function init()
{
  var md = document.getElementById('maindiv');
  var td = document.getElementById('trescdiv').style.height;
  var db = document.getElementById('divbt');
  var ft = document.getElementById('footdiv');   
  if(window.innerWidth)
  {
    docwidth=(window.innerWidth)/2 - 400;
  }
  else if(document.body.clientWidth&&document.all&&!document.documentElement.clientHeight)
  {
    docwidth=(document.body.clientWidth)/2 - 400;
  }
  else if(document.all&&document.documentElement.clientHeight)
  {
    docwidth=(document.documentElement.clientWidth)/2 - 400;
  }
  md.style.left=docwidth+"px";
  md.style.height=parseInt(td)+290+"px";
  db.style.top=parseInt(md.style.height)+25+"px";
  ft.style.top = parseInt(td)+250+"px";  
  md.style.visibility = 'visible';
  for (var n_order = 0; n_order < p.a_children.length; n_order++)
	p.a_children[n_order].e_oelement.style.visibility = 'visible';
	
}

function check_browser()
{
  if (navigator.userAgent.indexOf("Opera")!=-1)
    browser="Opera";
  else if (navigator.userAgent.indexOf("Gecko")!=-1) 
  {
    if (navigator.userAgent.indexOf("Safari")!=-1)
      browser="Safari"; 
    else
      browser="Mozilla";
  }
  else if (navigator.userAgent.indexOf("MSIE")!=-1) 
    browser="MSIE";
  else if (navigator.userAgent.indexOf("Konqueror")!=-1)
    browser="Konqueror";
  else if (document.getElementById && document.getElementByTagName)
    browser="Nieznany_ale_z_DOM";
  else if (document.layers)
    browser="Netscape4";
  else
    browser="Nieznany_bez_DOM";
  return browser;
}

function br()
{  
  if(check_browser()=='MSIE')
  {
    document.write("<br/>");	  
  }
}