//Detect Browser
var IE4 = (document.all && !document.getElementById) ? true : false;
var NS4 = (document.layers) ? true : false;
var IE5 = (document.all && document.getElementById) ? true : false;
var N6 = (document.getElementById && !document.all) ? true : false;

//Dekl. variable
var globheight;
var globwidth;
var globlevel;
var globdelay;
var N6count=0;
var populatemenuitems="false";

/**********************************************/
var MENU_POS = new Array();
	MENU_POS['height'] = [];
	MENU_POS['width'] = [];
	MENU_POS['block_top'] = [110, 35,];
	MENU_POS['block_left'] = [15, 0];
	MENU_POS['top'] = [0];
	MENU_POS['left'] = [131];
	MENU_POS['hide_delay'] = [];

var MENU_ITEMS;

var MENU_STYLES = new Array();
	MENU_STYLES['onmouseout'] = [
		'color', [],
		'background', []
	];
	MENU_STYLES['onmouseover'] = [
		'color', [],
		'background', []
	];
	MENU_STYLES['onmousedown'] = [
		'color', [],
		'background', []
	];
	
/***************************************************************/	
function init()
{
  MENU_POS['block_top'][0]=document.getElementById('menutable').offsetTop;
}	
	
/***************************************************************/
function initmenu(levels,height,width,delay)
{
  if (populatemenuitems=="true")
  {
    for (i=0;i<=levels-1;i++)
    {
      MENU_ITEMS[i] = ITEMS[i+1];
    }
  }
  //set størrelser
  globheight=height;
  globlevel=levels;
  globwidth=width;
  globdelay=delay;
}

/********************************************************/
var menus = [];

// --- menu class ---
function menu (item_struct, pos, styles) {
	// browser check
	this.item_struct = item_struct;
	this.pos = pos;
	this.styles = styles;
	this.id = menus.length;
	this.items = [];
	this.children = [];
	this.add_item = menu_add_item;
	this.hide = menu_hide;
	this.onclick = menu_onclick;
	this.onmouseout = menu_onmouseout;
	this.onmouseover = menu_onmouseover;
	this.onmousedown = menu_onmousedown;
	var i;
	for (i = 0; i < this.item_struct.length; i++)
		new menu_item(i, this, this);
	for (i = 0; i < this.children.length; i++)
		this.children[i].visibility(true);
	menus[this.id] = this;
}
/***/
function menu_add_item (item) {
	var id = this.items.length;
	this.items[id] = item;
	return (id);
}
// --- menu item Class ---
function menu_item (path, parent, container) {
	this.path = new String (path);
	this.parent = parent;
	this.container = container;
	this.arrpath = this.path.split('_');
	this.depth = this.arrpath.length - 1;
	// get pointer to item's data in the structure
	var struct_path = '', i;
	for (i = 0; i <= this.depth; i++)
		struct_path += '[' + (Number(this.arrpath[i]) + (i ? 2 : 0)) + ']';
	eval('this.fields = this.container.item_struct' + struct_path);
	if (!this.fields) return;
	
	// assign methods	
	this.get_x = mitem_get_x;
	this.get_y = mitem_get_y;
	// these methods may be different for different browsers (i.e. non DOM compatible)
	this.init = mitem_init;
	this.visibility = mitem_visibility;
	this.switch_style = mitem_switch_style;
	
	// register in the collections
	this.id = this.container.add_item(this);
	parent.children[parent.children.length] = this;
	
	// init recursively
	this.init();
	this.children = [];
	var child_count = this.fields.length - 2;
	for (i = 0; i < child_count; i++)
		new menu_item (this.path + '_' + i, this, this.container);
	this.switch_style('onmouseout');
}
/***/
function mitem_init() {
	document.write (
		'<a id="mi_' + this.container.id + '_'
			+ this.id +'" class="m' + this.container.id + 'l' + this.depth 
			+'o" href="' + this.fields[1] + '" style="position: absolute; top: '
			+ this.get_y() + 'px; left: '	+ this.get_x() + 'px; width: '
			+ this.container.pos['width'][this.depth] + 'px; height: '
			+ this.container.pos['height'][this.depth] + 'px; visibility: hidden;'
			+' background: black; color: white; z-index: ' + this.depth + ';" '
			+ 'onclick="return menus[' + this.container.id + '].onclick('
			+ this.id + ');" onmouseout="menus[' + this.container.id + '].onmouseout('
			+ this.id + ');" onmouseover="menus[' + this.container.id + '].onmouseover('
			+ this.id + ');" onmousedown="menus[' + this.container.id + '].onmousedown('
			+ this.id + ');"><div class="m'  + this.container.id + 'l' + this.depth + 'i">'
			+ this.fields[0] + "</div></a>\n"
		);
	this.element = document.getElementById('mi_' + this.container.id + '_' + this.id);
}
/***/
function mitem_visibility(make_visible) {
	if (make_visible != null) {
		if (this.visible == make_visible) return;
		this.visible = make_visible;
		if (make_visible)
			this.element.style.visibility = 'visible';
		else if (this.depth)
			this.element.style.visibility = 'hidden';
	}
	return (this.visible);
}
/***/
function mitem_get_x() {
	var value = 0;
	for (var i = 0; i <= this.depth; i++)
		value += this.container.pos['block_left'][i]
		+ this.arrpath[i] * this.container.pos['left'][i];
	return (value);
}
/***/
function mitem_get_y() {
	var value = 0;
	for (var i = 0; i <= this.depth; i++)
		value += this.container.pos['block_top'][i]
		+ this.arrpath[i] * this.container.pos['top'][i];
	return (value);
}
/***/
function mitem_switch_style(state) {
	if (this.state == state) return;
	this.state = state;
	var style = this.container.styles[state];
	for (var i = 0; i < style.length; i += 2)
		if (style[i] && style[i+1])
			eval('this.element.style.' + style[i] + "='" 
			+ style[i+1][this.depth] + "';");
}
/************************************************/


var arraywith10values=new Array();
var arraywith10valuescount=0;
var splitvalarray;
var doflag;
var newarraystr=new Array();
mainarray=new Array();
mainarraywithcommas=new Array();
fullmainarray=new Array();
var MENU_ITEMS=new Array();
var ITEMS=new Array();
var splitarray=new Array();
var count=0;

/************************************************/
function replace(string,text,by)
{
    var strLength = string.length, txtLength = text.length;
    if ((strLength == 0) || (txtLength == 0)) return string;

    var i = string.indexOf(text);
    if ((!i) && (text != string.substring(0,txtLength))) return string;
    if (i == -1) return string;

    var newstr = string.substring(0,i) + by;

    if (i+txtLength < strLength)
        newstr += replace(string.substring(i+txtLength,strLength),text,by);
    return newstr;
}
//******************************************************************************************

function addmenuitem(val,desc,url)
{
/*
val = Menuplacering
desc= Menutekst
url = url
onmouseovertxtcol = Onmouseover Text color
*/
  doflag="yes";
  splitvalarray=val.split(",");
	for (b=0;b<=splitvalarray.length-1;b++)
	{
		if ((splitvalarray[b]=="10") || (splitvalarray[b]=="20"))
		{
	  	doflag="no";
		}
	}
	
	//populate array values for only those inputs which have a level of 10,20etc only after first level,ex:1,10,1;1,1,10,1etc************************************************************
	if ((doflag=="no") && (splitvalarray[0].length!=2))
	{
		arraywith10values[arraywith10valuescount]=new Array(val,desc,url);
		arraywith10valuescount=arraywith10valuescount+1;
	}
	//********************************************************************************
	
	//populate array values for only those inputs which have a level of 10,20etc only after first level,ex:10,1,1;10,1,10,1etc***********************************************************
	if ((doflag=="no") && (splitvalarray[0].length==2) && (splitvalarray.length>1))
	{
		arraywith10values[arraywith10valuescount]=new Array(val,desc,url);
		arraywith10valuescount=arraywith10valuescount+1;
	}
	//********************************************************************************

	//for first level
	if ((doflag=="no") && (val.length==2))
	{
		ITEMS[splitvalarray[0]]=new Array(desc,url);
	}	

	if (doflag=="yes")
	{
    var val1=replace(val,",","0");
    var val2=replace(val,",","");
		//calculate no of commas in val,this will give us the level************
    var noofcommascount=0;
		for (h=0;h<=val.length-1;h++)
		{
		  if (val.charAt(h)==",")
  		{
	    	noofcommascount=noofcommascount+1;
			}
		}
		//*********************************************************
    MENU_POS['hide_delay'][noofcommascount] = globdelay;
    MENU_POS['height'][noofcommascount]=globheight;
//    MENU_POS['width'][noofcommascount]=globwidth;
//    MENU_POS['width'][noofcommascount]=bredde;
    MENU_POS['left'][0]=globwidth+1;

    //**********************************************************

    if (noofcommascount>1)
    {
    	MENU_POS['block_left'][noofcommascount] = globwidth-120; //tallet er de antal pixels undermenuen lægger sig over parent-menuen.
    	MENU_POS['block_top'][noofcommascount] = 10;
    }
    if (noofcommascount>0)
    {
      MENU_POS['left'][noofcommascount] = 0;
      MENU_POS['top'][noofcommascount] = 35;
    }
				  
    if (val.lastIndexOf(",")=="-1")
    {
      var substrextract=val;
    }
    else
    {
      var substrextract=val.substring(0,val.lastIndexOf(","));
    }

    var replacedstr=replace(substrextract,",","0");
    var val1=replace(val,",","0");
    ITEMS[val1]=new Array(desc,url);
    mainarray[count]=replacedstr; 
    fullmainarray[count]=val1;
    mainarraywithcommas[fullmainarray[count]]=val;
    count=count+1;
	}
}

/***/
function setStyles(niveau,bredde,onmouseovrtxtcol,onmouseovrbgndcol,onmouseouttxtcol,onmouseoutbgndcol,onmousedowntxtcol,onmousedownbgndcol, fontstyles)
{
  MENU_STYLES['onmouseover'][1][niveau] = onmouseovrtxtcol;
  MENU_STYLES['onmouseover'][3][niveau] = onmouseovrbgndcol;
  MENU_STYLES['onmouseout'][1][niveau] = onmouseouttxtcol;						  
  MENU_STYLES['onmouseout'][3][niveau] = onmouseoutbgndcol;						  
  MENU_STYLES['onmousedown'][1][niveau] = onmousedowntxtcol;						  
  MENU_STYLES['onmousedown'][3][niveau] = onmousedownbgndcol;
  MENU_POS['width'][niveau]=bredde;
  /* Fonts *********************************/
  if (N6)
  {
    var x = document.styleSheets[0];
    x.insertRule('PRE {font: 14px verdana}',x.cssRules.length);
    x.insertRule(".m0l"+niveau+"o {text-decoration : none; border : 2px solid #E9E9E9}",x.cssRules.length);
    x.insertRule(".m0l"+niveau+"i {"+fontstyles+"}",x.cssRules.length);
  }
  else
  {
    document.styleSheets[0].addRule(".m0l"+niveau+"o", "text-decoration : none; border : 2px solid #E9E9E9;")
    document.styleSheets[0].addRule(".m0l"+niveau+"i", fontstyles)
  }
}

/***/
function doCompare(a,b)
{
  return a-b
}

/***/ 
function createmenu()
{
  mainarray.sort(doCompare);
  fullmainarray.sort(doCompare);
  var count1=2;
		for (i=mainarray.length-1;i>=0;i--)
		{
					mainarray[i]=mainarray[i]+"";
					 var len=mainarray[i].length;
					 for (j=0;j<=fullmainarray.length-1;j++)
					 {
					 //calculate no of zeros in fullmainarray[j]************
					 var noofzeroscount=0;
					 for (u=0;u<=fullmainarray[j].length-1;u++)
					 {
					 if (fullmainarray[j].charAt(u)=="0")
					 {
					 noofzeroscount=noofzeroscount+1;
					 }
					 }
					 //*********************************************************
					 //calculate no of zeros in mainarray[i]************
					 var noofzeroscounti=0;
  					 for (v=0;v<=mainarray[i].length-1;v++)
  					 {
    					 if (mainarray[i].charAt(v)=="0")
  					 {
	  				 noofzeroscounti=noofzeroscounti+1;
					 }
					 }
					 //*********************************************************
					 
					 splitarray=mainarraywithcommas[fullmainarray[j]].split(",");
						 if (mainarray[i]!=fullmainarray[j])
						{
						 fullmainarray[j]=fullmainarray[j]+"";
							   if ((fullmainarray[j].substring(0,len)==mainarray[i]) && (mainarray[i].length==(fullmainarray[j].length-noofzeroscount)-(splitarray[splitarray.length-1].length-noofzeroscounti)))
							   {
							   ITEMS[mainarray[i]][count1]=ITEMS[fullmainarray[j]];
							   count1=count1+1;
							   }
					  	  }
		 			  }
count1=2;
		 }
		 populatemenuitems="true";
		 initmenu(globlevel,globheight,globwidth);
} 

function add10xitems()
{
for (p=0;p<=arraywith10values.length-1;p++)
{
var position=arraywith10values[p][0].substring(arraywith10values[p][0].lastIndexOf(",")+1,arraywith10values[p][0].length);
var substrextract=arraywith10values[p][0].substring(0,arraywith10values[p][0].lastIndexOf(","));
var replacedstr=replace(substrextract,",","0");
var replacedwholestr=replace(arraywith10values[p][0],",","0");
//change indexes
		for (r=ITEMS[replacedstr].length;r>=parseInt(position);r--)
		{
			ITEMS[replacedstr][r+1]=ITEMS[replacedstr][r];
		}
ITEMS[replacedwholestr]=new Array(arraywith10values[p][1],arraywith10values[p][2]);
ITEMS[replacedstr][parseInt(position)+1]=ITEMS[replacedwholestr];
}
}

/*****************************************************/
/***/
function menu_hide () {
	for (var i = 0; i < this.items.length; i++) {
		this.items[i].visibility(false);
		this.items[i].switch_style('onmouseout');
	}
}
/***/
function menu_onclick (id) {
	var item = this.items[id];
	return (item.fields[1] ? true : false);
}
/***/
function menu_onmouseout (id) {
	this.hide_timer = setTimeout('menus['+ this.id +'].hide();',
		this.pos['hide_delay'][this.active_item.depth]);
	if (this.active_item.id == id)
		this.active_item = null;
}
/***/
function menu_onmouseover (id) {
	this.active_item = this.items[id];
	clearTimeout(this.hide_timer);
	var curr_item, visib;
	for (var i = 0; i < this.items.length; i++) {
		curr_item = this.items[i];
		visib = (curr_item.arrpath.slice(0, curr_item.depth).join('_') ==
			this.active_item.arrpath.slice(0, curr_item.depth).join('_'));
		if (visib)
			curr_item.switch_style (
				curr_item == this.active_item ? 'onmouseover' : 'onmouseout');
		curr_item.visibility(visib);
	}
}
/***/
function menu_onmousedown (id) 
{
	this.items[id].switch_style('onmousedown');
}