<!--
	function ShowHideLayer(layer_ref) {

		//Get the State of the Element (block/none) into a Variable
		var state = '';
		if (document.all) { //IS IE 4 or 5 (or 6 beta)
			eval( "state = document.all." + layer_ref + ".style.display");
		}
		if (document.layers) { //IS NETSCAPE 4 or below
			state = document.layers[layer_ref].display;
		}
		if (document.getElementById &&!document.all) {
			hza = document.getElementById(layer_ref);
			state = hza.style.display;
		}

		//Toggle the Variable that holds the State
		if (state == 'block') {
			state = 'none';
		}
		else {
			state = 'block';
		}

		//Now change the State of the Element to the New State
		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;
		}
	}
//-->