function openWindow(dir, name, width, height, scroll)
{
	dirName=dir
		// zusätzliche Parameter für Positionierung:
		// screenX=0,screenY=0, top=0, left=0,
	param= "width="+width+",height="+height+",locationbar=no, menubar=no, status=no";
	if(scroll)
		param+=",scrollbars=yes"
	winName= name.replace(/ /,"_")
	window.open(dirName, winName, param);
}