function displayWindow(url, width,height) {
        var Win = window.open(url,"displayWindow", 'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,menubar=no' );
}
function rozwin(id){
var stan = document.getElementById(id).style.display;
if(stan == 'block')
{
stan = document.getElementById(id).style.display = 'none';
}
else
{
stan = document.getElementById(id).style.display = 'block';
}
}

function print_email(user, site) {
  document.write('<a class="news" href=\"mailto:' + user + '@' + site + '\">');
  document.write(user+'@'+site+'</a>');
}