var xmlhttp;

function DoNewsletter()
{	
	var em = document.getElementById("emailNewsletter"); 
	ClearField(em, "Your Email ID");
	ClearField(em, "כתובת דוא''ל");
    if (!em.value.match(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/))
	{
       document.getElementById('spnNlEmailError').style.visibility ="visible";
	   return false;
	}
	else
	{							
		xmlhttp=GetXmlHttpObject();
        if (xmlhttp==null)
        {
             alert ("Browser does not support HTTP Request");
             return;
        }
		var s;
		if (document.getElementById("subscribe").checked) s = 1;
		else s = 0;
        var url="post_newsletter.php";		
        url=url+"?e="+encodeURIComponent(em.value) + "&subscribe=" + s;
        url=url+"&r="+Math.random();
       
        xmlhttp.onreadystatechange=stateChanged;
        xmlhttp.open("GET",url,true);
        xmlhttp.send(null);
	}
}

function DoNewsletterHebrew()
{	
	var em = document.getElementById("emailNewsletter"); 
	ClearField(em, "Your Email ID");
	ClearField(em, "כתובת דוא''ל");
    if (!em.value.match(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/))
	{
       document.getElementById('spnNlEmailError').style.visibility ="visible";
	   return false;
	}
	else
	{							
		xmlhttp=GetXmlHttpObject();
        if (xmlhttp==null)
        {
             alert ("Browser does not support HTTP Request");
             return;
        }
		var s;
		if (document.getElementById("subscribe").checked) s = 1;
		else s = 0;
        var url="post_newsletter.php";		
        url=url+"?e="+encodeURIComponent(em.value) + "&subscribe=" + s;
		url=url+"&pagetype=hebrew";
        url=url+"&r="+Math.random();
       
        xmlhttp.onreadystatechange=stateChanged;
        xmlhttp.open("GET",url,true);
        xmlhttp.send(null);
	}
}

function stateChanged()
{
  if (xmlhttp.readyState==4) 
  {
	  var v = parseInt(xmlhttp.responseText,10);		
	  document.getElementById("newsletter").style.display = "none";	
	  document.getElementById("tr"+v).style.display ="block";	   
   }
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}