var osote="http://"+document.domain+"/"

function valikko(a,b){
var urli=""
urli=location.href.split("?")



var url= osote+"read_kategoriat2.php?" + a
if (a)
makeRequest(url+"&ch="+b,0)
}

function alavalikko(a,b){

makeRequest("del_cookie.php"+"?ch="+b,osote+"products.php?"+a)
}

function makeRequest(url,val) {
        var http_request = false

        if (window.XMLHttpRequest) { // Mozilla, Safari, ...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
                // See note below about this line
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            //alert('Giving up :( Cannot create an XMLHTTP instance');
            return false
        }
        http_request.onreadystatechange = function() {
alertContents(http_request,val); }
        http_request.open('GET', url, true)
        http_request.send(null)

    }

function alertContents(http_request,val) {
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {

if (val==0){
var rt=http_request.responseText
document.getElementById('oikeamenu').innerHTML=rt}
else
window.location=val

           } else {
                //alert('There was a problem with the request.');
            }
        }

    }