function detectEnter(event, path_depth)
{
	if(event.keyCode == 13)
	{
		manage_messages(path_depth);
	}
}
function manage_messages(path_depth)
  {
  var xmlHttp;
  try
    {
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        alert("A böngésződ nem képes az AJAX technológia használatára!\nFrissítsd, hogy használhasd az üzenőfalat!");
        return false;
        }
      }
    }
    xmlHttp.onreadystatechange=function()
      {
      if(xmlHttp.readyState==4)
        {
        document.getElementById("messages").innerHTML=xmlHttp.responseText;
        document.message_board.message_sent.disabled = false;
        }
      }
    document.message_board.message_sent.disabled = true;
    var path = "";
    for(i=0;i<path_depth;i++)
    {
    	path = path+"../"
    }
    xmlHttp.open("post",path+"message_board/manage_messages.php",true);
    xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=ISO-8859-2");
    xmlHttp.send("message=" + encodeURIComponent(document.message_board.message.value));
    document.message_board.message.value="";
  }