function getElement(win, id) {

	var obj = null;
	if (win.document.getElementById(id)) {
		obj = win.document.getElementById(id);
	}
	else if (win.document.all) {
		obj = win.document.all(id);
	}
	return obj;
}

function ToggleRow(rowid) {

	var img = getElement(window, "img_" + rowid);
	var row = getElement(window, rowid);

	if (row.style.display == "block") {
	        // collapse
	        row.style.display = "none";
	        img.src = "../treeimages/Results_L.gif";
	}
	else if (row.style.display == "none") {
		// expand
		row.style.display = "block";
		img.src = "../treeimages/Results_G.gif";
	}
}

function ToggleSessionNotes(rowid) {
	//var img = getElement(window, "img_" + rowid);
	var row = getElement(window, rowid);
	
	if (row.style.display == "block") {
		// hide
        	row.style.display = "none";
	}
	else if (row.style.display == "none") {
		// show
		row.style.display = "block";
	}
}