function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}


function kalender(month, year, langu, redd) {
    http.open('get', redd+'/kalender_visa.php?month='+month+'&year='+year+'&langu='+langu+'&redd='+redd);
    http.onreadystatechange = handleResponse_kal;
    http.send(null);
}

function skifta(id) {
if(document.getElementById(id).style.display == 'none') {
document.getElementById(id).style.display = 'block';
} else {
document.getElementById(id).style.display = 'none';
}
}

function handleResponse_kal() {
    if(http.readyState == 4){
        var response = http.responseText;
        var update = new Array();

        if(response.indexOf('|' != -1)) {;
            document.getElementById('kalender').innerHTML = response;
        }
    }
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function openup(redd, id) {
window.open(redd+'/nyhet_visa.php?id='+id, 'hej', 'toolbars=0, scrollbars=1, location=0, statusbars=0, menubars=0, resizable=1, width=300, height=300 left = 200, top = 100');
}

<!-- 
function blured()
{
for (a in document.links) document.links[a].onfocus = document.links[a].blur;
}
if (document.all)
{
document.onmousedown = blured;
}
// -->

function popup(id,width,height) 
{
 var left   = (screen.width - width)/2;
 var top    = (screen.height - height)/2;
 var params = 'width='+width+', height='+height;
 params += ', top='+top+', left='+left;
 params += ', directories=no';
 params += ', location=no';
 params += ', menubar=no';
 params += ', resizable=no';
 params += ', scrollbars=no';
 params += ', status=no';
 params += ', toolbar=no';
 newwin=window.open('http://bergstromsmalerifalun.se/ref_bild.php?id='+id,'Bergstrom', params);
 if (window.focus) {newwin.focus()}
 return false;
}

function bild(bild) 
{
var newImg = new Image();
newImg.src = 'http://bergstromsmalerifalun.se/images/'+bild;
var height = newImg.height;
var width = newImg.width;
 var left   = (screen.width - width)/2;
 var top    = (screen.height - height)/2;
 var params = 'width='+width+', height='+height;
 params += ', top='+top+', left='+left;
 params += ', directories=no';
 params += ', location=no';
 params += ', menubar=no';
 params += ', resizable=no';
 params += ', scrollbars=no';
 params += ', status=no';
 params += ', toolbar=no';
 newwin=window.open('http://bergstromsmalerifalun.se/bild.php?bild='+bild,'Bergstrom', params);
 if (window.focus) {newwin.focus()}
 return false;
}