//<script language="JavaScript1.2">

/*

Toggle Layer Visibility

© Eddie Traversa (http://dhtmlnirvana.com/)

*/

function toggleVisibility(id, NNtype, IEtype, W3Ctype) {

    if (document.getElementById) {

    eval("document.getElementById(id).style.visibility = \"" + W3Ctype + "\"");

    } else {

    if (document.layers) {

    document.layers[id].visibility = NNtype;

    } else {

    if (document.all) {

    eval("document.all." + id + ".style.visibility = \"" + IEtype + "\"");

            }

        }

    }

}

//</script>