function popup (filename, windowname,x,y) {
	//if (newswindow.closed == true)  alert ("Fenster wurde geschlossen"); else window.newswindow.close();
	newwindow=window.open(filename,windowname,"toolbar=no, directories=no,scrollbars=yes,width="+x+",height="+y+",resizable=yes");
	newwindow.focus();
	return;
}

function popupfix (filename, windowname,x,y) {
	//if (newswindow.closed == true)  alert ("Fenster wurde geschlossen"); else window.newswindow.close();
	newwindow=window.open(filename,windowname,"toolbar=no, directories=no,scrollbars=no,width="+x+",height="+y+",resizable=no");
	newwindow.focus();
	return;
}