function checkForm() {
    var cf = document.contactForm;
    if(cf.name.value=='') {alert("Please enter a name."); cf.name.focus(); return false;}
    if(cf.phone.value=='') {alert("Please enter a phone number so we can contact you."); cf.phone.focus(); return false;}
    if(cf.email.value=='') {alert("Please enter an email address so we can email you."); cf.email.focus(); return false;}
    if(cf.zip.value=='') {alert("Pleaes enter a zip code so we know in which area you live."); cf.zip.focus(); return false;}
    if((cf.message.value=='') || (cf.message.value=='How may we help you?')) {
        if(confirm("You have not entered a message. Click OK to submt your information.  Click cancel to return to the form."))
            {return true;}
        else            
            {cf.message.focus(); return false;}
    }
    
return true;
}