var MLDDM_CLASS='navigation';
var obj_menu=new Array();

function autoinit(){
	var candidates=document.getElementsByTagName('ul');
	var index=0;
	for(var i=0;i<candidates.length;i++){
		if(candidates[i].className==MLDDM_CLASS){
			candidates[i].style.visibility='visible';
			var obj=candidates[i];
			var value=obj.getAttribute('params');
			obj_menu[index]=new menu(obj,index,value);
			index++
		}
	}
}
function menu(obj,obj_n,params){
	var _handler=obj;
	var _obj_num=obj_n;
	var _me=this;
	var _buttons=new Array();
	this._layers=new Array(6);
	this._layers[0]=new Array();
	this._layers[1]=new Array();
	this._layers[2]=new Array();
	this._layers[3]=new Array();
	this._layers[4]=new Array();
	this._layers[5]=new Array();
	var _closetimer=null;
	var _mouseout=true;
	var _currentlayer=null;
	var _shiftx=0;
	var _shifty=0;
	var _timeout=500;
	var _effect='none';
	var _effect_speed=300;
	var params_array;
	if(params){
		params_array=params.split(",");
		if(params_array[0])_shiftx=params_array[0]*1;
		if(params_array[1])_shifty=params_array[1]*1;
		if(params_array[2])_timeout=params_array[2]*1;
		if(params_array[3])_effect=params_array[3];
		if(params_array[4])_effect_speed=params_array[4]*1
	}
	function opacity(num,opacStart,opacEnd,millisec){
		var speed=Math.round(1000/millisec);
		var timer=0;
		if(opacStart>opacEnd){
			for(i=opacStart;i>=opacEnd;i=i-4){
				setTimeout("changeOpac("+_obj_num+","+num+","+i+")",(timer*speed));
				timer++
			}
		}
		else if(opacStart<opacEnd){
			for(i=opacStart;i<=opacEnd;i=i+4){
				setTimeout("changeOpac("+_obj_num+","+num+","+i+")",(timer*speed));
				timer++
			}
		}
	}
	function slide(num,direction,millisec){
		var speed=Math.round(1000/millisec);
		var timer=0;
		if(direction=='show'){
			for(i=0;i<=100;i=i+2){
				setTimeout("changePOS("+_obj_num+","+num+","+i+")",(timer*speed));
				timer++
			}
		}
		else if(direction=='hide'){
			for(i=100;i>=0;i=i-2){
				setTimeout("changePOS("+_obj_num+","+num+","+i+")",(timer*speed));
				timer++
			}
		}
	}
	function getlevel(layer){
		var level=0;
		var currentobj=layer;
		while(currentobj.className!=MLDDM_CLASS){
			if(currentobj.tagName=='UL')
			level++;
			currentobj=currentobj.parentNode
		}
		return level
	}
	function getbutton(layer){
		var button;
		var currobj=layer;
		var index=0;
		while(currobj.className!=MLDDM_CLASS){
			if(currobj.tagName=='LI'){
				index++;
				button=currobj
			}
			currobj=currobj.parentNode
		}
		return button
	}
	function button_on(layer){
		if(getlevel(layer)!=1) return-1;
		var button=getbutton(layer);
		if(button){
			button=button.getElementsByTagName("a")[0];
			button.id='buttonhover'
		}
	}
	function button_off(layer){
		if(getlevel(layer)!=1)return-1;
		var button=getbutton(layer);
		if(button){
			button=button.getElementsByTagName("a")[0];
			button.id='buttonnohover'
		}
	}
	function mopen(index){
		if(!_me._layers[1][index]){
			if(_effect=='fade')opacity(index,0,100,_effect_speed);
			else if(_effect=='slide')slide(index,'show',_effect_speed);
			else _me._layers[0][index].style.visibility='visible';
			button_on(_me._layers[0][index]);
			_me._layers[1][index]=true
		}
	}
	function mclose(index){
		if(_me._layers[1][index]){
			if(_effect=='fade')opacity(index,100,0,_effect_speed);
			else if(_effect=='slide')slide(index,'hide',_effect_speed);
			else _me._layers[0][index].style.visibility='hidden';
			button_off(_me._layers[0][index]);
			_me._layers[1][index]=false
		}
	}
	function closeall(){
		for(var i=0;i<_me._layers[0].length;i++){
			mclose(i)
		}
	}
	function mclosetime(){
		_closetimer=window.setTimeout(closeall,_timeout)
	}
	function mcancelclosetime(){
		if(_closetimer){
			window.clearTimeout(_closetimer);
			_closetimer=null
		}
	}
	function getlayerindex(obj){
		for(var i=0;i<_me._layers[0].length;i++){
			if(_me._layers[0][i]==obj)return i
		}
		return-1
	}
	
	this.pcloseall=function(){
		closeall()
	};
	this.eventover=function(){
		if(_mouseout){
			_mouseout=false;
			mcancelclosetime();
			var currentli=this;
			var layer=currentli.getElementsByTagName("ul")[0];
			var ind=getlayerindex(layer);
			if(ind>=0)mopen(ind);
			var open_layers=new Array();
			open_layers[0]=currentli.getElementsByTagName("ul")[0];
			if(!open_layers[0])open_layers[0]=0;
			var currobj=currentli.parentNode;
			var num=0;
			while(currobj.className!=MLDDM_CLASS){
				if(currobj.tagName=='UL'){
					num++;
					open_layers[num]=currobj
				}
				currobj=currobj.parentNode
			}
			var layers_to_hide=new Array(_me._layers[0].length);
			for(var i=0;i<layers_to_hide.length;i++)layers_to_hide[i]=false;
			for(var i=0;i<open_layers.length;i++)layers_to_hide[getlayerindex(open_layers[i])]=true;
			for(var i=0;i<layers_to_hide.length;i++)if(!layers_to_hide[i]&&(_currentlayer!=open_layers[0]))mclose(i);
			_currentlayer=open_layers[1]
		}
	};
	this.eventout=function(){
		_mouseout=true};
		this.allout=function(){
			mclosetime()
		};
		var current=_handler.getElementsByTagName("li")[0];
		var i=0;
		while(current){
			_buttons[i]=current;
			current=node_after(current);
			i++
		}
		var count=0;
		var all_li=_handler.getElementsByTagName("li");
		for(var i=0;i<all_li.length;i++){
			var layer=all_li[i].getElementsByTagName("ul")[0];
			if(layer){
				this._layers[0][count]=layer;
				this._layers[1][count]=false;
				count++
			}
			all_li[i].onmouseover=this.eventover;
			all_li[i].onmouseout=this.eventout
		}
		_handler.onmouseout=this.allout;
		var li_blocks=new Array();
		var right_plus_left_padding;
		for(var number=0;number<this._layers[0].length;number++){
			li_blocks[number]=new Array();
			var current=this._layers[0][number].getElementsByTagName("li")[0];
			var i=0;
			while(current){
				li_blocks[number][i]=current;
				current=node_after(current);
				i++
			}
			var maxwidth=0;
			var cur;
			var longest;
			for(i=0;i<li_blocks[number].length;i++){
				cur=li_blocks[number][i].getElementsByTagName("a")[0];
				if(cur.offsetWidth>=maxwidth){
					maxwidth=cur.offsetWidth;
					longest=cur}cur.style.display='block';
					if(cur.offsetWidth>=maxwidth){
						maxwidth=cur.offsetWidth
					}
				}
				longest.style.width=maxwidth+'px';
				right_plus_left_padding=longest.offsetWidth-maxwidth;
				var current_a;
				for(i=0;i<li_blocks[number].length;i++){
					current_a=li_blocks[number][i].getElementsByTagName("a")[0];
					current_a.style.width=maxwidth-right_plus_left_padding+'px'
				}
				this._layers[3][number]=maxwidth;
				this._layers[4][number]=li_blocks[number].length*longest.offsetHeight;
				var obj=this._layers[0][number];
				var top=obj.offsetTop;
				obj.style.marginTop=0+'px';
				var margintop=top-obj.offsetTop;
				obj.style.marginTop=margintop+'px';
				this._layers[5][number]=margintop;
				this._layers[2][number]=getlevel(this._layers[0][number])
			}
			for(index=0;index<this._layers[0].length;index++){
				var level=0;
				var currentobj=this._layers[0][index];
				while(currentobj.className!=MLDDM_CLASS){
					if(currentobj.tagName=='UL')level++;
					currentobj=currentobj.parentNode
				}
				if(level>1){
					var parent_ul;
					var parent_a;
					var curr=this._layers[0][index].parentNode;
					while(curr.tagName!='UL'){
						if(curr.parentNode)curr=curr.parentNode;
						else return 1
					}
					parent_ul=curr;
					var curr=this._layers[0][index].parentNode;
					while(curr.tagName!='LI'){
						if(curr.parentNode)curr=curr.parentNode;
						else return 1
					}
					parent_a=curr.getElementsByTagName("a")[0];
					var a_tags=new Array();
					var i=0;
					curr=parent_ul.getElementsByTagName("li")[0];
					while(curr){
						if(curr.getElementsByTagName("a")[0])a_tags[i]=curr.getElementsByTagName("a")[0];
						curr=node_after(curr);
						if(curr)if(curr.tagName=='LI')i++
					}
					var num=0;
					for(var i=0;i<a_tags.length;i++){
						if(a_tags[i]!=parent_a)num++;
						else break
					}
					var tag_a=parent_ul.getElementsByTagName("a")[0];
					var width=tag_a.offsetWidth;
					var height=tag_a.offsetHeight;
					this._layers[0][index].style.position='absolute';
					this._layers[0][index].style.left=width+_shiftx+'px';
					this._layers[0][index].style.top=height*num+_shifty+'px'
				}
			}
		}
		function changeOpac(obj_num,layer_num,opacity){
			var object=obj_menu[obj_num];
			var layer=object._layers[0][layer_num];
			layer.style.opacity=(opacity/100);
			layer.style.MozOpacity=(opacity/100);
			layer.style.KhtmlOpacity=(opacity/100);
			layer.style.filter="alpha(opacity="+opacity+")";
			if(opacity>98)layer.style.filter='none';
			if(opacity>0)layer.style.visibility='visible';
			if(opacity<=0)layer.style.visibility='hidden'
		}
		function changePOS(obj_num,layer_num,pos){
			var object=obj_menu[obj_num];
			var layer=object._layers[0][layer_num];
			var level=object._layers[2][layer_num];
			var width=object._layers[3][layer_num];
			var height=object._layers[4][layer_num];
			var margintop=object._layers[5][layer_num];
			if(level==1){
				var h=height-pos*height/100;
				layer.style.clip='rect('+h+'px 1000px 1000px 0px)';
				layer.style.marginTop=-h+margintop+'px'
			}
			else{
				var w=width-pos*width/100;layer.style.clip='rect(0px 1000px 1000px '+w+'px)';
				layer.style.marginLeft=-w+'px'
			}
			if(pos<=0)layer.style.visibility='hidden';
			if(pos>0)layer.style.visibility='visible'
		}
		function is_all_ws(nod){
			return!(/[^\t\n\r ]/.test(nod.data))
		}
		function is_ignorable(nod){
			return(nod.nodeType==8)||((nod.nodeType==3)&&is_all_ws(nod))
		}
		function node_after(sib){
			while((sib=sib.nextSibling)){
				if(!is_ignorable(sib))return sib
			}
			return null
		}
		_LOADERS=Array();
		function callAllLoaders(){
			var i,loaderFunc;
			for(i=0;i<_LOADERS.length;i++){
				loaderFunc=_LOADERS[i];
				if(loaderFunc!=callAllLoaders)loaderFunc()
			}
		}
		function appendLoader(loaderFunc){
			if(window.onload&&window.onload!=callAllLoaders)_LOADERS[_LOADERS.length]=window.onload;
			window.onload=callAllLoaders;
			_LOADERS[_LOADERS.length]=loaderFunc
		}
		appendLoader(autoinit);
		function close(){
			for(var i=0;i<obj_menu.length;i++){
				obj_menu[i].pcloseall()
			}
		}
		document.onclick=close;