//Funktion zum Zentrieren von Pupups --> Es werden drei Parameter an die Funktion übergebn: Breite des Pupups, Höhe des Pupups, URL/ Dateipfad, Name.

function center(w,h,url,n)
{
	l	= (screen.availWidth/2)-(w/2);		//horizontal zentrieren
	t	= (screen.availHeight/2)-(h/2);		//vertikal zentrieren
	win	= window.open(url,n,"width="+w+",height="+h+",left="+l+",top="+t+", status=no, resizable=yes, location=no, fullsize=yes, menubar=no, scrollbars=no");
	win.focus();
}

function txt_popup(w,h,url,n)
{
	l	= (screen.availWidth/2)-(w/2);		//horizontal zentrieren
	t	= (screen.availHeight/2)-(h/2);		//vertikal zentrieren
	win	= window.open(url,n,"width="+w+",height="+h+",left="+l+",top="+t+", status=no, resizable=no, location=no, fullsize=yes, menubar=no, scrollbars=yes");
	win.focus();
}