function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

function setX(coID,kam) {
        var co = document.getElementById(coID);

	var pos = findPos(kam);
	co.style.left = (pos[0]-2) + 'px';
        co.style.position = 'absolute';
}

function odsadMenu() {
        var tagy = document.getElementsByTagName('a');
        var i=0;
        while( (i < tagy.length) && (tagy[i].className.search('akt_hl')==-1) ) i++;
        if(i < tagy.length) {
                document.getElementById('submenu21').style.display = 'inline';
                setX('submenu22',tagy[i]);
        }
}

function prepniID(ID) {
    co = document.getElementById( ID );
    if( co.style.display != 'none' )
        co.style.display = 'none';
    else
        co.style.display = 'block';
}