window.defaultStatus=""
            browserName = navigator.appName;
            browserVer = parseInt(navigator.appVersion);

                 var ne=(document.layers)? 1:0;
                 var ne6=(navigator.appVersion.substring(0,1) >= 5 && navigator.appName == "Netscape")? 1:0
                 var ie=(document.all)? 1:0;
                 altername=" ";

                        if ((browserName == "Netscape" && browserVer >= 3)|(browserName == "Microsoft Internet Explorer" && browserVer >= 4)) version = "v3";
                        else version = "v2";

                        function show(name) {
                                if (version == "v3") {
                                        if(ne) document.layers[''+name].visibility = "show";
                                        if(ie) {
                                         document.all[''+name].style.visibility = "visible";
                                         document.all[''+name].style.zIndex = "50";
                                        }
                                        if(ne6) {
                                         document.getElementById(''+name).style.visibility = "visible";
                                         document.getElementById(''+name).style.zIndex = "50";
                                        }
                                }
                        }

                        function hide(name) {
                                if (version == "v3") {
                                                if(ne) document.layers[''+name].visibility = "hide";
                                                if(ie) {
                                                 document.all[''+name].style.visibility = "hidden";
                                                 document.all[''+name].style.zIndex = "1";
                                                }
                                                if(ne6) {
                                                 document.getElementById(''+name).style.visibility = "hidden";
                                                 document.getElementById(''+name).style.zIndex = "1";
                                                }
                                }
                        }
						
function zeige(name) {
	if (name == "info_1") {
		hide('detail'), hide('info_2'), show('info_1');
	}
	if (name == "info_2") {
		hide('detail'), hide('info_1'), show('info_2');
	}
	if (name == "detail") {
		hide('info_1'), hide('info_2'), show('detail');
	}
}