function popup(uri)
{ 
  var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghiklmnopqrstuvwxyz";
  var randomString = '';
  for (var i = 0; i < 50; i++)
  {
    var rnum = Math.floor(Math.random() * chars.length);
    randomString += chars.substring(rnum,rnum+1);
  }
  window.open(uri,randomString);
}

function shoutbox_check()
{
  result = false;

  if( document.getElementById( 'shoutbox_name' ).value == '' )
  {
    alert( 'Please fill out a name !' );
  }
  else if( document.getElementById( 'shoutbox_name' ).value == 'Name' )
  {
    alert( 'Please fill out a real name !' );
  }
  else if( document.getElementById( 'shoutbox_message' ).value == '' )
  {
    alert( 'Please fill out a message !' );
  }
  else if( document.getElementById( 'shoutbox_message' ).value == 'Message' )
  {
    alert( 'Please fill out a real message !' );
  }
  else if(document.getElementById('shoutbox_name').value.length < 2 )
  {
    alert( 'The name you entered is to short !' );
  }
  else if(document.getElementById('shoutbox_name').value.length > 30 )
  {
    alert( 'The name you entered is to long !' );
  }
  else if(document.getElementById('shoutbox_message').value.length < 3 )
  {
    alert( 'The message you entered is to short !' );
  }
  else if(document.getElementById('shoutbox_message').value.length > 150 )
  {
    alert( 'The message you entered is to long !' );
  }
  else
  {
    result = true;
  }
  
  return result;
}