function trimspaces(x) {
	var doagain = 0;
	if (x.value.charAt(0) == " ") {
		x.value = x.value.substring(1,x.value.length);
		doagain = 1;
	} else if (x.value.charAt(x.value.length - 1) == " ") {
		x.value = x.value.substring(0,x.value.length - 1);
		doagain = 1;
	}
	if (doagain) {
		trimspaces(x);
	}
}

function validateform() {
	with (document.passwordform) {
		if (email.value.length == 0) {
			alert('Please enter your email address.');
			return false;
		}
	}
	return true;
}