function validateEmail(txtEmail) {
	if(txtEmail.length > 0 && txtEmail.indexOf("@") > 0 && txtEmail.indexOf(".") > 0 && txtEmail.indexOf(" ") == -1) {
		// Check for one @
		if(txtEmail.indexOf("@") != txtEmail.lastIndexOf("@")) {
			return false;
		}

		for(i=0; i<txtEmail.length; i++) {
			if(txtEmail.charCodeAt(i) < 45 || txtEmail.charCodeAt(i) == 47) {
				return false;
			}
			if(txtEmail.charCodeAt(i) >= 58 && txtEmail.charCodeAt(i) < 64) {
				return false;
			}
			if(txtEmail.charCodeAt(i) >= 91 && txtEmail.charCodeAt(i) < 95 || txtEmail.charCodeAt(i) == 96) {
				return false;
			}
			if(txtEmail.charCodeAt(i) >= 123) {
				return false;
			}
		}

		emailArray = txtEmail.split("@");
		userName = emailArray[0]
		domain = emailArray[1]

		if(userName.length == 0 || domain.length == 0) {
			return false;
		}

		if(domain.indexOf(".") <= 0) {
			return false;
		}

		if(domain.lastIndexOf(".") == (domain.length - 1)) {
			return false;
		}

		return true;
	}
	else {
		return false;
	}
}

function validateYear(txtYear) {
	if (txtYear.length > 0) {
		for (i=0; i<txtYear.length; i++) {
			var c = txtYear.charAt(i);
			if ((c <'0') || (c > '9')) {
				return false;
			}
		}
	}
	return true;
}