function checkform ( form )
{

	if (form.subscriber_email.value == "") {
        alert( "Please enter your e-mail address." );
        form.subscriber_email.focus();
        return false ;
    }
	
	if (form.subscriber_fname.value == "") {
        alert( "Please enter your first name." );
        form.subscriber_fname.focus();
        return false ;
    } 	
		
	if (form.subscriber_lname.value == "") {
        alert( "Please enter your last name." );
        form.subscriber_lname.focus();
        return false ;
    } 	
	
	if (form.subscriber_zip.value == "") {
        alert( "Please enter your zip code." );
        form.subscriber_zip.focus();
        return false ;
    }

	var elcnt = form.elements;
	for(i=0;i<elcnt.length;i++)
	{
	if(elcnt[i].name.indexOf("subscriber_email") != -1)
	{
		var elnt = elcnt[i]
		var mail = elnt.value.toLowerCase()
			
		if ((mail.indexOf("@") == -1) || (mail.indexOf(".") == -1))
			{
			alert("Your e-mail address is not properly formatted.\n Your address should read:\nYOUREMAIL@YOURDOMAIN.COM");
			elcnt[i].focus();
           	return false;
		}
		else
		{
		return true;
		}
	}	
	}
}