var send_type_id = "send_type";
var xmlhttp = false;


function onSendNewsletterButtonClick()
{
	var email_field_id = "email";
	var form_id = "newsletter_form";
	var email = document.getElementById(form_id).elements[email_field_id].value;
	var send_type = "newsletter";

	if (email == "" || email == "your email address" || email.indexOf(" ") > 0)
	{
		alert("Please enter email address.");
		document.getElementById(form_id).elements[email_field_id].focus();
		return;
	}

	var params = "send_type=" + send_type;
	params += "&email=" + encodeURI( email );
	submitEmail(send_type, params);

	return false;
}

function onSendContactUsButtonClick()
{
	
	var email_field_id = "email";
	var name_field_id = "name";
	var message_field_id = "message";
	
	var form_id = "feedback_form";
	var email = document.getElementById(form_id).elements[email_field_id].value;
	var name = document.getElementById(form_id).elements[name_field_id].value;
	var message = document.getElementById(form_id).elements[message_field_id].value;
	var send_type = "contact_us";
	if (email == "")
	{
		alert("Please enter email address.");
		document.getElementById(form_id).elements[email_field_id].focus();
		return false;
	}
	if (name == "")
	{
		alert("Please enter your name.");
		document.getElementById(form_id).elements[name_field_id].focus();
		return false;
	}

	var params = "send_type=" + send_type;
	params +="&email=" + encodeURI(email);
	params +="&name=" + encodeURI(name);
	params +="&message=" + encodeURI(message);
	
	submitEmail(send_type, params);

	return false;
}

function submitEmail(send_type, params)
{
	xmlhttp = GetXmlHttpObject();
	if (xmlhttp==null)
	{
		alert ("Browser does not support HTTP Request.");
		return;
	}
	var url="/danzstage/kobo/send_mail.php";
	//url +=  "?email="+email;
	if (send_type=="newsletter")
	{
		xmlhttp.onreadystatechange=newsletterStateChanged;
	}
	else
	{
		xmlhttp.onreadystatechange=contactUsStateChanged;
	}
	xmlhttp.open("POST",url,true);
	xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlhttp.setRequestHeader("Content-length", params.length);
	xmlhttp.setRequestHeader("Connection", "close");
	xmlhttp.send(params);
}


function newsletterStateChanged()
{
	if (xmlhttp.readyState==4)
	{
		//if (xmlhttp.responseText == "0")
		if (xmlhttp.status == 200)
		{
			alert("Thank you for your subscription!");
			//document.getElementById("mail_form").elements[email_field_id].clear();
		}
		else
		{
			alert("Please contact DanzStage system administrator.");
		}
	}
}

function contactUsStateChanged()
{
	if (xmlhttp.readyState==4)
	{
		if (xmlhttp.status == 200)
		{
			alert("Thanks for your feedback. We will contact you shortly.");
			var form_id = "feedback_form";
			document.getElementById(form_id).reset();
		}
		else
		{
			alert("Please contact DanzStage system administrator.");
		}
		
//		if (xmlhttp.responseText == "0")
//		{
//			//document.getElementById(form_id).reset();
//		}
//		else
//		{
//			alert("Please contact DanzStage system administrator");
//		}
	}
}

function GetXmlHttpObject()
{

	if (window.XMLHttpRequest)
	{
		// code for IE7+, Firefox, Chrome, Opera, Safari
		var http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) 
		{
			// set type accordingly to anticipated content type
			//http_request.overrideMimeType('text/xml');
			http_request.overrideMimeType('text/html');
		}

		return http_request;
	}

	else if (window.ActiveXObject)
	{
		// code for IE6, IE5
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}