function ajax(stranka, kam)
{

    var httpRequest;
    
    if(typeof window.ActiveXObject != 'undefined')
    {
        httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else
    {  
        httpRequest = new XMLHttpRequest();
    }
    httpRequest.open("GET", stranka, true);
    httpRequest.onreadystatechange= function () 
    {
        processRequest(httpRequest, kam) 
    };
    httpRequest.send(null);
}


function processRequest(httpRequest, kam) 
{
    if (httpRequest.readyState == 4)
    {
        if(httpRequest.status == 200)
        {
            if (typeof kam == 'string') 
            {
                document.getElementById(kam).innerHTML = httpRequest.responseText;
            }
            if (typeof kam == 'function') 
            {
                kam(httpRequest.responseText);
            }
        }
        else
        {
            alert("Chyba pri nacitani stanky " + httpRequest.status +" : "+ httpRequest.statusText);
        }
    }
    else
    {
        if (typeof kam == 'string' && kam != '') 
        {
            document.getElementById(kam).innerHTML = ' ... nacitam ...';
        }
    }
       
} 

function vystup(msg)
{
    alert(msg);
}

function antispam(cislo) {
	document.getElementById('spaf').value=cislo/2;
	document.getElementById('spint').innerHTML=cislo/2;
	document.getElementById('sptr').style.display='none';
	
	document.getElementById('spaf2').value=cislo/2;
	document.getElementById('spint2').innerHTML=cislo/2;
	document.getElementById('sptr2').style.display='none';
}

	function setstars(kolik) {
		for (i=1;i<=5;i++) {
			var fna = 's' + i;
			if (kolik>=i) {
				document.getElementById(fna).src = './img/star_active_ico.png';
			} else {
				document.getElementById(fna).src = './img/star_inactive_ico.png';
			}
		}	
	}
	
	
navHover = function() {
	var lis = document.getElementById("navmenu").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis.onmouseover=function() {
			this.className+=" iehover";
		}
		lis.onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", navHover);