function show_landingpage(netzwerk, netzwerk_parameter, zen_url) {
    var order_flow_url = zen_url;
    if (netzwerk == "zanox") {
		var tmp_parameter = new Array();
        tmp_parameter = netzwerk_parameter.split("&");
        var view_url = "http://www.zanox-affiliate.de/ppv/?" + tmp_parameter[0];
		for (var i = 0; i < tmp_parameter.length; i++) {
			if (tmp_parameter[i].indexOf("partner=") == 0) {
					var casaleP = tmp_parameter[i].substring(8, 1000);
			}
		}
        var click_url = "http://www.zanox-affiliate.de/ppc/?" + tmp_parameter[0] + "&partner=" + casaleP + "&ULP=" + order_flow_url;
    }
    if (netzwerk == "tradedoubler") {
        var tmp_parameter_str = netzwerk_parameter.split("?");
        var tmp_parameter = new Array();
        tmp_parameter = tmp_parameter_str[1].split("&");
        for (var i = 0; i < tmp_parameter.length; i++) {
            if (tmp_parameter[i].indexOf("a=") == 0) {
                var tradedoubler_a = tmp_parameter[i].substring(2, 1000);
            }
            if (tmp_parameter[i].indexOf("p=") == 0) {
                var tradedoubler_p = tmp_parameter[i].substring(2, 1000);
            }
            if (tmp_parameter[i].indexOf("g=") == 0) {
                var tradedoubler_g = tmp_parameter[i].substring(2, 1000);
            }
			if (tmp_parameter[i].indexOf("partner=") == 0) {
                var casaleP = tmp_parameter[i].substring(8, 1000);
            }
        }
        var view_url = "http://impus.tradedoubler.com/imp/inv/" + tradedoubler_g + "/" + tradedoubler_a;
        var click_url = "http://clk.tradedoubler.com/click?p=" + tradedoubler_p + "&a=" + tradedoubler_a + "&g=" + tradedoubler_g + "&partner=" + casaleP + "&url=" + order_flow_url;
    }
    page_content(click_url);
/* document.writeln("<img src=\"" + view_url + "\" alt=\"image\" />\r\n");*/
}