// checkform

    function checkform (form)
    {
	if (form.text && form.text.value == "")
	{
    	    form.text.focus();
    	    return false;
	}

        if (form.author && form.author.value == "")
	{
    	    form.author.focus();
    	    return false;
    	}

	if (form.access && form.access.value == "")
	{
    	    form.access.focus();
    	    return false;
	}

	return true;
    }

    // toggle

    function toggle(obj)
    {
	var elstyle = document.getElementById(obj).style;
	var text = document.getElementById(obj + "tog");

	if (elstyle.display == 'none') 
	{
	    elstyle.display = 'block';
	    text.innerHTML = "×";
	} else {
	    elstyle.display = 'none';
    	    text.innerHTML = "•";
	}
    }