function chang1() {
	var sgroupId = document.getElementById("groupId");
	var srepeater = document.getElementById("repeaterSuper");
	srepeater.options.length = 1;
	if (sgroupId.value != "0") {
		send_request("GET", "chang1.action?groupId=" + sgroupId.value + "&id=" + getRan(), null, "TEXT", rechang1);
	}
}
function rechang1() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var list = http_request.responseText;
			var classList = list.split("|");
			var sbase = document.getElementById("baseId");
			sbase.options.length = 1;
			for (var i = 0; i < classList.length - 1; i++) {
				var tmp = classList[i].split(",");
				sbase.add(new Option(tmp[1], tmp[0]));
			}
		} else {
                       <!--您所请求的页面有异常。-->
			alert("\u60a8\u6240\u8bf7\u6c42\u7684\u9875\u9762\u6709\u5f02\u5e38\u3002");
		}
	}
}
function chang2() {
	var baseId = document.getElementById("baseId");
	if (baseId.value != "0") {
		send_request("GET", "chang2.action?baseId=" + baseId.value + "&id=" + getRan(), null, "TEXT", rechang2);
	}
}
function rechang2() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var list = http_request.responseText;
			var classList = list.split("|");
			var sbase = document.getElementById("repeaterSuper");
			sbase.options.length = 1;
			for (var i = 0; i < classList.length - 1; i++) {
				var tmp = classList[i].split(",");
				sbase.add(new Option(tmp[1], tmp[0]));
			}
		} else {
			alert("\u60a8\u6240\u8bf7\u6c42\u7684\u9875\u9762\u6709\u5f02\u5e38\u3002");
		}
	}
}
function chang3() {
	var protocolId = document.getElementById("protocolId");
	if (protocolId.value != "0") {
		send_request("GET", "chang3.action?protocolId=" + protocolId.value + "&id=" + getRan(), null, "TEXT", rechang3);
	}
}
function rechang3() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var list = http_request.responseText;
			var classList = list.split("|");
			var sbase = document.getElementById("communicationId");
			sbase.options.length = 1;
			for (var i = 0; i < classList.length - 1; i++) {
				var tmp = classList[i].split(",");
				sbase.add(new Option(tmp[1], tmp[0]));
			}
		} else {
			alert("\u60a8\u6240\u8bf7\u6c42\u7684\u9875\u9762\u6709\u5f02\u5e38\u3002");
		}
	}
}
<!---->
function teste(){
 alert("teste");
}