/////////////////////////////////////////////////////////////////////////////
// Function : DPD_Nav_Multi_Horizontal_2007
// Comments : 
/////////////////////////////////////////////////////////////////////////////

function DPD_Nav_Multi_Horizontal_2007(strTextColor, strHoverColor, strFocusColor, strSeparator, strClassName, 
							strShowHome, strStartLevel, strNumLevels)
{
	this.m_TextColor  = '';
	this.m_HoverColor = '';
	this.m_FocusColor = '';
	this.m_Separator  = '|';
	this.m_ClassName  = 'DPD_Nav_Multi_Horizontal_2007';
	
	this.m_ShowHome   = false;
	
	this.m_StartLevel = 1;
	this.m_NumLevels  = 1;
	this.m_EndLevel   = 1;
	
	this.m_NavPath    = g_navNode_Path;
			
	DPD_Nav_Multi_Horizontal_2007.prototype.Display = DPD_Nav_Multi_Horizontal_2007_Display;
	DPD_Nav_Multi_Horizontal_2007.prototype.DisplaySubLevel = DPD_Nav_Multi_Horizontal_2007_DisplaySubLevel;
		
	if (strTextColor != '')
		this.m_TextColor = strTextColor;
		
	if (strHoverColor != '')
		this.m_HoverColor = strHoverColor;

	if (strFocusColor != '')
		this.m_FocusColor = strFocusColor;

	if (strSeparator != '')
		this.m_Separator = strSeparator;

	if (strClassName != '')
		this.m_ClassName = strClassName;

	if (strShowHome == 'true')
		this.m_ShowHome = true;
		
	if (strStartLevel != '')
	{
		var value = parseInt(strStartLevel);
		if (value != NaN)
			this.m_StartLevel = value;
	}
	
	if (strNumLevels != '')
	{
		var value = parseInt(strNumLevels);
		if (value != NaN)
			this.m_NumLevels = value;
	}

	this.m_EndLevel = this.m_StartLevel + this.m_NumLevels - 1 ;
}

function DPD_Nav_Multi_Horizontal_2007_Display (node)
{
	this.DisplaySubLevel(node);	
}

function DPD_Nav_Multi_Horizontal_2007_DisplaySubLevel (node)	
{
	var bSelected = false;
	var bDisplay  = false;

	var nodeColor = this.m_TextColor;
	var nodeClass = this.m_ClassName
	var nodeLevel = node.m_level+1;
	
	if (nodeLevel > 6)
		nodeLevel = 6;
		
	var ds = new Array();
	var di = 0;
	var count = 0;

	var selectedNode = null;

	if (this.m_ShowHome && (node.m_level == 0))
		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;

		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 = node.m_label;
			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 (bDisplay)
		{
			
			
			if (bSelected)
			{
				ds[di++] = '<span style="color: #31639C; padding-right: 2px;">></span>';
			}
			
			ds[di++] = '<a href="' + href + '"';
			ds[di++] = '>';
			ds[di++] = label;
			ds[di++] = '</a>';

			if (count < node.m_subNodes.length - 1)
			{
				ds[di++] = '&nbsp;';
				ds[di++] = this.m_Separator;
				ds[di++] = '&nbsp;';
			}
			else
			{
				ds[di++] = '&nbsp;';
			}
		}
	} 
	
	if (bDisplay)
	{
		document.write(ds.join(''));
	}
	
	
	if (selectedNode != null)
		this.DisplaySubLevel (selectedNode);
}