function updateTab(site_url,action)
{
	var xmlHttp = GetXmlHttpObject();
	
	if (xmlHttp == null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}
	
	var url = site_url+"/assets/modules/blog/assets/php/updateTabAjax.php";
	url = url + "?action="+action;
	url = url + "&sid="+Math.random();
	//prompt("",url);

	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{
			var result = xmlHttp.responseText;
			
			if (result != "")
			{ 
				//document.getElementById('pageModulesDiv').innerHTML = result;
				//prompt("",result);
			}
		}
	}
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);

}

function signup_blog_subscribe(site_url)
{
	var email_address		= $('#blog_subscriber_email').val();
	
	$.post(site_url+"/assets/modules/blog/assets/php/subscribe.php", { email_address: email_address},
	   function(data){
		$('div#status_blog_signup').html(data).fadeIn('slow');
	   });
	return true;
}