function validate_email()
{
    valid = true;
	
	if ( valid == true ) {
		
		email = document.forms.offers_form.email.value
		AtPos = email.indexOf("@")
		StopPos = email.lastIndexOf(".")
		Message = "Please enter a valid email address."
		
		if (email == "") {
			Message = "Please enter a valid Email address" + "\n"
			valid = false;
		}
		
		if (AtPos == -1 || StopPos == -1) {
			valid = false;
		}
		
		if (StopPos < AtPos) {
			valid = false;
		}
		
		if (StopPos - AtPos == 1) {
			valid = false;
		}
		
		if ( valid == false ) {
		alert ( Message );
		}
		
	}
	
    return valid;
}

function validate_removeemail()
{
    valid = true;
	
	if ( valid == true ) {
		
		email = document.forms.removeemail.email.value
		AtPos = email.indexOf("@")
		StopPos = email.lastIndexOf(".")
		Message = "Please enter a valid email address."
		
		if (email == "") {
			Message = "Please enter a valid Email address" + "\n"
			valid = false;
		}
		
		if (AtPos == -1 || StopPos == -1) {
			valid = false;
		}
		
		if (StopPos < AtPos) {
			valid = false;
		}
		
		if (StopPos - AtPos == 1) {
			valid = false;
		}
		
		if ( valid == false ) {
		alert ( Message );
		}
		
	}
	
    return valid;
}