function popUpper(URL,sx,sy) {
	var screenBreite=screen.width;
	var screenHoehe=screen.height;
	var popUpperX=(screenBreite/2)-300;
	var popUpperY=(screenHoehe/2)-163;
	popUpperAttr="width="+sx+",height="+sy+",scrollbars=no,top="+popUpperY+",left="+popUpperX;
	var Fenster = window.open(URL,'produkte',popUpperAttr);Fenster.focus();
}