var elem;

function add_banner(idk)
{
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	{
	  alert ("Browser does not support HTTP Request");
	  return;
	}

	elem=element;
	
	var url="a_banner_kat.php";
	url=url+'?id_kat='+idk;
	xmlhttp.onreadystatechange=hodnoceniHotovo;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function doVote(star, element, idk)
{
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	{
	  alert ("Browser does not support HTTP Request");
	  return;
	}

	elem=element;

	var url="anketa.php";
	url=url+"?q="+star+'&ank='+element+'&id_kat='+idk;
	xmlhttp.onreadystatechange=hodnoceniHotovo;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function zvol(star, element, idk)
{
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	{
	  alert ("Browser does not support HTTP Request");
	  return;
	}

	elem=element;

	var url="anketa.php";
	url=url+"?v="+star+'&ank='+element+'&id_kat='+idk;
	xmlhttp.onreadystatechange=hodnoceniHotovo;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function hodnoceniHotovo()
{
	if (xmlhttp.readyState==4)
	{
		document.getElementById(elem).innerHTML=xmlhttp.responseText;
	}
}

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
	{
		// code for IE7+, Firefox, Chrome, Opera, Safari
		return new XMLHttpRequest();
	}
	if (window.ActiveXObject)
	{
		// code for IE6, IE5
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}