function highlow() {
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function besure(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=besure(n,d.layers[i].document); return x;
}

function lowhigh() {
  var i,j=0,x,a=lowhigh.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=besure(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function vorladen() {
  var d=document; if(d.images){ if(!d.vorp) d.vorp=new Array();
    var i,j=d.vorp.length,a=vorladen.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.vorp[j]=new Image; d.vorp[j++].src=a[i];}}
}

	function winauf() {
		var transmitter = arguments[0];
		for(i=1; i<arguments.length; ++i) {
			i==1 ? transmitter += '?' : transmitter += '&';
			transmitter += 'wert' + i + '=' + escape(arguments[i]);
		}
		popup = window.open(transmitter, 'aufgeh', 'resizable=yes,width=50,height=50');
		popup.focus();
	}

	function schlaf(Ziel) {
		Tipp = window.open(Ziel,"Tipp","width=400,height=410,hotkeys=0,menubar=0,locationbar=0,resizable=0,status=0,scrollbars=1");
		Tipp.focus();
	}

	
	/**
	 * Popup-Fenster oeffnen:
	 * - zentrierte ausgabe
	 * - erlaubt den Zugriff auf Elemente des Hauptfensters
	 *
	 * @param String url - Link zum Dokument
	 * @param Integer _x	- Bildbreite - default:150
	 * @param Integer _y	- Bildbreite - default:150
	 * @author fm@medienwerkbank.de
	 * @see http://developer.irt.org/script/338.htm
	 * @example umv:admin.umv.blzsearch.php:js:absend()
	 * @since 2004-02-19
	 * @Changed $Rev 2005-01-12 $ imagehandling	 
	 */
var myPopup = '';
function openpopup(url,_x,_y)
{
	if(_x==null) {_x = 350;}
	if(_y==null) {_y = 350;}
	var mybild = new Image();
 		 mybild.src = url;

	if(mybild.width && mybild.height)
	{
		var Rand = new Array(50,50,20,20);
		var Browser = navigator.appName;
		var IsNS  = (Browser.indexOf("Netscape") != -1);
	
		_x = mybild.width  + (IsNS?Rand[2]:Rand[0]);
		_y = mybild.height + (IsNS?Rand[3]:Rand[1]);
	}
	
	var startx = (screen.width-_x)/2;
	var starty = (screen.height-_y)/2;
	var param  = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width="+_x+",height="+_y+",left="+startx+",top="+starty;

/*	if(mybild.width && mybild.height)
	{
		myPopup = window.open("_blank","popwin",param);
		myPopup.document.writeln("<html><head><title>:: Bild ::</title></head><body onClick=\"window.close();\"><img src=\"" + url +"\" border=\"0\"/></body></html>");
	}		
	else
*/	
		myPopup = window.open(url,"popwin",param);
	
	
   if (!myPopup.opener) myPopup.opener = self;	
}
	

