var Open2 = ""
var Closed2 = ""

function preload(){
if(document.images)
{
	Open2 = new Image(9,9)    
	Closed2 = new Image(9,9)
	Open2.src = 'treeclose1.gif'
	Closed2.src = 'treeopen1.gif'
}}


function showhide(what,what2)
{
	var thiscontent = this.document.getElementById(what);
	var thisimage = this.document.getElementById(what2);
	

	if ( thiscontent.style.display == "none" )
	{
		thiscontent.style.display = "block";
		thisimage.src = "treeclose1.gif"
	}
	else
	{
		thiscontent.style.display = "none"
		thisimage.src = "treeopen1.gif"
	}
}