function createRequest(){var x;var browser = navigator.appName;if (browser == "Microsoft Internet Explorer"){x = new ActiveXObject("Microsoft.XMLHTTP");}else {x = new XMLHttpRequest();}return x;}

var http = createRequest();

function displayEmailRequest(){
	if (http.readyState == 4){
		var response = http.responseText;
		document.getElementById('emailBoxText').innerHTML = response;
	}
}

function submitEmail() {
	if (document.getElementById('newsletter_email').value=="" || document.getElementById('newsletter_email').value=="Enter Email Address"){alert("Please enter an email address");return false;}
	var parameters = "email_address="+document.getElementById('newsletter_email').value;
	http.onreadystatechange = displayEmailRequest;
	http.open('post', 'scripts/submit-email.php', true);
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http.setRequestHeader("Content-length", parameters.length);
    http.setRequestHeader("Connection", "close");
    http.send(parameters);
}

function clearField(obj){obj.value = "";}

function tributeIcon(obj){
	var contribute = obj.options[obj.selectedIndex].value;
	if (contribute=="YES"){
		document.getElementById('tributeIcon').style.display="block";
	}
	else{
		document.getElementById('tributeIcon').style.display="none";
	}
}

function checkTribute(){
	if (document.tributeForm.tribute_name.value==""){alert("Please enter a name");return false;}
	if (document.tributeForm.tribute_message.value==""){alert("Please enter a tribute");return false;}
	if (document.tributeForm.tribute_from.value==""){alert("Please enter a from name");return false;}
	if (document.tributeForm.tribute_address.value==""){alert("Please enter an address");return false;}
	if (document.tributeForm.tribute_city.value==""){alert("Please enter a city");return false;}
	if (document.tributeForm.tribute_state.value==""){alert("Please enter a state");return false;}
	if (document.tributeForm.tribute_zip.value==""){alert("Please enter a zipcode");return false;}
	if (document.tributeForm.tribute_email.value==""){alert("Please enter an email address");return false;}
}

function checkNewsletter(){
	if (document.newsletterSignupForm.mail_name.value==""){alert("Please enter your name.");return false;}
	if (document.newsletterSignupForm.mail_address.value==""){alert("Please enter your address.");return false;}
	if (document.newsletterSignupForm.mail_city.value==""){alert("Please enter your city.");return false;}
	if (document.newsletterSignupForm.mail_state.value==""){alert("Please enter your state/province.");return false;}
	if (document.newsletterSignupForm.mail_zip.value==""){alert("Please enter your zipcode.");return false;}
	return true;
}