// JavaScript Document
function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function getEmailMsg() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		msg=trimString(xmlHttp.responseText);
		if(msg=="err_exists")
		{
			alert("Email already exists in subscription list.");
		}
		if(msg=="msg_subs")
		{
			alert("Email added in subscription list.");
		}
		if(msg=="err_notexists")
		{
			alert("Email not exists in subscription list.");
		}
		if(msg=="msg_unsubs")
		{
			alert("Email removed from subscription list.");
		}
	}
}
var image_no
var item_id
function validation_Subscription(me)
{
	if(isBlank(me.email,"Email should not be blank.")==0)
		return false;
	if(isEmail(me.email,"Email should be valid format.")==0)
		return false;
	if(me.rad_subs.checked==false && me.rad_unsubs.checked==false)
	{
			alert("Please select  配信 or  停止");
			return false;
	}
	if(me.rad_subs.checked==true)
		rad=1;
	if(me.rad_unsubs.checked==true)
		rad=0;
		
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return false;;
	} 
	var url="subscribe.php";
	url=url+"?email="+me.email.value;
	url=url+"&act="+rad;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=getEmailMsg;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	return false;
}