function validEmail(email) {return true;}
function signup()
{
	var name = $('name').value;
	var email = $('email').value;
	if(validEmail(email))
	{
		var url = "signup.php";
		var myAjax = new Ajax.Request( 
				url, 
				{
					method: 'post',
   				    parameters: 'name=' + name + '&email=' + email,
					onComplete: function(originalRequest){
						$('signup').innerHTML = "<h1>Done!</h1><P><P><P><font size='3'>Thank you! An invitation will be sent to you soon.</font>";
					}
				});		
	}
}

var Rules = {
	"input#name:focus" : function(nameInput){
		if(nameInput.value=="Your Name") nameInput.value = "";
	},
	"input#email:focus" : function(emailInput){
		if(emailInput.value=="Your Email") emailInput.value = "";
	},
	"input#name:blur" : function(nameInput){
		if(nameInput.value.replace(/\s+/, "")=="") nameInput.value = "Your Name";
	},
	"input#email:blur" : function(emailInput){
		if(emailInput.value.replace(/\s+/, "")=="") emailInput.value = "Your Email";
	}
}
Event.observe(window, "load",
	function(){
		EventSelectors.start(Rules);
	}
);