function nextcata(idx) {
	//alert(idx)
	if (idx == null) {
		return "berg1097.html"
	}
	if (idx.indexOf("berg") > -1) {
		return "johnson.html"
	}
	else if (idx.indexOf("johnson") > -1) {
		return "weijburg/"
	}
	else if (idx.indexOf("weij") > -1) {
		return "../cyprianli.html"
	}
	else if (idx.indexOf("cyprian") > -1) {
		return "samet.html"
	}
	else if (idx.indexOf("samet") > -1) {
		return "endo0396.html"
	}
	else if (idx.indexOf("endo") > -1) {
		return "leib1096.html"
	}
	else if (idx.indexOf("leib") > -1) {
		return "tann0597.html"
	}
	else if (idx.indexOf("tann") > -1) {
		return "crmr0296.html"
	}
	else if (idx.indexOf("crmr") > -1) {
		return "dt1095.html"
	}
	else if (idx.indexOf("dt1095") > -1) {
		return "williambock/"
	}
	else if (idx.indexOf("williambock") > -1) {
		return "../truc_995.html"
	}
	else if (idx.indexOf("truc") > -1) {
		return "vero_795.html"
	}
	else if (idx.indexOf("vero") > -1) {
		return "bock0197.html"
	}
	else if (idx.indexOf("bock0197") > -1) {
		return "ness_695.html"
	}
	else if (idx.indexOf("ness") > -1) {
		return "mohr0297.html"
	}
	else if (idx.indexOf("mohr") > -1) {
		return "dick_395.html"
	}
	else if (idx.indexOf("dick_") > -1) {
		return "venkov.html"
	}
	else if (idx.indexOf("venkov") > -1) {
		return "../coll1096.html"
	}
	else if (idx.indexOf("coll") > -1) {
		return "galctlog.html"
	}
	return "berg1097.html"
}