function _createXMLHttpRequest() {
      try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}
      try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
      try { return new XMLHttpRequest(); } catch(e) {}
      alert("XMLHttpRequest not supported");
      return null;
};

var web = {
	
	changeHeader: function (Id, type, back)
	{
		if(type)
		{
			var obj = _createXMLHttpRequest();
		
			obj.open('GET', 'mod_katalog_getHeader.php?pid='+Id+'&type='+type+'&back='+back , true);		
			obj.onreadystatechange = function (){
				if (obj.readyState == 4 && obj.status == 200)
				{
					
		 			$$$("title").innerHTML = obj.responseText;
  				}	
			}
			obj.send(null);
		}
		else
		{
			$$$("title").innerHTML = Id;
		}
	}
};