function geckoTrap()
{	// apply vertical scrollbar for geckos and opera
	// only necessary for layout table CENTERED
	var browser = navigator.userAgent.toLowerCase();
	if (browser.indexOf("gecko") != -1 || browser.indexOf("opera") != -1)
		document.write('<DIV STYLE="height: 500px;">&nbsp;</DIV>.');

	//document.write('<hr><center><FONT COLOR=red>!! debug !!</FONT><p>&nbsp;</center>');
}

function detail(img, width, height)
{	// open a new window with variable dimensions
	//window_specs = '"datei.htm","","width=200,height=200"';

	//detail = window.open(window_specs);

	detail = window.open("","","width=400,height=200,left=20,top=20");
	detail.focus();
	detail.document.write('[ <a href="javascript:window.close();">close window</a> ]');
}