function initNav( m ){
 document.oneChan=true;
var nf=null;nf=new NavFolder(m,true, 0, 1,"Home","null");
nf.setSite('www.independent.co.uk'); nf.setHostId(1); m.add(1, nf)
nf=new NavFolder(m,true, 0, 45,"News","null");
nf.setSite('news.independent.co.uk'); nf.setHostId(3); m.add(45, nf)
nf=new NavFolder(m,true, 0, 48,"Sport","null");
nf.setSite('sport.independent.co.uk'); nf.setHostId(18); m.add(48, nf)
nf=new NavFolder(m,true, 0, 54,"Comment","null");
nf.setSite('comment.independent.co.uk'); nf.setHostId(6); m.add(54, nf)
nf=new NavFolder(m,true, 0, 364,"Education","null");
nf.setSite('education.independent.co.uk'); nf.setHostId(16); m.add(364, nf)
nf=new NavFolder(m,true, 0, 1090,"Motoring","null");
nf.setSite('motoring.independent.co.uk'); nf.setHostId(32); m.add(1090, nf)
nf=new NavFolder(m,true, 0, 351,"Money","null");
nf.setSite('money.independent.co.uk'); nf.setHostId(14); m.add(351, nf)
nf=new NavFolder(m,true, 0, 753,"Jobs","null");
nf.setSite('jobs.independent.co.uk'); nf.setHostId(29); m.add(753, nf)
nf=new NavFolder(m,true, 0, 2,"Travel","null");
nf.setSite('travel.independent.co.uk'); nf.setHostId(2); m.add(2, nf)
nf=new NavFolder(m,true, 0, 53,"Enjoyment","null",193,"Books","books",270,"Crosswords","crosswords",742,"Dating","dating",194,"Film","film",195,"Food & Drink","food_and_drink",196,"Music","music",264,"Photography","photography",197,"Theatre","theatre");
nf.setSite('enjoyment.independent.co.uk'); nf.setHostId(5); m.add(53, nf)
m.add(193,new NavFolder(m,false,15,193,"Books","books",205,"News","news",207,"Reviews","reviews",497,"Features","features",204,"Interviews","interviews"));
m.add(270,new NavFolder(m,false,77,270,"Crosswords","crosswords",493,"Cryptic","cryptic",494,"e-break","e-break"));
m.add(742,new NavFolder(m,false,171,742,"Dating","dating"));
m.add(194,new NavFolder(m,false,222,194,"Film","film",215,"News","news",216,"Reviews","reviews",211,"Features","features",213,"Interviews","interviews"));
m.add(195,new NavFolder(m,false,272,195,"Food & Drink","food_and_drink",223,"News","news",499,"Reviews","reviews",222,"Features","features",224,"Recipes","recipes"));
m.add(196,new NavFolder(m,false,373,196,"Music","music",231,"News","news",230,"Reviews","reviews",227,"Features","features",229,"Interviews","interviews"));
m.add(264,new NavFolder(m,false,431,264,"Photography","photography"));
m.add(197,new NavFolder(m,false,531,197,"Theatre","theatre",500,"News","news",263,"Reviews","reviews",235,"Features","features",501,"Interviews","interviews"));
var vals = m.getValues(); 
for( var n=0; n<vals.length; n++ ){ 
  var nf = vals[n]; 
  nf.addChildren(); 
}//for 
m.add('rdf_742','http://www.advancedtele.co.uk/dating/?21');
m.add('rdf_742','http://www.advancedtele.co.uk/dating/?21');
}//init fn 




	
	function LookUpMap(){	
		this.cnts = new Array();
		this.cntIds = new Array();	
	}//fn
		
	LookUpMap.prototype.add  = function ( id, cntr ){
		var idx = this.cnts.length;
		this.cntIds[ idx ] = id;
		this.cnts[ idx ] = cntr;
	};
		
	LookUpMap.prototype.get = function ( id ){
		var idx=-1,target=null;
		for( var c=0; (c< this.cntIds.length) && (target==null); c++ ){
			idx ++;
			if( this.cntIds[c] == id )
				target=this.cnts[idx];
		}//for
		return target; 
	};
	
	LookUpMap.prototype.getValues=function(){
		return this.cnts.slice(0, this.cnts.length);
	};
	
	



function NavFolder(){
	var args=arguments;
	this.lkUp=args[0];				
	this.isRoot =args[1];			
	var leftPx= args[2];
	this.folderId=args[3]; this.folderName=args[4]; this.folderUrl=args[5];
		
	this.hostId=-1;
	this.reDir=null;
	this.numChildren=0;
	this.initFolderData(arguments);
	
	this.displayContent=null;
	this.createChildNodes=true;										
	this.displayNd=null;													
	this.openChild=null;													
	this.clickedChildHref=null;										
	this.clickedChildId=null;
	
	this.displayContainer = document.createElement("div");			
	this.displayContainer.id = "cctr"+this.folderId;
	this.displayContainer.className="navSections";

	if( leftPx == null ) leftPx=0;		
	this.displayContainer.style.left=leftPx+"px";
	
	if( ! this.isRoot ){													
		this.subSectionsContainer = document.createElement("div");
		this.subSectionsContainer.className="navDropdowns";
	}//if
	
	var nf = this;
	this.displayContainer.getNF  = function(){ return nf; }
	this.displayContainer.onmouseover = doSectionMouseover;
	this.displayContainer.onclick= handleNavClick;
	
}//constructor

NavFolder.prototype.setHostId=function(id){	this.hostId=id; };
NavFolder.prototype.getHostId=function(){ return this.hostId; };

NavFolder.prototype.initFolderData=function(fdrs){
	var kids=new Array(fdrs.length-6);
	for( var k=6; k< fdrs.length; k++){ kids[k-6] = fdrs[k];	}
	var ct=kids.length/3;
	this.folderIds=new Array(ct);							
	this.xOffsets=new Array(ct);
	this.navNames=new Array(ct);
	this.relUrls=new Array(ct);												
	this.addChildFolders(kids);
};

NavFolder.prototype.addChildFolders=function(kids){
	var ct=kids.length/3, st=this.numChildren;
	for( var a=0; a<= kids.length ; a+=3 ){									;
		var id=kids[a];		name=kids[a+1];			url=kids[a+2];
		this.folderIds[st+ a/3] =id;
		this.navNames[st+ a/3] =name;
		this.relUrls[st+ a/3] =url;
	}//for
	this.numChildren+=ct;							
};


NavFolder.prototype.addChildren = function(){
	if( this.numChildren <1 )	return;
		
	for( var c=0; c< this.numChildren ; c++ ){
		if(  this.isRoot  ){	
	
			var linkNd = this.getLinkNode(  c );
			var sectionFdr = this.lkUp.get( this.folderIds[c] );	
			sectionFdr.setChannelRef( this );			
			sectionFdr.appendChild( linkNd );
			
			if( sectionFdr.numChildren > 0 ){
				var expandNd = document.createElement("img");			
				expandNd.setAttribute("src", "http://www.independent.co.uk/img/newsite/furniture/navi_expandit.gif");
				expandNd.setAttribute("width", 13 );
				expandNd.setAttribute("height", 11 );
				sectionFdr.appendChild( expandNd );	
			}//if
			
			sectionFdr.appendChild( sectionFdr.subSectionsContainer );			
			this.appendChild( sectionFdr.displayContainer );	
		}else{								
			var linkNd = this.getLinkNode( c );
			this.subSectionsContainer.appendChild( linkNd );			
			this.subSectionsContainer.appendChild( document.createElement("br") );			
		}//if
		
	}//for
	this.createChildNodes=false;
};


NavFolder.prototype.setSite = function(s){	this.siteUrl = s;	}
NavFolder.prototype.setChannelRef = function(ref){	this.channelRef = ref;	}
NavFolder.prototype.getChannelRef = function(){	return this.channelRef;	}
NavFolder.prototype.setOpenChild = function(ch){	this.openChild=ch;	}
NavFolder.prototype.getOpenChild = function(){	return this.openChild;	}

NavFolder.prototype.getLink = function(){	
	var isSS= this.clickedChildHref != null;
	var reDir = isSS ? this.lkUp.get( "rdf_"+ this.clickedChildId ) : this.lkUp.get( "rdf_"+ this.folderId );		
	if( reDir )
		return reDir;
		
	var link = this.isRoot ?  this.siteUrl : this.getChannelRef().siteUrl;
	if( ! this.isRoot )
		link += ("/"+ this.folderUrl +"/");
	link = "http://"+link;
	
	if( this.clickedChildHref != null )
		link += ( this.clickedChildHref +"/");
	return link;	
}//fn


NavFolder.prototype.appendChild = function( childNode ){		
	if( childNode )		this.displayContainer.appendChild( childNode );		
};

NavFolder.prototype.getLinkNode = function( f ){
	var sectionRef = this, id=this.folderIds[f];
	var linkNd = document.createElement("a");			
	linkNd.href = "#";			linkNd.id="lnk"+id;
	var relUrl=this.relUrls[f];
	
	linkNd.onclick = function(){ sectionRef.clickedChildHref=relUrl; sectionRef.clickedChildId=id; return false;	}
	linkNd.appendChild( document.createTextNode( this.navNames[f] )   );
	
	if( ! this.isRoot )
		linkNd.getNF=function(){ return	sectionRef; };

	return linkNd;
};

NavFolder.prototype.setDisplayContent = function(sectsEl){ 
	this.displayContent = sectsEl;
	this.displayContainer.appendChild( this.displayContent );
};

NavFolder.prototype.clearDisplayContent = function(){ 
	if( this.displayContent ){
		this.displayContainer.removeChild( this.displayContent );
		this.displayContent = null;
	}//if
};

NavFolder.prototype.showChildren = function( displayNd ){
	if( (this.numChildren < 1) && (this.displayContent==null) )	return;

	if( this.isRoot ){
		this.displayNd = displayNd;
		if( this.displayContent==null ){
			for( var s=1; s<= this.numChildren; s++ ){		
				var nf = this.lkUp.get( this.folderIds[s] );
				<!-- Ensure no sections open - can be an issue on some browsers -->
				if( nf && nf.subSectionsContainer )
					nf.subSectionsContainer.style.display="none";
			}//for
		}//if
		this.displayNd.appendChild( this.displayContainer );
	}else{
		this.getChannelRef().setOpenChild( this );
		this.subSectionsContainer.style.display="block";		
	}//else
	
};

NavFolder.prototype.hideChildren = function(){
	if( this.isRoot ){
		if( this.displayNd ){
			this.displayNd.removeChild( this.displayContainer );
			this.displayNd=null;	
		}//if
	}else{
		this.clickedChildHref=null;
		this.clickedChildId=null;
		var openChild = this.getChannelRef().getOpenChild();
		if( openChild != null  )
			this.subSectionsContainer.style.display="none";
		this.getChannelRef().setOpenChild( null );
	}//else
};



function getEventSource( evt, cancelPropogation){			
	evt=(evt)? evt:window.event;
	if( ! evt ) return null;
	if( cancelPropogation ){
		if(	evt.stopPropogation )
			evt.stopPropogation();
		else
			evt.cancelBubble=true;
	}//if
	
	var el= evt.srcElement ? evt.srcElement : evt.target;
	while(! el.getNF )
		el = el.parentNode;
	if( el.getNF )
		return el.getNF();
	return null;
}//fn


function nvContainerMouseOver(evt){
	var channelNF =	document.indyNavLookup.get( channelFolderId );	
	var oc = channelNF.getOpenChild();
	if( oc )
		oc.hideChildren();		
}//fn

function doSectionMouseover( evt ){
	var nf=getEventSource( evt, true );
	if( ! nf ) return;
	if( nf.getChannelRef() == null ) return;
	var oc = nf.getChannelRef().getOpenChild();
	if( oc && ( oc != nf ) )
		oc.hideChildren();
	nf.showChildren();
}//fn

function handleNavClick( evt ){
	var nf=getEventSource( evt, true );
	if( nf == null ) return;
	var loc=nf.getLink();
	if( loc != null )
		location.href=loc;
}//fn

function doChannelClick( fdrId ){
	var nf = document.indyNavLookup.get( fdrId );
	if( nf == null ) return false;
	var loc=nf.getLink();
	if( loc != null )
		location.href=loc;	
	return false;
}//fn

function chanNav(id){
	if( (id!=channelFolderId) && ! document.oneChan)
		setNav( id );
}//fn

function setNav(id){
	showChannel( id );
	var nvSects=getNode("nvSections");
	nvSects.style.visibility="hidden";

	var nf=document.indyNavLookup.get( channelFolderId );						
	nf.hideChildren();													
	nf = document.indyNavLookup.get(id);													
	nf.showChildren( nvSects );
	
	nvSects.style.visibility="visible";
	channelFolderId = id;	
}//fn


function showChannel(  folderId ){
	var tblNd = getNode("navTbl");
	tblNd.style.visibility="hidden";
	var nvNd = getNode( "nvf"+ channelFolderId );
	if( nvNd != null )
		nvNd.className="off";
	var bdrNd = getNode("nvsp"+ channelFolderId  );
	if( bdrNd != null )
		bdrNd.className="offBdr";

	bdrNode = getNode("nvsp"+ folderId );
	bdrNode.className = "onBdr";

	nvNd = getNode( "nvf"+folderId );
	nvNd.className="on";
	tblNd.style.visibility="visible";
	
}//fn

function eNav(chFdrId,url,storyId){
	var linkNd=getNode("indyNavigator");
	setLinkNode(linkNd,chFdrId,url,storyId);
	window.status = "Loading ... "+ linkNd.href;
	window.location.href=linkNd.href;	
	return false;
}//fn

function setLinkNode(linkNd,chFdrId,url,storyId){
	var rf=document.indyNavLookup.get( chFdrId );
	if(rf==null) return false;
	var loc;		
	if( document.udsLowResMode ){
		loc = "/low_res/";
		if( storyId ){
			loc+="story.jsp?story="+storyId+"&";
		}else
			loc+= "index.jsp?";
			
		loc+= "host="+ rf.getHostId() +"&folder="+ escape( url );
		linkNd.href=loc;
	}
	
	loc= rf.getLink();
	if( url )	loc+=url;
	if( storyId )
		loc+= "story.jsp?story="+storyId;
	linkNd.href=loc;	
}//fn