function EmailText(){
	if (document.getElementById("email").value == "")
		document.getElementById("email").value = "Enter Email Address";
	else if (document.getElementById("email").value == "Enter Email Address")
		document.getElementById("email").value = "";

}

function ajaxSetup()
{
    var xmlHttp;
    try
    {  
        // Firefox, Opera 8.0+, Safari
	    xmlHttp = new XMLHttpRequest();  
    }
    catch (e)
    {  
        // Internet Explorer  
	    try{    
		    xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");    
	    }
	    catch (e){    
		    try{      
  			    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
  		    }
		    catch (e){
  			    alert("Your browser does not support AJAX!");
  			    return false;
  		    }
	    }
    }
    return xmlHttp;
}
function signup()
{
	if (document.getElementById("email").value == "")
	{
		alert("Please enter your email address");
	}
	else if (document.getElementById("email").value == "Enter Email Address")
	{
		alert("Please enter your email address");
	}
	else
	{
    	var xmlHttp = ajaxSetup();
   		xmlHttp.onreadystatechange=function()
    	{
        	if(xmlHttp.readyState == 4)   // 4 = Completed
        	{
            	document.getElementById("newsletter").innerHTML = xmlHttp.responseText;
        	}
    	}
    	xmlHttp.open("GET","../includes/signup.php?email=" + document.getElementById("email").value, true);
    	xmlHttp.send(null);
	}

}