function toggleBox(obj) {
	for ( i=0; i < obj.parentNode.childNodes.length; i++ ) {
		if ( obj.parentNode.childNodes[i].nodeName == "DIV" ) {
			divobj = obj.parentNode.childNodes[i];
			if ( divobj.style.display == 'block' ) {
				divobj.style.display = 'none';
				show = false;
			} else {
				divobj.style.display = 'block';
				show = true;
			}

			for ( j=0; j < obj.parentNode.childNodes.length; j++ ) {
				if ( obj.parentNode.childNodes[j].nodeName == "A" ) {
					for ( k=0; k < obj.parentNode.childNodes[j].childNodes.length; j++ ) {
						if ( obj.parentNode.childNodes[j].childNodes[k].nodeName == "IMG" ) {
							imgobj = obj.parentNode.childNodes[j].childNodes[k];
							imgobj.src = show ? '/vidcast/images/minus.gif' : '/vidcast/images/plus.gif';
						}
					}
				}
			}

		}
	}
}