//////////////////////////// This function checks the email comment form //////////////////////////////////
function validateSignupForm(signup)
{

checkEmail = document.forms.signup.email.value

if ((checkEmail.indexOf('@') < 0) || ((checkEmail.charAt(checkEmail.length-4) != '.') && (checkEmail.charAt(checkEmail.length-3) != '.'))) 
{
alert("You have entered an invalid email address. Please try again.");
document.forms.signup.email.focus();
return false;
}

if(""==document.forms.signup.fname.value)
{
alert("Please enter your first name");
document.forms.signup.fname.focus();
return false;
}

if(""==document.forms.signup.lname.value)
{
alert("Please enter your first name");
document.forms.signup.lname.focus();
return false;
}

}