function sLayer(n_layer, v_layer) {
if (sis_browser_name == "ie") {
obj_layer = eval("document.all." + n_layer);
}
else {
obj_layer = document.getElementById( n_layer );
}
if (obj_layer) {
if (v_layer == 1) {
obj_layer.style.visibility = "visible";
}
else {
obj_layer.style.visibility = "hidden";
}
}
}