// JavaScript Document

var runOnce = 0;

function buildNavTree( navTreeID )
{	
	if ( runOnce > 0)
	{
		return;
	}
	runOnce++;
	var obj = document.getElementById( navTreeID );
	if ( obj == null )
	{
		return;
	}
	
	var objNodes = obj.getElementsByTagName("ul");
	for ( var i = 0; i < objNodes.length; i++ )
	{		
		var span = document.createElement("span");
		span.innerHTML = "&nbsp;";
		span.className = "collapse";		
		
		try
		{
			objNodes[i].appendChild(span, objNodes[i].parentNode.firstChild);				
			objNodes[i].style.display = 'none'
		}
		catch ( err )
		{
				// Do Nothing 
				// alert( err );
		}
	}
	
}