var openImg = new Image();
openImg.src = "/smallbusinesstoolkit/images/base.gif";
var closedImg = new Image();
closedImg.src = "/smallbusinesstoolkit/images/folder.gif";

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

function showChapter(chapter){
	var objChapter = document.getElementById(chapter).style;
	objImg = document.getElementById('I' + chapter);
	if(objImg.src.indexOf(openImg.src) > -1) {
		objChapter.display = "none";
		//swapFolder('I' + chapter);
		}
	else {
		objChapter.display="block";
		//swapFolder('I' + chapter);
	}
}

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