/**********************************************************************************   
FoldoutMenu 
*   Copyright (C) 2001 <a href="/dhtmlcentral/thomas_brattli.asp">Thomas Brattli</a>
*   This script was released at DHTMLCentral.com
*   Visit for more great scripts!
*   This may be used and changed freely as long as this msg is intact!
*   We will also appreciate any links you could give us.
*
*   Made by <a href="/dhtmlcentral/thomas_brattli.asp">Thomas Brattli</a> 
*********************************************************************************/



function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver)>= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=new lib_bwcheck()



/*** variables you can configure ***/
var Properties_num=4;
//level, title, href,  target
//level=1 => top, 2=>sub


subitem_lineHeight=5;
//the space between 2 sub items;


FoldNumber = 0;			//How many TOPLINKS do you have?		OBS!!!
var stayFolded = false;		//Stay open when you click a new toplink?
foldImg = 0;			//Do you want images (if not set to 0 and remove the images from the body)?
mainOffsetY =5;			//Vertical space adjustment between the main items, in pixels.


Current_menu=-1;

Words_per_line=24	//how many letters can be shown in 1 line in Title area .


//This is the default image.
//Remember to change the actual images in the page as well, but remember to keep the name of the image.
var unImg=new Image();
unImg.src=BaseDIR+"/images/arrow1.gif";

var exImg=new Image();		//Making an image variable...
exImg.src=BaseDIR+"/images/arrow2.gif";	//...this is the source of the image that it changes to when the menu expands.

var NoImg=new Image();
NoImg.src=BaseDIR+"/images/arrow0.gif";

var itemImg=new Image();
itemImg.src=BaseDIR+"/images/arrow3.gif";
// NOTE: if you change the position of divCont from absolute to relative, you can put the foldoutmenu in a table.
// HOWEVER it will no longer work in netscape 4. If you wish to support netscape 4, you have to use absolute positioning.

/*** There should be no need to change anything beyond this. ***/

// A unit of measure that will be added when setting the position of a layer.
var px = bw.ns4||window.opera?"":"px";

if(navigator.userAgent.indexOf('Opera')>-1 && document.getElementById){ //Opera 5 resize fix.
	scrX= innerWidth; scrY= innerHeight;
	document.onmousemove= function(){
		if(scrX<innerWidth-10 || scrY<innerHeight-10 || scrX>innerWidth+10 || scrY>innerHeight+10){
			scrX = innerWidth;
			scrY = innerHeight;
			initFoldout();
		}
	};
}

//object constructor...
function makeMenu(obj,nest){
	nest= (!nest)?"":'document.'+nest+'.';
	this.el= bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):document.getElementById(obj);	
   	this.css= bw.ns4?this.el:this.el.style;
	this.ref= bw.ns4?this.el.document:document;		
	this.x= (bw.ns4||bw.opera5)?this.css.left:this.el.offsetLeft;
	this.y= (bw.ns4||bw.opera5)?this.css.top:this.el.offsetTop;
	this.h= (bw.ie||bw.ns6)?this.el.offsetHeight:bw.ns4?this.ref.height:bw.opera5?this.css.pixelHeight:0;
    this.vis= b_vis;
	this.hideIt= b_hideIt;
    this.showIt= b_showIt;
    this.moveIt= b_moveIt;
	return this
}
//object methods...
function b_showIt(){this.css.visibility='visible'}
function b_hideIt(){this.css.visibility='hidden'}
function b_vis(){if(this.css.visibility=='hidden' || this.css.visibility=='HIDDEN' || this.css.visibility=='hide') return true;}
function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x+px; this.css.top=this.y+px}

/************************************************************************************
This is the function that changes the sub menus to folded or unfolded state.
************************************************************************************/

function menu(num){
	if(bw.bw){
		if (!stayFolded){
			for (var i=0; i<oSub.length; i++){
				if (i!=num){
					oSub[i].hideIt()
					if (foldImg && oTop[i].ref["imgA"+i].src!=NoImg.src)oTop[i].ref["imgA"+i].src = unImg.src
				}
			}
			for(var i=1; i<oTop.length; i++){
				oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].h)
			}
		}
		if (oSub[num].vis()){
			oSub[num].showIt()
			if (foldImg)oTop[num].ref["imgA"+num].src = exImg.src
		}else{
			oSub[num].hideIt()
			if(foldImg)oTop[num].ref["imgA"+num].src = unImg.src
		}
		for(var i=1; i<oTop.length; i++){ 
			if (!oSub[i-1].vis()) oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].h+oSub[i-1].h+mainOffsetY) 
			else oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].h+mainOffsetY)
		}
	}
}

/*********************************************************************
The init function... there should be no need to change anything here.
*********************************************************************/
function initFoldout(){
	MakeSubmenu();
	//Fixing the browsercheck for opera... this can be removed if the browsercheck has been updated!!
	bw.opera5 = (navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?true:false
	if (bw.opera5) bw.ns6 = 0

	oTop = new Array()
	oSub = new Array()
	//Making the objects and hiding the subs...
	for (var i=0; i<FoldNumber; i++){
		oTop[i] = new makeMenu('divTop'+i,'divCont')
		oSub[i] = new makeMenu('divSub'+i,'divCont.document.divTop'+i)
		oSub[i].hideIt()
	}
	
	//Positioning the top objects...
	oTop[0].moveIt(0,0)
	for (var i=1; i<oTop.length; i++){
		oTop[i].moveIt(0, oTop[i-1].y+oTop[i-1].h+mainOffsetY)
	}
	
	//Making the containing menu object and showing it...
	oCont = new makeMenu('divCont')
	oCont.showIt()
	if (Current_menu>=0) menu(Current_menu);
}

// If the browser is ok, the script is started onload...
//if(bw.bw) onload = initFoldout;



function MakeSubmenu(){
	//window.alert("HH");
	submenus=window.submenu0;
	menuText="<div id='divCont'>\n";
	menuCount=0;
	i=0;
	
	//CurrentPage=GetFullFilename(document.location.href);
	menu_num=submenus.length/Properties_num;
	CurrentPage=document.location.href;
	
	while (i<menu_num)
	{

		if (submenus[i*Properties_num]<=1)
		{
			MultiLines=(submenus[i*Properties_num+1].length/Words_per_line)>=1?true:false;

			menuText+="\t<div id='divTop"+menuCount+"' class='clTop'>\n";
			menuText+="\t\t<table border=0 cellspacing=0 cellpadding=0 width='100%'>\n";
			menuText+="\t\t\t<tr>\n";

			if (submenus[i*Properties_num]==1)
			{
				if (MultiLines)
					menuText+="\t\t\t\t<td valign='top' width=12><img src='"+unImg.src+"' name='imgA"+menuCount+"' alt='' border='0'></td>\n";
				else
					menuText+="\t\t\t\t<td width=12><img src='"+unImg.src+"' name='imgA"+menuCount+"' alt='' border='0'></td>\n";
			}
			else if (submenus[i*Properties_num]==0)
			{
				if (MultiLines)
					menuText+="\t\t\t\t<td valign='top' width=12><img src='"+NoImg.src+"' name='imgA"+menuCount+"' alt='' border='0'></td>\n";
				else
					menuText+="\t\t\t\t<td width=12><img src='"+NoImg.src+"' name='imgA"+menuCount+"' alt='' border='0'></td>\n";
			}				
			
			menuText+="\t\t\t\t<td valign='top'>";			
			if (submenus[(i+1)*Properties_num]!=2)
				{
					if (submenus[i*Properties_num]==1)
					{						
						menuText+="<a href='"+BaseDIR+submenus[i*Properties_num+2]+"' onfocus='this.blur()' target='"+submenus[i*Properties_num+3]+"'>";
						menuText+=submenus[i*Properties_num+1]+"</a>\n";
					}
					else if (submenus[i*Properties_num]==0)
					{						
						menuText+="<span class='content'>"+submenus[i*Properties_num+1]+"</span>\n";
					}
					
				}
			else
				{					
					if (submenus[i*Properties_num+2]!="") 
						menuText+="<a href='"+BaseDIR+submenus[i*Properties_num+2]+"' onclick='menu("+menuCount+")' onfocus='this.blur()' target='"+submenus[i*Properties_num+3]+"'>";
					else
						menuText+="<a href='"+BaseDIR+submenus[(i+1)*Properties_num+2]+"' onfocus='this.blur()'>";
				
					menuText+=submenus[i*Properties_num+1]+"</a>\n";
				}
			menuText+="\t\t\t\t</td>\n";
			menuText+="\t\t\t</tr>\n";
			menuText+="\t\t</table>\n";
			menuText+="\t\t<div id='divSub"+menuCount+"' class='clSub'>\n";	
			if (MultiLines)	menuText+="<br>";
			i++;
			
			if (submenus[i*Properties_num]==2)
			{
			
				menuText+="\t\t\t<table border=0 cellspacing=0 cellpadding=0 width='100%'>\n";
						
				while (submenus[i*Properties_num]==2)
					{
						if (BaseDIR+submenus[i*Properties_num+2]==CurrentPage) Current_menu=menuCount;
//						window.alert (BaseDIR+submenus[i*Properties_num+2]+"\n"+CurrentPage);
						menuText+="\t\t\t\t<tr>\n";
						menuText+="\t\t\t\t\t<td width=12><img src='"+itemImg.src+"' alt='' border='0'></td>\n";
						menuText+="\t\t\t\t\t<td valign='top'><a href='"+BaseDIR+submenus[i*Properties_num+2]+"'>"+submenus[i*Properties_num+1]+"</a></td>\n";
						menuText+="\t\t\t\t</tr>\n";
						menuText+="\t\t\t\t<tr><td colspan=2 height="+subitem_lineHeight+"></td></tr>\n";
						i++;
					}			
			
				menuText+="\t\t\t</table>\n";
			}
			
			menuText+="\t\t</div>\n";
			menuCount ++;
			i--;
		}
		menuText+="\t</div>\n";
		i++;
	}
	menuText+="</div>\n";
	document.write(menuText);	
	FoldNumber = menuCount;
}



/*
<div id='divCont'> 
	<div id='divTop0' class='clTop'>
		<a href='startsida.htm' target='center' onclick='menu(0)' onfocus='this.blur()'>
		<img src='../images/pil.gif' name='imgA0' width=12 height=12 alt='' border='0'>STARTPAGE</a><br>
		<div id='divSub0' class='clSub'>
			<a href='../index.htm' target='_top'>Swedish version</a><br>
		</div><br>
	</div>
</div>


<div id='divCont'>
	<div id='divTop0' class='clTop'>
		<a href='fff' onclick='menu(0)' onfocus='if(this.blur)this.blur()'>
		<img src='../images/pil.gif' name='imgA0' alt='' border='0'>Related Links</a><br>
		<div id='divSub0' class='clSub'>
			<a href='gov_org_e.html'>Government organizations</a><br>
			<a href='gh.html'>Non-government organizations</a><br>
			<a href='gh.html'>Environmental education</a><br>
			<a href='gh.html'>Environmental activities</a><br>
			<a href='gh.html'>Others</a><br>
		</div>
	</div>
</div>


*/