/////////////////////////////////////////////////////////////////////////////
// Function : umc_left_navigation_css
// Comments : Built off the UR Template Left Navigation Functions
/////////////////////////////////////////////////////////////////////////////

function umc_left_navigation_css(strStartLevel, strNumLevels)
{
	this.m_ClassName  = 'umc_left_navigation_css';
	
	this.m_ShowHome   = false;
	
	this.m_StartLevel = 2;
	this.m_NumLevels  = 10;
	this.m_EndLevel   = 11;
	
	this.m_NavPath    = g_navNode_Path;
			
	umc_left_navigation_css.prototype.Display = umc_left_navigation_css_Display;
	umc_left_navigation_css.prototype.DisplayNode = umc_left_navigation_css_DisplayNode;
				
	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 umc_left_navigation_css_Display (node)
{
	document.write('<ul class="umc_left_navigation_css">');
	this.DisplayNode(node);	
	document.write('</ul>');
}

function umc_left_navigation_css_DisplayNode(node)
{
	var bSelected = false;
	var nodeClass = this.m_ClassName;
	var startLevel = this.m_StartLevel;

	var nodeLevel = node.m_level;
	
	if (nodeLevel > 6)
		nodeLevel = 6;
	
	if (this.m_NavPath.length > 0 && node.m_level < this.m_NavPath.length)
	{
		if (this.m_NavPath[node.m_level] == node.m_id)
		{
			if (node.m_level > 0 || (node.m_level == 0 && this.m_NavPath.length == 1))
			{
				bSelected = true;
				nodeColor = this.m_FocusColor;
				nodeClass += '-focus';
			}
		}
	}

	var nodeDecorationLevel = nodeLevel-startLevel;
	if (nodeDecorationLevel > 0)
		nodeClass += '-' + nodeDecorationLevel;
		
	if ( (node.m_level == 0 && this.m_ShowHome) || 
     	 (node.m_level >= this.m_StartLevel && node.m_level <= this.m_EndLevel)
	   )
	{
		var ds = new Array();
		var di = 0;
		
		ds[di++] = '<li';
		ds[di++] = ' class="' + nodeClass + '"';
		ds[di++] = '>';

		ds[di++] = '<a href="' + node.m_href + '"';
		ds[di++] = ' class="' + nodeClass + '"';
				 
		ds[di++] = '>'
		ds[di++] = node.m_label;
		ds[di++] = '</a></li>';
		document.write(ds.join(''));
	}
	
	if (bSelected || node.m_level == 0)
	{	// expand sub-levels (if any)
		for (var i = 0; i < node.m_subNodes.length; i++)
		{
			this.DisplayNode(node.m_subNodes[i]);
		}
	}
}