function checkForm() {

var emailRegex = /^.+\@.+\..+$/;
missinginfo = "";

if (document.form.name.value == "") {
    missinginfo += "\n     -  Your Name";
}

if (document.form.email.value == "") {
    missinginfo += "\n     -  Your Email Address";
} else {
	value = document.form.email.value;
	
	if (!emailRegex.test(value)) {
        missinginfo += "\n     -  Your Email Address is not of the correct format";
		missinginfo += "\n           e.g.    example@example.com";
    }
}

if (document.form.telephone.value == "") {
    missinginfo += "\n     -  Your Telephone Number";
}


if (document.form.notes.value == "") {
    missinginfo += "\n     -  Your Notes";
}


if (missinginfo != "") {
    missinginfo ="_____________________________\n" +
    "You failed to correctly fill in :\n" +
    missinginfo + "\n_____________________________" +
    "\nPlease re-enter and submit again!";
    
	alert(missinginfo);
    return false;
}
    else return true;
}