// JavaScript Document

		function show(id) {
         var row = document.getElementById(id);
            if (row.style.display == "table-header-group") {
                row.style.display = "none";
				document.getElementById("a_"+id).innerHTML = "[+]";
			}
            else if (row.style.display == "none") {
                row.style.display = "table-header-group";
				document.getElementById("a_"+id).innerHTML = "[-]";
			}
        }