function validatecontact(form){
   
    if (form.name.value==""){
        alert("Please enter your name");
        form.name.focus();
        return false;
    }
    else if (form.email.value.indexOf('@')==-1 || form.email.value.indexOf('.')==-1){
        alert("Email address doesn't seem to be valid, please enter a valid email address");
        form.email.focus();
        return false;
    }
    else if (form.hear.value==""){
        alert("Please select how you hear about us");
        form.hear.focus();
        return false;
    }
    else if (form.type.value==""){
        alert("Please select the type of enquiry");
        form.type.focus();
        return false;
    }
    else if (form.comments.value==""){
        alert("You don't appear to have left any comments");
        form.comments.focus();
        return false;
    }
    return true;
}