function toggle(target){
    obj = document.getElementById(target);
    obj.style.display = (obj.style.display=='none') ? 'inline' : 'none';
}

function popdown(name) {
	var e = document.getElementById(name);
	var search = document.getElementById('select_lang');
	var leftpx = fetch_object_posleft(search);
	var toppx = fetch_object_postop(search);

	toppx = toppx+22;

	e.style.position = "absolute";
	e.style.left = leftpx+'px';
	e.style.top = toppx+'px';
	e.style.display = (e.style.display == 'block') ? 'none' : 'block';
}

function fetch_object_posleft(elm){
	var left = elm.offsetLeft;
	while((elm = elm.offsetParent) != null)
	{
		left += elm.offsetLeft;
	}

	return left;
}

function fetch_object_postop(elm){
	var top = elm.offsetTop;
	while((elm = elm.offsetParent) != null)
	{
		top += elm.offsetTop;
	}
	return top;
}