<!--
function hideobject(num) {
  var div_num = 'div'+num;
  if (document.getElementById(div_num)) document.getElementById(div_num).className = 'invisible_block';
}

function showobject(num) {
  var div_num = 'div'+num;
  if (document.getElementById(div_num))document.getElementById(div_num).className = 'visible_block';
}

function mail_address(user,domain,zone) {
document.write(user+'@'+domain+'.'+zone);
}

function mail_send(user,domain,zone) {
document.location.href = 'mailto:'+user+'@'+domain+'.'+zone;
}


function window_open(url,sizex,sizey,target,scrollb) {
var target,scrollb;
if (!scrollb) scrollb=0;

window.open (url, target, 'Toolbar=0, Titlebar=0, Location=0, Directories=0, Status=0, Menubar=0, Scrollbars='+scrollb+', Resizable=0, Copyhistory=1, width='+sizex+',height='+sizey);
}

function showblock(block) {
  var div_id = document.getElementById(block);
  if (div_id) {
    if (div_id.className == 'invisible_block') div_id.className = 'visible_block';
    else {div_id.className = 'invisible_block'}
  }
}

// -->