var enable = function onsubmit(event) {
  sendemail(this.email.value);return false
}
var disable = function onsubmit(event) {
  return false
}
function sendemail(email){
	$('#submitbutton').attr('disabled', 'disabled');
	document.getElementById("contest").onsubmit = disable;
	$("#eResponse").fadeOut('normal');
	$("#eResponse").load("emailsend.php?email="+email,function(a) {
	$("#eResponse").fadeIn('normal');
	if (a.indexOf("That seems to be an invalid email, try again.") != -1) {
		$('#submitbutton').removeAttr('disabled');
		document.getElementById("contest").onsubmit = enable;
	}
	else {
		$("#contestform").hide();
	}
});
}