// JavaScript Document
String.prototype.Trim = function() { 
	return this.replace(/(^\s*)|(\s*$)/g, ""); 
} 
function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

// set the radio button with the given value as being checked
// do nothing if there are no radio buttons
// if the given value does not exist, all the radio buttons
// are reset to unchecked
function setCheckedValue(radioObj, newValue) {
	if(!radioObj)
		return;
	var radioLength = radioObj.length;
	if(radioLength == undefined) {
		radioObj.checked = (radioObj.value == newValue.toString());
		return;
	}
	for(var i = 0; i < radioLength; i++) {
		radioObj[i].checked = false;
		if(radioObj[i].value == newValue.toString()) {
			radioObj[i].checked = true;
		}
	}
}

function checkMail(email) {
	var x = email;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(x)) return true;
	else return false;
}

function checkContactUs(myForm) {
	region = myForm.region;
	subject = myForm.subject;
	department = myForm.department;
	message = myForm.message;
	var sendFlag = true;

	if (getCheckedValue(region) == "" && sendFlag){
		alert("請選擇地區");
		sendFlag = false;
		region[0].focus();
	}
	

	if (department.value == "" && sendFlag){
		alert("請輸入部門名稱");
		sendFlag = false;
		department.focus();
	}
		
	if (subject.value == "" && sendFlag){
		alert("請輸入主旨");
		sendFlag = false;
		subject.focus();
	}
		
					
	if (message.value == "" && sendFlag){
		alert("請輸入意見");
		sendFlag = false;
		message.focus();
	}
		
	if (sendFlag) {
		document.getElementById('btnReset').disabled = "disabled";
		document.getElementById('btnSubmit').disabled = "disabled";
	}
	
	return sendFlag;
}
function checkLogin(myForm) {
	var memberNo = myForm.loginName;
	var pass = myForm.password;
	var sendFlag = true;
	
	if (memberNo.value.Trim() == "" && sendFlag) {
		alert("請輸入帳戶名稱");
		sendFlag = false;
		memberNo.focus();
	}
	
	if (pass.value.Trim() == "" && sendFlag) {
		alert("請輸入密碼");
		sendFlag = false;
		pass.focus();
	}
		
	if (sendFlag) {
		myForm.btnSubmit.disabled = "disabled";
	}
	
	return sendFlag;
}