function sendEmail(user,domain) {
	parent.location.href = "mailto:" + user + "@" + domain;
}

function popWindow(url,width,height) {
	window.open(url,'paypal','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,width='+width+',height='+height);
}

function submitForm(id,close) {
 	document.getElementById(id).submit();
 	
 	if (close) {
 		window.close();           	
	}
}

function addTax(id) {

	// Calculate Tax, if necessary @ 6.313%
	addTax = document.getElementById('paypalAddTax').value;

	if (addTax == "on") {
		amount = document.getElementById("paypalAmount").value;
		tax = .06313 * amount;
		document.getElementById("paypalTax").value = tax;
	}

	submitForm(id);
	
}