function fenster(url,name,breite,hoehe)
{
var name;
var url;
var width = breite;
var height = hoehe;
var l = (screen.Width - width) / 2;
var t = (screen.Height - height) / 2;
newwindow = window.open(url,name,"width="+breite+",height=" +hoehe+",screenX="+l+",screenY="+t+",left=" +l+",top="+t+",scrollbars=0,resizable=0,menubar=no");
newwindow.focus();
}

function new_window(url,name,breite,hoehe)
{
var name;
var url;
var width = breite;
var height = hoehe;
var l = (screen.Width - width) / 2;
var t = (screen.Height - height) / 2;
newwindow = window.open(url,name,"width="+breite+",height=" +hoehe+",screenX="+l+",screenY="+t+",left=" +l+",top="+t+",scrollbars=1,resizable=1,menubar=yes");
newwindow.focus();
}