IE4 = (document.all) ? 1 : 0;

NS6 = (document.getElementById) ? 1 : 0;



function set_Layer(layername){



	theImage = layername;



	if (document.images[theImage].src.match('mid2'))

	{

		document.images[theImage].src = 'http://testo.guildeprotecteurs.com/img/mumbleviewer/list_tree_mid3.png';

	} 

	else if (document.images[theImage].src.match('mid3'))

	{

		document.images[theImage].src = 'http://testo.guildeprotecteurs.com/img/mumbleviewer/list_tree_mid2.png';

	} 

	else if (document.images[theImage].src.match('end2'))

	{

		document.images[theImage].src = 'http://testo.guildeprotecteurs.com/img/mumbleviewer/list_tree_end3.png';

	} 

	else if (document.images[theImage].src.match('end3'))

	{

		document.images[theImage].src = 'http://testo.guildeprotecteurs.com/img/mumbleviewer/list_tree_end2.png';

	} 



	theLayer = layername;

	if(IE4) {

		theStatus = document.all(theLayer).style.display;

		if (theStatus == 'none') {

			document.all(theLayer).style.display = "inline"; }

		else {

			document.all(theLayer).style.display = "none";} }

	if(NS6) {

		theStatus = document.getElementById(theLayer).style.display;

		if (theStatus == 'none') {

			document.getElementById(theLayer).style.display = "inline"; }

		else {

			document.getElementById(theLayer).style.display = "none"; } } }