/* počítadlo zadaného textu */
function countText(formName,countName,displayName,countBase) {
    form = document.forms[formName];
    form.elements[displayName].value = countBase - form.elements[countName].value.length;
    if( form.elements[displayName].value < 0 ) {
	form.elements[displayName].style.color = "red";
	form.elements[displayName].style.fontWeight = "bold";
    }
    else {
	form.elements[displayName].style.color = "black";
	form.elements[displayName].style.fontWeight = "normal";
    }
}
/* zobrazí info o uživateli/autorovy */
function showInfo() {

}