var openImg = new Image();
openImg.src = "images/open.gif";
var closedImg = new Image();
closedImg.src = "images/closed.gif";

function showBranch(branch){
	var objBranch = document.getElementById(branch).style;
	if(objBranch.display=="block")
		objBranch.display="none";
	else
		objBranch.display="block";
}

function swapFolder(img){
	objImg = document.getElementById(img);
	if(objImg.src.indexOf('closed.gif')>-1)
		objImg.src = openImg.src;
	else
		objImg.src = closedImg.src;
}



	function MM_findObj(n, d) { //v4.01
	  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	  for(i=0;!x&&d.layers&&id.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	  if(!x && d.getElementById) x=d.getElementById(n); return x;
	}
	
	function MM_nbGroup(event, grpName) { //v6.0
	var i,img,nbArr,args=MM_nbGroup.arguments;
	  if (event == "init" && args.length > 2) {
		if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
		  img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
		  if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
		  nbArr[nbArr.length] = img;
		  for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
			if (!img.MM_up) img.MM_up = img.src;
			img.src = img.MM_dn = args[i+1];
			nbArr[nbArr.length] = img;
		} }
	  } else if (event == "over") {
		document.MM_nbOver = nbArr = new Array();
		for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
		  if (!img.MM_up) img.MM_up = img.src;
		  img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])?args[i+1] : img.MM_up);
		  nbArr[nbArr.length] = img;
		}
	  } else if (event == "out" ) {
		for (i=0; i < document.MM_nbOver.length; i++) { img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
	  } else if (event == "down") {
		nbArr = document[grpName];
		if (nbArr) for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
		document[grpName] = nbArr = new Array();
		for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
		  if (!img.MM_up) img.MM_up = img.src;
		  img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
		  nbArr[nbArr.length] = img;
	  } }
	}