// JavaScript Document
var IE = document.all?true:false;

function showMessage(msg) 
{
//  if(!document.getElementById('SystemMessage')){}
//    createMessageWindow();
  if(IE)
  {
    var poz_y = (document.documentElement.scrollTop + 150) + 'px';
  }
  else 
  {
    var poz_y = (window.pageYOffset + 150) +'px';
  }
 
  var poz_x = ((document.body.clientWidth/2)-190) +'px';
  document.getElementById("SystemMessage").style.left = poz_x;
  document.getElementById("SystemMessage").style.top = poz_y;
  document.getElementById('SystemMessage').style.display = "block";
  document.getElementById('SystemMessageTxt').innerHTML = msg;
  
  document.getElementById('SystemMessage').czas = setTimeout('hideDivTime(\'SystemMessage\', 0)', 10000);

}

function HideMessage() 
{
  document.getElementById('SystemMessage').style.display = "none";
}

function hideDivTime(d, t) 
{
  var div = document.getElementById(d);

  div.style.display = "none";

  if (t==0)
    clearTimeout(div.czas);
  else
    div.czas = setTimeout('showHideDivTime("'+d+'", 0)', t);
}

function createMessageWindow()
{
  var body=document.body;
  //var body=document.getElementsByTagName('body')[0];
  var sm=document.createElement('div');
  sm.id='SystemMessage';
  body.appendChild(sm);
  var smt=document.createElement('div');
  sm.id='SystemMessageText';
  sm.appendChild(smt);
  var smc=document.createElement('div');
  sm.id='SystemMessageClose';
  sm.appendChild(smc);
  var sm_a=document.createElement('a');
  sm_a.href='javascript:HideMessage();';
  sm_a.innerHTML='zamknij';
}