//browser detection
var isNav=false;
var isIE=false;
var coll;
var style;
var activeMenu = 0;

if( parseInt(navigator.appVersion) >= 4){
        if(navigator.appName == "Netscape"){
                isNav = true;
                coll = "document";
                style = "";
        } else {
                isIE = true;
                coll="document.all";
                style = ".style";
        }
}


var menu_aktiv = 0;
function menu(Rubrik, offset)
                {
						        if( menu_aktiv != Rubrik) {
                        if (menu_aktiv) menu_zu("menu"+menu_aktiv);
                        if (isNav) {
                                eval('document["' + 'menu' + Rubrik + '"].top = 12');
                                eval('document["' + 'menu' + Rubrik + '"].left = offset');
                        } else {
                                eval('document.all["' + 'menu' + Rubrik + '"].style.pixelTop = 22');
                                eval('document.all["' + 'menu' + Rubrik + '"].style.pixelLeft = offset');
		                    }
		                }

                menu_auf("menu"+Rubrik);
                menu_aktiv = Rubrik;

                }

        function menu_auf(menu_name){
                eval(coll + '["' + menu_name + '"]' + style + '.visibility = "visible"');
                }

        function menu_zu(menu_name){
								//alert(menu_name);
                eval(coll + '["' + menu_name + '"]' + style + '.visibility = "hidden"');
                }

        function alleaus(){
                if (menu_aktiv)
                        {menu_zu("menu"+menu_aktiv);
                        menu_aktiv = 0;}
                }

function init() {
                if (isNav) {document.captureEvents(Event.MOUSEUP);}
                document.onmouseup = alleaus;
}