var forAktiverad = null;

function getElementsBySelector(selector){
var i;
var s=[];
var selid="";
var selclass="";
var tag=selector;
var objlist=[];
if(selector.indexOf(" ")>0){  //descendant selector like "tag#id tag"
    s=selector.split(" ");
    var fs=s[0].split("#");
    if(fs.length==1) return(objlist);
    return(document.getElementById(fs[1]).getElementsByTagName(s[1]));
    }
if(selector.indexOf("#")>0){ //id selector like "tag#id"
    s=selector.split("#");
    tag=s[0];
    selid=s[1];
    }
if(selid!=""){
    objlist.push(document.getElementById(selid));
    return(objlist);
    }
if(selector.indexOf(".")>0){  //class selector like "tag.class"
    s=selector.split(".");
    tag=s[0];
    selclass=s[1];
    }
var v=document.getElementsByTagName(tag);  // tag selector like "tag"
if(selclass=="")
    return(v);
for(i=0;i<v.length;i++){
    if(v[i].className==selclass){
        objlist.push(v[i]);
        }
    }
return(objlist);
}

function kopplaMus(id)
{
	Event.observe(id, 'mouseover', function(){
		$(id).className="toppmenydiv_hover";
		if ($(id) != forAktiverad) forAktiverad.className = "toppmenydiv";
	}, false);
	Event.observe(id, 'mouseout', function(){
		if ($(id) != forAktiverad)
			{
				$(id).className="toppmenydiv";
				forAktiverad.className = "toppmenydiv_hover";
			}
	}, false);
}

function startaToppMeny()
{
	var els = getElementsBySelector("div.toppmenydiv");
	forAktiverad = getElementsBySelector("div.toppmenydiv_hover")[0];
	els[els.length] = forAktiverad;
	for (var i=0; i<els.length; i++)
		{
			var id = "toppmenydiv_" + i;
			els[i].id = id;
			kopplaMus(id);
		}
}

inits[inits.length] = startaToppMeny;