var http_request = false;
function makePOSTRequest(url, parameters)
{
	http_request = false;
	if (window.XMLHttpRequest)
	{ // Mozilla, Safari,...
		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');
		}
	} 
	else if (window.ActiveXObject)
	{ // IE
		try
		{
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}
	if (!http_request)
	{
		alert('Cannot create XMLHTTP instance');
		return false;
	}
	
	http_request.onreadystatechange = alertContents;
	http_request.open('POST', url, true);
	http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http_request.setRequestHeader("Content-length", parameters.length);
	http_request.setRequestHeader("Connection", "close");
	http_request.send(parameters);
}

function alertContents()
{
	if (http_request.readyState == 4)
	{
		if (http_request.status == 200)
		{
			//alert(http_request.responseText);
			result = http_request.responseText;
			if(result=='done')
			{
				document.getElementById('myspan').style.display = 'none';
				document.getElementById('thankyou').style.display = 'block';
				document.getElementById('thankyou').innerHTML = "Thank you, One of our representative will shortly get back to you.";
				
				document.getElementById("email").value='';
			}
			else
			{
				document.getElementById('thankyou').style.display = 'none';
				document.getElementById('myspan').style.display = 'block';
				document.getElementById('myspan').innerHTML = result;            
		}
		}
		else
		{
			alert('There was a problem with the request.');
		}
	}
}

function get(obj)
{
	var email=document.getElementById("email").value
	
	if(email=='')
	{
		document.getElementById('thankyou').style.display = 'none';
		document.getElementById('myspan').style.display = 'block';
		document.getElementById('myspan').innerHTML = 'Please enter your email.';		
	}
	else if(isValidEmail(email)==false)
	{
		document.getElementById('thankyou').style.display = 'none';
		document.getElementById('myspan').style.display = 'block';
		document.getElementById('myspan').innerHTML = 'Please enter valid email.';
	}
	else
	{
		var poststr = "email=" + encodeURI(email);
		makePOSTRequest('post.php', poststr);
	}
}