) == "u") {
				return false;
			}
			i = str.indexOf("%", i+1);
		}
   	}
   	else if (appVer.charAt(0) == 'N') {
		while ((i >= 0) && (i < str.length)) {
			if (chkStr.indexOf(str.charAt(i+1)) >= 0) {
				return false;
			}
			i = str.indexOf("%", i+1);
		}
    }
    return true;
}

function checkNumber(str) {
    var i;
    var len = str.length;
    var chkStr = "1234567890";
    if (len == 1) {
	if (chkStr.indexOf(str.charAt(i)) < 0) {
	    return false;
	}
	} else {
	//comment by SJNS/TaoWeisong @ 2001/05/14
	//aim: '0012' is number
	//if ((chkStr.indexOf(str.charAt(0)) < 0) || (str.charAt(0) == "0")) {
	if ((chkStr.indexOf(str.charAt(0)) < 0)) {
	    return false;
	}
	 for (i = 1; i < len; i++) {
		if (chkStr.indexOf(str.charAt(i)) < 0) {
			    return false;
		}
	}
    }
    return true;
}

function checkFloat(str) {
    var i;
    var len = str.length;
    var chkStr = "1234567890.";
    if (len == 1) {
	if (chkStr.indexOf(str.charAt(i)) < 0) {
	    return false;
	}
	} else {
	//comment by SJNS/TaoWeisong @ 2001/05/14
	//aim: '0012' is number
	//if ((chkStr.indexOf(str.charAt(0)) < 0) || (str.charAt(0) == "0")) {
	if ((chkStr.indexOf(str.charAt(0)) < 0)) {
	    return false;
	}
	 for (i = 1; i < len; i++) {
		if (chkStr.indexOf(str.charAt(i)) < 0) {
			    return false;
		}
	}
    }
    return true;
}

function checkFloat(str, precision, scale, isNull){
    var retMsg = MSG_CHECK_SUCCESS;
    var pointPos = str.indexOf(".");
    if(pointPos < 0){
		retMsg  = checkItem(str, 0, precision - scale, IS_NUM | isNull);
    }else{
    	var integerPart = str.substring(0, pointPos);
        var decimalPart = str.substring(pointPos + 1, str.length);
        retMsg = checkItem(integerPart, 0, precision - scale, IS_NUM | isNull);
    	if(retMsg == MSG_CHECK_SUCCESS){
    		retMsg = checkItem(decimalPart, 0, scale, IS_NUM | IS_NULL);
    		if(retMsg != MSG_CHECK_SUCCESS){
    			retMsg = "的小數部分" + retMsg;
    		}
    	}else{
    		retMsg = "的整數部分" + retMsg;
    	}
    }
   	return retMsg;
}


function checkNumberString(value)
{
	if( value == null || value == "" ){
		return true;
	}

	var c = new RegExp();
	c = /^\d+$/;
	if (!c.test(value))
		return false;
	else
		return true;
}


function formatDate(sYear, sMonth, sDay) {
	if (sMonth.length == 1) {
		sMonth = "0" + sMonth;
	}
	if (sDay.length == 1) {
		sDay = "0" + sDay;
	}
	return sYear + sMonth + sDay;
}

function convDate(sDate, sSep) {
	var pos = 0;
	var str = sDate;
	var len = str.length;
	if ((len < 8) || (len > 10)) {
		return str;
	}
	else if (str.indexOf(sSep) == 4) {
		pos = str.indexOf(sSep, 5);
		if (pos == 6) {
			if (len == 8) {
				return str.substring(0, 4) + "0" + str.substring(5, 6) + "0" + str.substring(7, 8);
			}
			else {
				return str.substring(0, 4) + "0" + str.substring(5, 6) + str.substring(7, 9);
			}
		}
		else if (pos == 7) {
			if (len == 9) {
				return str.substring(0, 4) + str.substring(5, 7) + "0" + str.substring(8, 9);
			}
			else {
				return str.substring(0, 4) + str.substring(5, 7) + str.substring(8, 10);
			}
		}
		else {
			return str;
		}
	}
	else {
		return str;
	}
}