var flastScrollY = 0;
function scroll()
{
    var div = document.getElementById('again');
	var scrollY = document.documentElement.scrollTop;
	var percent = 0.1*(scrollY - flastScrollY);
	
	if(percent > 0){ percent = Math.ceil(percent);}
	else{ percent = Math.floor(percent);}

    div.style.top = parseInt(div.style.top)+percent;
  	flastScrollY = flastScrollY + percent;
	
    var div1 = document.getElementById('again1');
	if(percent > 0){ percent = Math.ceil(percent);}
	else{ percent = Math.floor(percent);}

    div1.style.top = parseInt(div1.style.top)+percent;

	div.mert = setTimeout("scroll()",10);
}

function click_close(a)
{
  var again = document.getElementById(a);
  again.style.display = 'none';
}

window.onload = function()
{
 scroll();
}