function hfdvk_popup(url) {
	breite = 600;
	hoehe = 480;
    var links=screen.width/2-breite/2;
    var oben=screen.height/2-hoehe/2;
    name="hfdvk_popup";
    var newwin = window.open(url,name,"toolbar=0,menubar=0,location=0,status=0,scrollbars=1,resizable=0,width="+breite+",height="+hoehe+",top="+oben+",left="+links);
    if(version > 1.0)
    {
        setTimeout('newwin.focus();',200);
    }
}