function ifpp() {
    if ((navigator.appName == 'Netscape') && (parseInt(navigator.appVersion) < 5)) return false;
    return document.getElementById; 
}

var lastDiv;
lastDiv = 'rpldiv';

function rreply(dvxid,rdate,rnum) {
    if (! ifpp() ) return true;

    var qr_div = document.getElementById('rpldiv');
    var cur_div = document.getElementById(dvxid);

    var date_field = document.getElementById('date');
    date_field.value = rdate;
    var num_field = document.getElementById('num');
    num_field.value = rnum;

    if (lastDiv == 'rpldiv') {
        qr_div.style.display = 'inline';
        shdiv(qr_div, cur_div);
    } else if (lastDiv != dvxid) {
          var last_div = document.getElementById(lastDiv);
          shdiv(last_div, cur_div);
          shdiv(qr_div, last_div);
    }

    lastDiv = dvxid;
    return false;
}



function shdiv (orig, tdiv) {
    var parent_node = orig.parentNode;
    var next_sibling = orig.nextSibling;
    tdiv.parentNode.replaceChild(orig, tdiv);
    parent_node.insertBefore(tdiv, next_sibling);
    return true;
}

function checkit()
{
if (( document.fo.name.value == '' ) | ( document.fo.text.value == '' ) | ( document.fo.email.value == '' ))
{
alert ('Пожалуйста, заполните все поля. Email отображаться не будет.');
return false;} 
}