if (document.images)
{
	preload_image = new Image(16,16); 
    preload_image.src="http://www.greenandclean.rs/wp-content/themes/GreenClean/images/loading.gif"; 
}

function sendNewsletterRequest()
{
	var url = 'http://www.greenandclean.rs/newsletter-subscribe/';
	var params = 'na=s&ne=' + document.getElementById("newsletter").value;
	xmlhttp = GetXmlHttpObject();
	xmlhttp.onreadystatechange= stateChanged;	
	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);
	var saveOldHtml = document.getElementById("newsletterForm").innerHTML;
	document.getElementById("newsletterForm").innerHTML = '<img border="0" src="http://www.greenandclean.rs/wp-content/themes/GreenClean/images/loading.gif" alt="sending..." />';	
}

function stateChanged()
{
	if (xmlhttp.readyState==4)
	{
		var outHtml = '<form><input type="text" id="newsletter" /></form><button type="button" id="newsletterButton" onclick="sendNewsletterRequest()" ></button>';
		if(xmlhttp.responseText.indexOf("Success") >= 0)
			document.getElementById("newsletterForm").innerHTML = "<p>Konfirmacioni email je poslat.</p>";
		//else if(xmlhttp.responseText.indexOf("Wrong email") >= 0)
		//	document.getElementById("newsletterForm").innerHTML = outHtml;
		else
			document.getElementById("newsletterForm").innerHTML = outHtml;
	}
}

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
	{
		return new XMLHttpRequest();
	}
	if (window.ActiveXObject)
	{
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}