//Check CheckBox
function chk_CheckBox(objChk, DSCR)
{
	var flgChk = false;
	if(typeof(objChk) != "undefined")
	{
		if(isNaN(objChk.length) == true)
		{
			if(objChk.checked == true) flgChk = true;
		}
		else
		{
			for(inx=0; inx<objChk.length; inx++)
			{
				if(objChk(inx).checked == true) flgChk = true;
			}
		}
	}
	if(flgChk == false) return DSCR + " 必須選取!!\n";
	else return "";
}
	


//不能為0
function chk_NumZero(obj, DSCR)
{
	var blnZero;
	blnZero=1;
	for(idx=0; idx<obj.length; idx++)
	{
		if(obj.charAt(idx) != '0' ) return "";
	}
	
	if(blnZero=1)
	{
		return(DSCR + " 不能為0!!\n");
	}
}


//1:不能有數字以外的字元
//2:不能有數字及．以外的字元
function chk_Num(obj,nMethod,DSCR)
{
	for(idx=0; idx<obj.length; idx++)
	{
		if(nMethod == 1 )
		{
			if(!((obj.charAt(idx) >= '0' && obj.charAt(idx) <= '9')))
			{
					return(DSCR + " 不能有數字以外的字元!!\n");
			}
		}
		else if(nMethod == 2 )
		{
			if(!((obj.charAt(idx) >= '0' && obj.charAt(idx) <= '9') || obj.charAt(idx) == '.'))
			{
				return(DSCR + " 不能有數字及．以外的字元!!\n");
			}
		}
    }
    return "";
}


//1:不能有數字以外的字元及不能大於nScope
//2:不能有數字及．以外的字元及不能大於nScope
function chk_NumValue(obj,nScope,nMethod,DSCR)
{
	for(idx=0; idx<obj.length; idx++)
	{
		if(nMethod == 1 )
		{
			if(!((obj.charAt(idx) >= '0' && obj.charAt(idx) <= '9')))
			{
				return(DSCR + " 不能有數字以外的字元!!\n");
			}
		}
		else if(nMethod == 2 )
		{
			if(!((obj.charAt(idx) >= '0' && obj.charAt(idx) <= '9') || obj.charAt(idx) == '.'))
			{
				return(DSCR + " 不能有數字及．以外的字元!!\n");
			}
	    }
	}
	if(parseFloat(obj) > nScope) return(DSCR + " 不能大於" + nScope + "!!\n");
    return "";
}


//Check Telphone Number
function chk_TelNum(num, DSCR)
{
	var error = false;
    for( idx = 0 ; idx < num.length ; idx++ ) 
    {
//        if( !( ( num.charAt(idx) >= '0' && num.charAt(idx) <= '9' ) || ( num.charAt(idx) == '-' ) || ( num.charAt(idx) == '#' ) || ( num.charAt(idx) == '(' ) || ( num.charAt(idx) == ')' )) ) 
        if( !( ( num.charAt(idx) >= '0' && num.charAt(idx) <= '9' ) || ( num.charAt(idx) == '-' ) || ( num.charAt(idx) == '(' ) || ( num.charAt(idx) == ')' )) ) 
        {
            error = true;
            break;
        }
    }
   // if( error == true ) return DSCR + " 只能是數字及'-','#','(',')'符號!!\n";
    if( error == true ) return DSCR + " 只能是數字及'-'符號!!\n";
    return "";
}


//Check E-Mail
function chk_EMail(email ,DSCR)
{
	var len = email.length;
	var ck =0;
	if(len==0) return "";
	for(var i=0;i<len;i++)
	{  
		var c= email.charAt(i);
		if(!((c>="A"&&c<="Z")||(c>="a"&&c<="z")||(c>="0"&&c<="9")||(c=="-")||(c=="_")||(c==".")||(c=="@")))
			return DSCR + " 只能是數字,英文字母及'-','_'等符號!!\n";
	}
	if((email.indexOf("@")==-1)||(email.indexOf("@")==0)||(email.indexOf("@")==(len-1)))
		return DSCR + " 不合法!!\n";
	if((email.indexOf("@")!=-1)&&(email.substring(email.indexOf("@")+1,len).indexOf("@")!=-1))
		return DSCR + " 不合法!!\n";
	if((email.indexOf(".")==-1)||(email.indexOf(".")==0)||(email.lastIndexOf(".")==(len-1)))
		return DSCR + " 不完全!!\n";
	return "";
}
	

//Check Identity	
function chk_identity ( id )
{
	if( id.length == 0 ) return "";
	var m_id = id;
	//m_id = m_id.toUpperCase();
	//id.value = m_id;
	//if(m_id.length>10) return "您的身分證字號超過10個字!!\n";
	if(m_id.length<10) return "您的身分證字號不滿10個字!!\n";
	var c = m_id.charAt(0);
	if(c<"A" || c> "Z") return "您的身分證字號第一碼必須是大寫的英文字母 !\n";
	c = m_id.charAt(1);
	if(c!="1" && c!="2") return "您的身分證字號第二碼有問題!!\n";
	for(i=1;i<10;i++)
      if(isNaN(parseFloat(m_id.charAt(i)))) return "您的身分證字號第二到十碼有問題 !\n";
	var m_alph = new Array("A","B","C","D","E","F","G","H","J","K","L","M","N","P","Q","R","S","T","U","V","X","Y","W","Z","I","O");
	var m_num = new Array("10","11","12","13","14","15","16","17","18","19","20","21","22","23","24","25","26","27","28","29","30","31","32","33","34","35");
	var n=0;
	for(i=0;i<m_alph.length;i++)
		if(m_id.charAt(0)==m_alph[i]) n=i;
	var m_tot1 = parseFloat(m_num[n].charAt(0)) + (parseFloat(m_num[n].charAt(1)) * 9);
	var m_tot2 = 0;
	for(i=1;i<m_id.length-1;i++) m_tot2 = m_tot2 + parseFloat(m_id.charAt(i))*(9-i);
	var m_tot3 = parseFloat(m_id.charAt(9));
	var m_tot4 = m_tot1 + m_tot2 + m_tot3;
	if((m_tot4 % 10)!=0) return "您的身分證字號有問題!!\n";
	return "";
}


//Check Date
function chk_Date(DateStr, DSCR){
	if(DateStr.length > 10) return (DSCR + " 格式錯誤，超過10位數!!\n");
	if(DateStr.length < 8) return (DSCR + " 格式錯誤，少於8位數!!\n");


	var DateArr = new Array(DateStr.split("/").length);
	DateArr = DateStr.split("/");
 
	if(DateArr.length != 3) return (DSCR + " 格式錯誤,須為yyyy/mm/dd!!\n");
	else{
	    for(idx=0; idx<DateStr.length; idx++){
    	    if(!((DateStr.charAt(idx) >= '0' && DateStr.charAt(idx) <= '9' ) || ( DateStr.charAt(idx) == '/'))) {
    	        return(DSCR + " 不能有 數字 及 / 以外的字元!!\n");
    	    }
    	}
		
		if(DateArr[0].length != 4) return(DSCR + " 年須為四位數!!\n");
		if(DateArr[1] > 12) return(DSCR + " 月不可大於12!!\n");
		if(DateArr[1] == 2){
			if((DateArr[0] % 4 != 0) && (DateArr[2] > 28))return(DSCR + " " + DateArr[0] + "年2月不可大於28天!!\n");
			else if(DateArr[2] > 29) return(DSCR + " " + DateArr[0] + "年2月不可大於29天!!\n");
		}
		else{
			if((DateArr[1] == 1) || (DateArr[1] == 3) || (DateArr[1] == 5) || (DateArr[1] == 7) || (DateArr[1] == 8) || (DateArr[1] == 10) || (DateArr[1] == 12)){
				if(DateArr[2] > 31) return(DSCR + " " + DateArr[1] + "月不可大於31天!!\n");
			}
			else if(DateArr[2] > 30) return(DSCR + " " + DateArr[1] + "月不可大於30天!!\n");
		}
	}	

	return "";
}
function chkTxt(obj,DSCR){
	var re = /[a-zA-Z]{1,}/;
	if(re.test(obj)){
		return(DSCR+" 格式錯誤，請輸入中文或數字!!\n");
	}
	return "";
}

/*
//檢查資料是否有值
  isEmpty('txtBgnDate','使用期限：開始日期','chk_Date(document.frmUG.txtBgnDate.value,\'使用期限：開始日期\')','必須選擇資料');
*/
function isEmpty(obj,Descr,nFunction,nRtnTxt) {
	var j_strReturnTxt = '';
	var obj = document.getElementsByName(obj);
	if(obj != null && obj.length > 0){		
		var j_strObjType = obj[0].type.toLowerCase();
		var blnEmpty = true;
	
		switch(j_strObjType){
			case "checkbox":
			case "radio":
				blnEmpty = true;
				for(fun_i=0;fun_i<obj.length;fun_i++){
					if(obj[fun_i].checked){
						blnEmpty = false;
						break;
					}
				}
				if(blnEmpty == true){
					if(j_strObjType == 'checkbox'){						
						j_strReturnTxt = nRtnTxt ? nRtnTxt : '請至少選擇一項';
					}
					else{
						j_strReturnTxt = nRtnTxt ? nRtnTxt : '必須選擇資料';
					}
					return Descr + '　' + j_strReturnTxt +'!!<br>'
				}
				break;
			default:	//text or select
				if(obj[0].value.replace(/^\s+|\s+$/g,'')==''){
					if(j_strObjType == "select-one"){
						j_strReturnTxt = nRtnTxt ? nRtnTxt : '必須選擇資料';
					}
					else{
						j_strReturnTxt = nRtnTxt ? nRtnTxt : '必須輸入資料';
					}
					return Descr + '　' + j_strReturnTxt +'!!<br>'
				}
				else{
					if(nFunction != ''){
						return eval(nFunction);
					}
				}
		}
	}
	return '';
}

function blnClick(obj,Descr) {
	var obj = document.getElementsByName(obj);
	if(obj != null && obj.length > 0){		
		blnEmpty = true;
		for(fun_i=0;fun_i<obj.length;fun_i++){
			if(obj[fun_i].checked){
				blnEmpty = false;
				break;
			}
		}
		if(blnEmpty == true){
			return '';
		}
		return Descr;
	}
}

function clearData(obj){
	var obj = document.getElementsByName(obj);
	if(obj != null && obj.length > 0){
		var j_strObjType = obj[0].type.toLowerCase();
		
		switch(j_strObjType){
			case "checkbox":
			case "radio":
				for(fun_i=0;fun_i<obj.length;fun_i++){
					obj[fun_i].checked = false;
				}
				break;
			default:	//text or select
				for(fun_i=0;fun_i<obj.length;fun_i++){
					obj[fun_i].value = '';
				}
				break;
		}
	}
}

/*----------------------------------
string.Blength() 傳回字串的byte長度
var str = "測試123"; 
alert("字元數:"+str.length); 	//5 
alert("byte數:"+str.Blength()); //7 
----------------------------------*/
String.prototype.Blength = function() {
    var arr = this.match(/[^\x00-\xff]/ig);
    return  arr == null ? this.length : this.length + arr.length;
}

/*
//檢查資料格式
  chkBlock(7,document.frmUG.txtCatCode,\'編號\')
*/
function chkBlock(ftype,obj,Descr){
	var j_strDescr = '';
	
	if(obj != null){
		switch(ftype){
			case 1:		//僅限數字0~9
				var re = /[^0-9]{1,}/;
				j_strDescr = '　格式錯誤(請輸入數字)';
				break;
			case 2:		//僅限數字0~9及小數點
				var re = /[^0-9.]{1,}/;
				j_strDescr = '　格式錯誤(請輸入數字或 \'.\' )';
				break;
			case 3:		//僅限小寫英文或數字
				var re = /[^a-z0-9]{1,}/;
				obj.value = obj.value.toLowerCase();
				j_strDescr = '　格式錯誤(請輸入小寫字母或數字)';					
				break;
			case 4:		//僅限大寫英文或數字
				var re = /[^A-Z0-9]{1,}/;
				obj.value = obj.value.toUpperCase();
				j_strDescr = '　格式錯誤(請輸入大寫字母或數字)';					
				break;
			case 5:		//僅限大寫英文或小寫英文或數字
				var re = /[^A-Za-z0-9]{1,}/;
				j_strDescr = '　格式錯誤(請輸入英文字母或數字)';					
				break;
			case 6:		//會員帳號
				var re = /[^a-z0-9_]{1,}/;
				obj.value = obj.value.toLowerCase();
				j_strDescr = '　格式錯誤(請輸入英文字母或數字或_)';					
				break;
			case 7:		//編號
				var re = /[^A-Za-z0-9-_]{1,}/;
				//obj.value = obj.value.toLowerCase();
				j_strDescr = '　格式錯誤(請輸入英文字母或數字或_)';					
				break;
			case 8:		//車牌
				var re = /[^A-Z0-9-]{1,}/;
				obj.value = obj.value.toUpperCase();
				j_strDescr = '　格式錯誤(請輸入英文字母或數字或-)';
				break;
			case 9:		//僅限大寫英文或小寫英文
				var re = /[^A-Za-z]{1,}/;
				obj.value = obj.value.toLowerCase();
				j_strDescr = '　格式錯誤(請輸入英文字母)';					
				break;
			default:
				break;
		}
		
		if(re.test(obj.value)){
			return(Descr+ j_strDescr + '!!<br>');
		}
	}
	
	return"";
}

/*
//檢查輸入的資料格式
  onKeyPressBlock(event,12);
*/
function onKeyPressBlock(e,ftype){
	var key = window.event ? e.keyCode : e.which;
	
	if(key == 8 || key == 0){	//Backspace鍵,左右鍵
	
	}
	else{
		var keychar = String.fromCharCode(key);
		switch(ftype){
			case 1:		//僅限數字0~9
				reg = /\d/;				
				break;
			case 2:		//僅限小寫英文或數字
				if(window.event){	//For IE
					keychar = keychar.toLowerCase();
					event.keyCode = keychar.charCodeAt();
				}
				
				reg = /[a-z0-9]/;
				break;
			case 3:		//僅限大寫英文或數字
				if(window.event){	//For IE
					keychar = keychar.toUpperCase();
					event.keyCode = keychar.charCodeAt();
				}
				
				reg = /[A-Z0-9]/;
				break;
			case 4:		//僅限大寫英文或小寫英文或數字
				reg = /[A-Za-z0-9]/;
				break;
			case 5:		//for Email 使用
				if(window.event){	//For IE
					keychar = keychar.toLowerCase();
					event.keyCode = keychar.charCodeAt();
				}
				
				reg = /[A-Za-z0-9-_@.]/;
				break;
			case 6:		//僅限數字及小數點
				reg = /[0-9.]/;
				break;
			case 7:		//僅限小寫英文
				if(window.event){	//For IE
					keychar = keychar.toLowerCase();
					event.keyCode = keychar.charCodeAt();
				}
				
				reg = /[a-z]/;
				break;
			case 8:		//僅限大寫英文
				if(window.event){	//For IE
					keychar = keychar.toUpperCase();
					event.keyCode = keychar.charCodeAt();
				}
				
				reg = /[A-Z]/;
				break;
			case 9:		//for Tel 使用
				reg = /[0-9#()-]/;
				break;
			case 10:	//for CTel 使用
				reg = /[0-9-]/;
				break;
			case 11:	//僅限正負數字
				reg = /[0-9-]/;
				break;
			case 12:	//for Date 使用
				reg = /[0-9/]/;
				break;
			case 13:	//for 會員帳號使用
				if(window.event){	//For IE
					keychar = keychar.toLowerCase();
					event.keyCode = keychar.charCodeAt();
				}
				
				reg = /[a-z0-9_]/;
				break;
			case 14:	//for 編號 使用
				reg = /[A-Za-z0-9-_]/;
				break;
			case 15:	//for 車牌 使用
				if(window.event){	//For IE
					keychar = keychar.toUpperCase();
					event.keyCode = keychar.charCodeAt();
				}
			
				reg = /[A-Za-z0-9-]/;
				break;
			default:
				reg = /\d/;
				break;
		}
		
		return reg.test(keychar);
	}	
}

//轉為千分位(數值,小數點數,處理前面是否有0,處理前面是否有刮號,處理前面是否有逗號)
function FormatNumber(num,decimalNum,bolLeadingZero,bolParens,bolCommas)
/**********************************************************************
	IN:
		NUM - the number to format
		decimalNum - the number of decimal places to format the number to
		bolLeadingZero - true / false - display a leading zero for
										numbers between -1 and 1
		bolParens - true / false - use parenthesis around negative numbers
		bolCommas - put commas as number separators.
 
	RETVAL:
		The formatted number!
 **********************************************************************/
{ 
	if (isNaN(parseInt(num))) return "NaN";

	var tmpNum = num;
	var iSign = num < 0 ? -1 : 1;		// Get sign of number
	
	// Adjust number so only the specified number of numbers after
	// the decimal point are shown.
	tmpNum *= Math.pow(10,decimalNum);
	tmpNum = Math.round(Math.abs(tmpNum))
	tmpNum /= Math.pow(10,decimalNum);
	tmpNum *= iSign;					// Readjust for sign
	
	
	// Create a string object to do our formatting on
	var tmpNumStr = new String(tmpNum);

	// See if we need to strip out the leading zero or not.
	if (!bolLeadingZero && num < 1 && num > -1 && num != 0)
		if (num > 0)
			tmpNumStr = tmpNumStr.substring(1,tmpNumStr.length);
		else
			tmpNumStr = "-" + tmpNumStr.substring(2,tmpNumStr.length);
		
	// See if we need to put in the commas
	if (bolCommas && (num >= 1000 || num <= -1000)) {
		var iStart = tmpNumStr.indexOf(".");
		if (iStart < 0)
			iStart = tmpNumStr.length;

		iStart -= 3;
		while (iStart >= 1) {
			tmpNumStr = tmpNumStr.substring(0,iStart) + "," + tmpNumStr.substring(iStart,tmpNumStr.length)
			iStart -= 3;
		}		
	}

	// See if we need to use parenthesis
	if (bolParens && num < 0)
		tmpNumStr = "(" + tmpNumStr.substring(1,tmpNumStr.length) + ")";

	return tmpNumStr;		// Return our formatted string!
}