function checkPass() {
    var pass = document.forms[0].passwd.value;
    var cpass = document.forms[0].cpasswd.value;
    if(pass != cpass) {
        alert("passwords do not match");
        return false;
    } else
        return true;
}

function checkEntries(tthis) {
    if(!tthis.userid.value) {
        alert('Please enter Username');
        return false;
    } else if(!tthis.password.value) {
        alert('Please enter Password');
        return false;
    } else if(!tthis.email.value) {
        alert('Please enter Email');
        return false;
    } else return true;
}

function open_window(url) {
    window.open(url,'view','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=700,height=500');
    return false;
}

function ban(visibility) {
    var val;
    if(visibility) 
        val="visible";
    else {
        val="hidden";
        document.forms[0].banner.options[0].selected = true;
    }
    document.forms[0].banner.style.visibility = val;
}