var mn_items=new Object;
var mn_open=new Array();
var mn_dyn=new Object;
var mn_cols=new Object;

var close_timer=false;
var last_out=false;
var scroll_timer=false;
var last_scroll=false;
var scroll_menu=false;
var nohighlight=false;

function mnCr(name) {
	var p=new Object;
	mn_items[name]=p;
	return p;
}
function mnOnScroll() {
	if (scroll_timer) window.clearTimeout(scroll_timer);
	else {
		var st=document.getElementById("steh");
		if (st) {
			st.style.top=0;
		}
		else return;
	}
	scroll_timer=window.setTimeout("setStehPos()",100);
}
function checkScroll() {
	var pos=mnGetPagePos();
	if (pos.y!=last_scroll.y) {
		last_scroll=pos;
		mnOnScroll();
	}
}
function mnInit(bar,lbar,sub,lsub) {
	mn_cols.bar=bar;
	mn_cols.lbar=lbar;
	mn_cols.sub=sub;
	mn_cols.lsub=lsub;
	window.onscroll=mnOnScroll;
	window.onresize=window.onscroll;
	last_scroll=mnGetPagePos();
	mnOnScroll();
	window.setInterval("checkScroll()",150);
}
function setStehPos() {
	var st=document.getElementById("steh");
	if (st) {
		var page=mnGetPagePos();
		last_scroll=page;
		st.style.top=page.y;
	}
	scroll_timer=false;
}

function mnSetPos(e,x,y) {
	e.style.left=x;
	e.style.top=y;
}
var mn_rechts=true;
function mnOpenSub(name,parentname,e) {
	if (mn_open[mn_open.length-1]==name) return;
	var sub=document.getElementById("mn"+name);
	mnSetPos(sub,-5000,-5000);
	var left=new Object;
	var right=new Object;
	var closeid=false;
	var page=mnGetPagePos();
	if (e) { // an klick-position darstellen
		var x=e.clientX+page.x;
		var y=e.clientY+page.y;
		right.x=x-5;
		right.y=y-5;
		left.x=x+5;
		left.y=right.y;
	}
	else { // unter bzw. neben button darstellen
		var hor=false;
		var par=document.getElementById("mn"+parentname);
		if (!par) {
			hor=true;
			par=document.getElementById("mi"+parentname) || document.getElementById("mt"+parentname);
		}
		if (par) {
			var mn=mnGetParentMenu(par);
			closeid=mn;
			var pos=mnGetPos(par);
			if (!sub) { alert("menue "+name+"ist nicht definiert"); return false;}
			right.x=hor ? pos.x : pos.x+pos.width;
			right.y=hor ? pos.y+pos.height : pos.y;
			left.x=hor ? page.x+page.width : pos.x;
			left.y=right.y;
			if (hor && right.x<=2) right.x=2;
			mnHighlight(par,true);
			mn_items[parentname].light=true;
			if (!mn_items[name]) mn_items[name]=new Object;
			mn_items[name].parentlight=parentname;
		}
		else {
			return false;
		}
	}
	mnClosePath(closeid);
	mnPositionSub(sub,mnGetPos(sub),right,left);
	mn_open[mn_open.length]=name;
	sub.style.zIndex=5000+mn_open.length;
	sub.style.visibility="visible";
}
function mnPositionSub(sub,size,right,left,rek) {
	var page=mnGetPagePos();
	var x=0;
	var id=mnSplitId(sub.id);
	var item=mn_items[id.id];
	if (!item) {
		mn_items[id.id]=new Object;
		item=mn_items[id.id];
	}
	if (mn_rechts) {
		if (right.x+size.width>page.x+page.width) {
			if (rek) {
				x=0;
			}
			else {
				mn_rechts=false;
				return mnPositionSub(sub,size,right,left,true);
			}
		}
		else {
			x=right.x;
		}
		item.mn_rechts=true;
	}
	else {
		if (left.x-size.width<page.x) {
			if (rek) {
				x=0;
			}
			else {
				mn_rechts=true;
				return mnPositionSub(sub,size,right,left,true);
			}
		}
		else {
			x=left.x-size.width;
		}
		item.mn_rechts=false;
	}
	y=right.y;
	if (y+size.height>page.y+page.height) {
		y=page.y+page.height-size.height;
		if (y<page.y) {
			y=page.y;
		}
	}
	mnSetPos(sub,x,y);
}
function mnCheckScroll(obj) {
	var pos=mnGetPos(obj);
	var page=mnGetPagePos();
	var sc=document.getElementById("mnscrollup");
	if (!sc) return;
	scroll_menu=false;
	if (pos.y<page.y) {
		sc.style.top=page.y;
		sc.style.left=pos.x;
		sc.style.width=pos.width-(isIE ? 0 : 2);
		sc.style.visibility="visible";
		scroll_menu=obj;
	}
	else {
		sc.style.visibility="hidden";
	}
	sc=document.getElementById("mnscrolldown");
	if (pos.y+pos.height>page.y+page.height) {
		var scpos=mnGetPos(sc);
		sc.style.top=page.y+page.height-scpos.height;
		sc.style.left=pos.x;
		sc.style.width=pos.width-(isIE ? 0 : 2);
		sc.style.visibility="visible";
		scroll_menu=obj;
	}
	else {
		sc.style.visibility="hidden";
	}
}
function mnHideScroll() {
	if (scroll_menu) {
		document.getElementById("mnscrollup").style.visibility="hidden";
		document.getElementById("mnscrolldown").style.visibility="hidden";
		scroll_menu=false;
	}
}
function mnScrollIn(but) {
	if (scroll_menu) {
		if (close_timer) window.clearTimeout(close_timer);
		close_timer=false;
		but.style.backgroundColor=mn_cols.lsub;
	}
	else {
		mnHideScroll();
	}
}
function mnScrollOut(but) {
	if (scroll_menu) {
		close_timer=window.setTimeout("mnClosePath()",500);
		but.style.backgroundColor=mn_cols.sub;
	}
	else {
		mnHideScroll();
	}
}
function mnScroll(but) {
	if (!scroll_menu) {
		mnHideScroll();
		return;
	}
	var pos=mnGetPos(scroll_menu);
	var page=mnGetPagePos();
	var y=0;
	if (but.id=="mnscrollup") {
		y=pos.y+page.height*0.5;
		if (y>page.y) y=page.y;
	}
	else {
		y=pos.y-page.height*0.5;
		if (y+pos.height<page.y+page.height) y=page.y+page.height-pos.height;
	}
	scroll_menu.style.top=y;
	mnCheckScroll(scroll_menu);
}
function mnGetParentMenu(obj) {
	var p=obj;
	while (p && p.nodeName!="DIV") {
		p=p.parentNode;
	}
	if (p && p.id.substr(0,2)=="mn") {
		return p.id.substr(2);
	}
	return false;
}
function mnClosePath(name) {
	for (var i=mn_open.length-1;i>=0;i--) {
		if (name==mn_open[i]) break;
		document.getElementById("mn"+mn_open[i]).style.visibility="hidden";
		var it=mn_items[mn_open[i]];
		if (it.parentlight) {
			mn_items[it.parentlight].light=false;
			mnHighlight(document.getElementById("mn"+it.parentlight)
				|| document.getElementById("mi"+it.parentlight)
				|| document.getElementById("mt"+it.parentlight),false);
		}
		mn_open.length--;
	}
	if (mn_open.length==0) mn_rechts=true;
	else {
		mn_rechts=mn_items[mn_open[mn_open.length-1]].mn_rechts;
	}
	mnHideScroll();
}
function mnCl(obj) {
	var id=mnSplitId(obj.id);
	var m=mn_items[id.id];
	if (!m.sb) mnClosePath();
	if (m.cl) {
		var f="function onclick() { "+m.cl+";return true;}; onclick();";
		if (!eval(f)) return;
	}
	if (m.ln) {
		var w=window.open(m.ln,m.tg || "_self","");
		w.focus();
	}
}
function mnSplitId(id) {
	var o=new Object;
	o.typ=id.substr(0,2);
	o.id=id.substr(2);
	return o;
}
function mnIn(obj) {
	var id=mnSplitId(obj.id);
	if (close_timer) window.clearTimeout(close_timer);
	close_timer=false;
	var p=mnGetParentMenu(obj);
	if (p && last_out!=id.id) mnClosePath(p);
	last_out=false;
	mnHighlight(obj,true,id);
	if (id.typ=="mn") {
		if (mn_items[id.id].sb) {
			mnCl(obj);
		}
	}
	setStatus(mn_items[id.id].st || "");
	mnCheckScroll(document.getElementById("mn"+p));
}
function mnSepIn() {
	if (close_timer) window.clearTimeout(close_timer);
	close_timer=false;
}
function mnSepOut() {
	close_timer=window.setTimeout("mnClosePath()",500);
}
function mnHighlight(obj,light,id) {
	if (!id) id=mnSplitId(obj.id);
	if (id.id==nohighlight) return;
	if (id.typ=="mn") {
		for (var i=0;i<obj.childNodes.length;i++) {
			if (obj.childNodes[i].nodeName=="TD") {
				obj.childNodes[i].style.backgroundColor=light ? mn_cols.lsub : mn_cols.sub;
			}
		}
	}
	else {
		obj=document.getElementById("mi"+id.id);
		if (obj) obj.style.backgroundColor=light ? mn_cols.lbar : mn_cols.bar;
		obj=document.getElementById("mt"+id.id);
		if (obj) obj.style.backgroundColor=light ? mn_cols.lbar : mn_cols.bar;
	}
}
function mnOut(obj) {
	var id=mnSplitId(obj.id);
	last_out=id.id;
	if (!mn_items[id.id].light) mnHighlight(obj,false,id);
	close_timer=window.setTimeout("mnClosePath()",500);
	clearStatus();
}
function mnHideItem(name) {
	var a=mn_dyn[name];
	if (!a) {
		a=new Array();
		a[0]=name;
	}
	if (a) {
		for (var i=0;i<a.length;i++) {
			var n=a[i];
			hideDiv("mn"+n);
			hideDiv("mi"+n);
			hideDiv("mt"+n);
		}
	}
}
function mnShowItem(name) {
	var a=mn_dyn[name];
	if (!a) {
		a=new Array();
		a[0]=name;
	}
	if (a) {
		for (var i=0;i<a.length;i++) {
			var n=a[i];
			showDiv("mn"+n,"table-row");
			showDiv("mi"+n,"table-cell");
			showDiv("mt"+n,"table-cell");
		}
	}
}
function mnDn(name,id) {
	if (!mn_dyn[name]) mn_dyn[name]=new Array;
	var a=mn_dyn[name];
	a[a.length]=id;
}
function mnDyn(s) {
	var list=s.split(";");
	for (var i=0;i<list.length;i++) {
		var cmd=list[i].split("=");
		if (cmd[1]=="1") { mnShowItem(cmd[0]); }
		else { mnHideItem(cmd[0]); }
	}
}
function calldynamic(name,s) {
	mnDyn(s);
}