/////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2007, 2008, Oracle. All rights reserved.
// Function : FV_PageTop_Nav
// Comments : edited by gthrall1 9/15/10
/////////////////////////////////////////////////////////////////////////////

function FV_PageTop_Nav(strShowHome, strStartLevel)
{
	this.m_TextColor  = '#ffffff';
	this.m_HoverColor = '#444444';
	this.m_FocusColor = '';
	this.m_Separator  = '|';
	this.m_ClassName  = '';
	
	this.m_ShowHome   = false;
	
	this.m_StartLevel = 1;
	this.m_NumLevels  = 1;
	this.m_EndLevel   = 1;
	
	this.m_NavPath    = g_navNode_Path;
			
	FV_PageTop_Nav.prototype.Display = FV_PageTop_Nav_Display;
	FV_PageTop_Nav.prototype.DisplaySubLevel = FV_PageTop_Nav_DisplaySubLevel;
		
	if (strShowHome != 'FALSE')
		this.m_ShowHome = true;
		
	if (strStartLevel != '')
	{
		var value = parseInt(strStartLevel);
		if (value != NaN)
			this.m_StartLevel = value;
	}
	
	this.m_EndLevel = this.m_StartLevel + this.m_NumLevels - 1;
}

function FV_PageTop_Nav_Display (node)
{
	this.DisplaySubLevel(node);	
}

function FV_PageTop_Nav_DisplaySubLevel (node)	
{
	var bSelected = false;
	var bDisplay  = false;

	var nodeColor = this.m_TextColor;
	var nodeClass = this.m_ClassName
	var nodeLevel = node.m_level+1;

	
	var ds = new Array();
	var di = 0;
	var count = 0;

	var selectedNode = null;

	if (this.m_ShowHome && (node.m_level == (this.m_StartLevel-1))){
		count = -1;
	}

	var href = '';
	var label = '';
	
	if (node.m_level >= this.m_StartLevel-1 && node.m_level < this.m_EndLevel)
		bDisplay = true;
		
	for ( ; count < node.m_subNodes.length; count++)
	{
		bSelected = false;
		nodeColor = this.m_TextColor;

		if (count == -1)	// Root/home link 
		{	
			// this is only really applicable if we're working the top level
			// but the same technique could be used to display a generalised "back-up-one-level")
			
			if ( (this.m_NavPath.length == node.m_level+1) &&
				 (this.m_NavPath[node.m_level] == node.m_id) )
			{
				bSelected = true;
			}
			label = "Home";
			//label = node.m_label.replace("Hospital", "Home"); //the home label is from the site label. In the nav, we need a well-described home link
			href  = node.m_href;
		}
		else

		{	
			if (this.m_NavPath.length >= node.m_subNodes[count].m_level)
			{
				if (this.m_NavPath[node.m_subNodes[count].m_level] == node.m_subNodes[count].m_id)
				{
					bSelected = true;
					selectedNode = node.m_subNodes[count];
				}
			}
			label = node.m_subNodes[count].m_label;
			href = node.m_subNodes[count].m_href;
		}

		if (bSelected)
		{
			if (count == node.m_subNodes.length-1){
				nodeClass = 'selectedend';
			}else{
				nodeClass = 'selected';
			}
		}else{
			if (count == node.m_subNodes.length-1) {
				nodeClass = 'end';
			}else{
				nodeClass = '';
			}
		}

		if (nodeLevel > 0)
			nodeClass;

		if (bDisplay)
		{
			ds[di++] = '<li class="' + nodeClass + '"><a href="' + href + '">';
			ds[di++] = label;
			ds[di++] = '</a></li>';
		}
	} 
	
	if (bDisplay)
	{
		document.write(ds.join(''));
	}
	
	if (selectedNode != null ) 
		this.DisplaySubLevel (selectedNode);

}