function popUpWin (url, win, width, height, options) {
	var leftPos = (screen.availWidth - width) / 2;
	var topPos = (screen.availHeight - height) / 2;
	options += 'width=' + width + ',height=' + height + ',left=' + leftPos + ',top=' + topPos;
	window.open(url, win, options);
	if (window.focus==false) {window.focus();}
}

function LadeOrdnersystem (ordner_id,nodes) {
	popUpWin('ordnersys/ordnersys_idx.php?getpic=ja2&jump=' + ordner_id + '&nodes=' + nodes, 'Ordner', 800, 600, 'scrollbars=yes,');
}

function wegmitbild() {
	window.document.tf.bild_id.value='';
	window.document.tf.bild.src='ordnersys/img/empty.gif';
}

sfHover = function() {
	if (isNaN(document.getElementById("nav"))==false) {return;}
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function global_loeschen (link, typ) {
	var oe=String.fromCharCode(246);
	if (confirm("Wollen Sie "+typ+" wirklich l"+oe+"schen?")==true) {
		var fenster=popUpWin(link, "Loeschen", 50, 50, "");
		fenster.close();
		window.location.reload();
	}
}