function ShowNL()
{
    var newsletterdiv = document.getElementById("nldiv");
    newsletterdiv.style.display = "block";
}

function HideNL()
{
    var newsletterdiv = document.getElementById("nldiv");
    newsletterdiv.style.display = "none";
}

function HideSNL()
{
	  var subscribediv = document.getElementById("snldiv");
	  subscribediv.style.display = "none";
}

function ShowSNL()
{
	  var subscribediv = document.getElementById("snldiv");
	  subscribediv.style.display = "block";
}

String.prototype.trim = function() { return this.replace(/^\s+|\s+$/, ''); };

function NLSubscribe()
{
	  var username = document.getElementById("snlname").value;
	  var useremail = document.getElementById("snlemail").value;

	  if(username.trim().length == 0)
	  {
	      alert('Please enter your name');
	      return;
	  }

	  if(useremail.trim().length == 0)
	  {
	      alert('Please enter an e-mail address');
	      return;
	  }
	  else if(!useremail.match(".+@.+\\.+"))
	  {
	  	  alert('Please enter a valid e-mail address');
	  	  return;
	  }

    window.location="nlsubscribe.php?name=" + username + "&email=" + useremail;
	  	  
}