function tgl(el, force, tOut) {
	var t=typeof(el)=='string'?document.getElementById(el):el;
	if(tOut===false)
		clearTimeout (t.tID);
	//alert('tgl::\nel:'+el+'\nforce:'+force+'\ntOut:'+tOut);
	if (typeof(tOut)=='number') 
		t.tID=setTimeout('tgl("'+el+'","'+force+'")', tOut); //only works with el strings
	else
		t.style.display=force?force:(t.style.display=='none'?'block':'none');
}