/*是否選中*/
function isChecked(name) {
	var temp = document.getElementsByName(name);
	for (i = 0; i < temp.length; i=i+1) {
		if (temp[i].checked) {
			return true;
		}
	}
}

//計算字符串的長度
function checkStrLength(value) {
	var StrTrueLength = value.replace(/[^\x00-\xff]/g, "~~").length;
	return StrTrueLength;
}
/*判斷是否為數字*/
function isNumber(str) {
	var Letters = "1234567890";
	for (var i = 0; i < str.length; i = i + 1) {
		var CheckChar = str.charAt(i);
		if (Letters.indexOf(CheckChar) == -1) {
			return false;
		}
	}
	return true;
}
/*判斷是否為Email*/
function isEmail(str) {
	var myReg = /^[-_A-Za-z0-9]+@([_A-Za-z0-9]+\.)+[A-Za-z0-9]{2,3}$/;
	if (myReg.test(str)) {
		return true;
	}
	return false;
}
/*判斷是否為空*/
function isEmpty(value) {
	return /^\s*$/.test(value);
}

/*全選、取消全選*/
function checkedAll(allCheckboxName, checkboxName) {
	o = document.getElementsByName(allCheckboxName);
	if (o[0].checked == true) {
		selAllCheckbox(checkboxName);
	} else {
		unselAllCheckbox(checkboxName);
	}
}
/*全選*/
function selAllCheckbox(checkboxName) {
	o = document.getElementsByName(checkboxName);
	for (i = 0; i < o.length; i++) {
		o[i].checked = true;
	}
}
/*取消全選*/
function unselAllCheckbox(checkboxName) {
	o = document.getElementsByName(checkboxName);
	for (i = 0; i < o.length; i++) {
		o[i].checked = false;
	}
}
/*反選*/
function reAllCheckbox(checkboxName) {
	o = document.getElementsByName(checkboxName);
	for (i = 0; i < o.length; i++) {
		if (o[i].checked == false) {
			o[i].checked = true;
		} else {
			o[i].checked = false;
		}
	}
}
/*返回check選中數*/
function getCheckedCount(checkboxName) {
	o = document.getElementsByName(checkboxName);
	var c = 0;
	for (i = 0; i < o.length; i++) {
		if (o[i].checked == true) {
			c++;
		}
	}
	return c;
}

/*判斷身份證是否正確*/
function JustifyIdCard( theField ) {
	var reg =/(^(\d{15}|\d{17}[\dx])$)/;
	if (reg.test(theField)){
		return true;
	}else{
		return false;
	}
}
/*判斷用戶名是否正確*/
function JustifyUserName( theField ) {	
	var reg =/^(\w+)|([\u0391-\uFFE5]+)$/;
	if (reg.test(theField)){
		return true;
	}else{
		return false;
	}
}

/*比較兩個時間的大小*/
function CompareDate(d1,d2)
{
  return ((new Date(d1.replace(/-/g,"\/"))) > (new Date(d2.replace(/-/g,"\/"))));
}

//根據身份證生成生日
function addBirthday(){
	var str=document.getElementById('idCard').value;//身份證編碼 
	var birthday=document.getElementById('birthday');
　　	var len=str.length;//身份證編碼長度 
	if (len==18){ 
　　		birthday.value=str.substr(6,4)+'-'+str.substr(10,2)+'-'+str.substr(12,2); 	
　	} 
	if (len==15){ 
　　		birthday.value="19"+str.substr(6,2)+'-'+str.substr(8,2)+'-'+str.substr(10,2); 	
　	} 
}