// This script allows for divs formatted as follows to be shown/hidden via a hyperlink:
//
// <div id="help1" style="display: none;"> Contents </div>
//
// <a onclick="showhide('help1');">Show Help</a>

var state = 'none';

function showhide(layer_ref) {
	if (state == 'block') {
		state = 'none';
	} else {
		state = 'block';
	}
	
	if (document.all) { //IS IE 4 or 5 (or 6 beta)
		eval( "document.all." + layer_ref + ".style.display = state");
	}

	if (document.layers) { //IS NETSCAPE 4 or below
		document.layers[layer_ref].display = state;
	}

	if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);		
		hza.style.display = state;
	}
}