/**
 *
 * @access public
 * @return void
 **/
function show(layer){

	document.getElementById('jclarke').style.display = 'none';
	document.getElementById('phansen').style.display = 'none';
	document.getElementById('bhenderson').style.display = 'none';
	document.getElementById('bwestenskow').style.display = 'none';

	document.getElementById(layer).style.display = 'block';
}

/**
 *
 * @access public
 * @return void
 **/
function hide(layer){


	document.getElementById(layer).style.display = 'none';

}