document.getElementsByClassName = function (needle)
{
  var         my_array = document.getElementsByTagName("*");
  var         retvalue = new Array();
  var        i;
  var        j;

  for (i = 0, j = 0; i < my_array.length; i++)
  {
    var c = " " + my_array[i].className + " ";
    if (c.indexOf(" " + needle + " ") != -1)
      retvalue[j++] = my_array[i];
  }
  return retvalue;
}
function addEvent(obj, evType, fn)
{
	if (obj.addEventListener)
	{
		obj.addEventListener(evType, fn, true);
		return true;
	} 
	else if (obj.attachEvent)
	{
		var r = obj.attachEvent("on"+evType, fn);
		return r;
	} 
	else 
	{
		return false;
	}
}



function is_loaded() {
	if (document.getElementById){
		document.getElementById('preloader').style.visibility='hidden';

						
			writeF();
		}else{
	if (document.layers){ //NS4
		document.preloader.visibility = 'hidden';
			
			writeF();
		}else { //IE4
		document.all.preloader.style.visibility = 'hidden';
			
			writeF();
		}
	}
	}
//-->