// IE 5.01 Patch [ 1498764 ]
function utf8(wide) {
  var c, s;
  var enc = "";
  var i = 0;
  while(i<wide.length) {
    c= wide.charCodeAt(i++);
    // handle UTF-16 surrogates
    if (c>=0xDC00 && c<0xE000) continue;
    if (c>=0xD800 && c<0xDC00) {
      if (i>=wide.length) continue;
      s= wide.charCodeAt(i++);
      if (s<0xDC00 || c>=0xDE00) continue;
      c= ((c-0xD800)<<10)+(s-0xDC00)+0x10000;
    }
    // output value
    if (c<0x80) enc += String.fromCharCode(c);
    else if (c<0x800) enc += String.fromCharCode(0xC0+(c>>6),0x80+(c&0x3F));
    else if (c<0x10000) enc += String.fromCharCode(0xE0+(c>>12),0x80+(c>>6&0x3F),0x80+(c&0x3F));
    else enc += String.fromCharCode(0xF0+(c>>18),0x80+(c>>12&0x3F),0x80+(c>>6&0x3F),0x80+(c&0x3F));
  }
  return enc;
}

var hexchars = "0123456789ABCDEF";

function toHex(n) {
  return hexchars.charAt(n>>4)+hexchars.charAt(n & 0xF);
}

var okURIchars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-";

function encodeURIComponentNew(s) {
  var s = utf8(s);
  var c;
  var enc = "";
  for (var i= 0; i<s.length; i++) {
    if (okURIchars.indexOf(s.charAt(i))==-1)
      enc += "%"+toHex(s.charCodeAt(i));
    else
      enc += s.charAt(i);
  }
  return enc;
}

function Anthem_Encode(s){
	if (typeof encodeURIComponent == "function") {
		// Use JavaScript built-in function
		// IE 5.5+ and Netscape 6+ and Mozilla
		return encodeURIComponent(s);
	} else {
		// Need to mimic the JavaScript version
		// Netscape 4 and IE 4 and IE 5.0
		return encodeURIComponentNew(s);
	}
}

function Anthem_AddEvent(obj, evType, fn, useCapture) {
	if (obj.addEventListener) {
		obj.addEventListener(evType, fn, useCapture);
		return true;
	} else if (obj.attachEvent) {
		var r = obj.attachEvent("on" + evType, fn);
		return r;
	} else {
		alert("Anthem_AddEvent could not add event!");
	}
}

function Anthem_GetXMLHttpRequest() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	} else {
		if (window.Anthem_XMLHttpRequestProgID) {
			return new ActiveXObject(window.Anthem_XMLHttpRequestProgID);
		} else {
			var progIDs = ["Msxml2.XMLHTTP.5.0", "Msxml2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];
			for (var i = 0; i < progIDs.length; ++i) {
				var progID = progIDs[i];
				try {
					var x = new ActiveXObject(progID);
					window.Anthem_XMLHttpRequestProgID = progID;
					return x;
				} catch (e) {
				}
			}
		}
	}
	return null;
}

function Anthem_CallBack(url, target, id, method, args, clientCallBack, clientCallBackArg, includeControlValuesWithCallBack, updatePageAfterCallBack) {
	if (window.Anthem_PreCallBack) {
		var preCallBackResult = Anthem_PreCallBack();
		if (!(typeof preCallBackResult == "undefined" || preCallBackResult)) {
			if (window.Anthem_CallBackCancelled) {
				Anthem_CallBackCancelled();
			}
			return null;
		}
	}
	var x = Anthem_GetXMLHttpRequest();
	var result = null;
	if (!x) {
		result = { "value": null, "error": "NOXMLHTTP" };
		Anthem_DebugError(result.error);
		if (window.Anthem_Error) {
			Anthem_Error(result);
		}
		if (clientCallBack) {
			clientCallBack(result, clientCallBackArg);
		}
		return result;
	}
	x.open("POST", url ? url : Anthem_DefaultURL, clientCallBack ? true : false);
	x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");
	x.setRequestHeader("Accept-Encoding", "gzip, deflate");
	if (clientCallBack) {
		x.onreadystatechange = function() {
			if (x.readyState != 4) {
				return;
			}
			Anthem_DebugResponseText(x.responseText);
			result = Anthem_GetResult(x);
			if (result.error) {
				Anthem_DebugError(result.error);
				if (window.Anthem_Error) {
					Anthem_Error(result);
				}
			}
			if (updatePageAfterCallBack) {
				Anthem_UpdatePage(result);
			}
			Anthem_EvalClientSideScript(result);
			clientCallBack(result, clientCallBackArg);
			x = null;
			if (window.Anthem_PostCallBack) {
				Anthem_PostCallBack();
			}
		}
	}
    var encodedData = "";
    if (target == "Page") {
        encodedData += "&Anthem_PageMethod=" + method;
    } else if (target == "MasterPage") {
        encodedData += "&Anthem_MasterPageMethod=" + method;
    } else if (target == "Control") {
        encodedData += "&Anthem_ControlID=" + id.split(":").join("_");
        encodedData += "&Anthem_ControlMethod=" + method;
    }
	if (args) {
		for (var argsIndex = 0; argsIndex < args.length; ++argsIndex) {
			if (args[argsIndex] instanceof Array) {
				for (var i = 0; i < args[argsIndex].length; ++i) {
					encodedData += "&Anthem_CallBackArgument" + argsIndex + "=" + Anthem_Encode(args[argsIndex][i]);
				}
			} else {
				encodedData += "&Anthem_CallBackArgument" + argsIndex + "=" + Anthem_Encode(args[argsIndex]);
			}
		}
	}
	if (updatePageAfterCallBack) {
		encodedData += "&Anthem_UpdatePage=true";
	}
	if (includeControlValuesWithCallBack) {
		var form = document.getElementById(Anthem_FormID);
		if (form != null) {
			for (var elementIndex = 0; elementIndex < form.length; ++elementIndex) {
				var element = form.elements[elementIndex];
				if (element.name) {
					var elementValue = null;
					if (element.nodeName.toUpperCase() == "INPUT") {
						var inputType = element.getAttribute("type").toUpperCase();
						if (inputType == "TEXT" || inputType == "PASSWORD" || inputType == "HIDDEN") {
							elementValue = element.value;
						} else if (inputType == "CHECKBOX" || inputType == "RADIO") {
							if (element.checked) {
								elementValue = element.value;
							}
						}
					} else if (element.nodeName.toUpperCase() == "SELECT") {
						if (element.multiple) {
							elementValue = [];
							for (var i = 0; i < element.length; ++i) {
								if (element.options[i].selected) {
									elementValue.push(element.options[i].value);
								}
							}
						} else if (element.length == 0) {
						    elementValue = null;
						} else {
							elementValue = element.value;
						}
					} else if (element.nodeName.toUpperCase() == "TEXTAREA") {
						elementValue = element.value;
					}
					if (elementValue instanceof Array) {
						for (var i = 0; i < elementValue.length; ++i) {
							encodedData += "&" + element.name + "=" + Anthem_Encode(elementValue[i]);
						}
					} else if (elementValue != null) {
						encodedData += "&" + element.name + "=" + Anthem_Encode(elementValue);
					}
				}
			}
			// ASP.NET 1.1 won't fire any events if neither of the following
			// two parameters are not in the request so make sure they're
			// always in the request.
			if (typeof form.__VIEWSTATE == "undefined") {
				encodedData += "&__VIEWSTATE=";
			}
			if (typeof form.__EVENTTARGET == "undefined") {
				encodedData += "&__EVENTTARGET=";
			}
		}
	}
	Anthem_DebugRequestText(encodedData.split("&").join("\n&"));
	x.send(encodedData);
	if (!clientCallBack) {
		Anthem_DebugResponseText(x.responseText);
		result = Anthem_GetResult(x);
		if (result.error) {
			Anthem_DebugError(result.error);
			if (window.Anthem_Error) {
				Anthem_Error(result);
			}
		}
		if (updatePageAfterCallBack) {
			Anthem_UpdatePage(result);
		}
		Anthem_EvalClientSideScript(result);
		if (window.Anthem_PostCallBack) {
			Anthem_PostCallBack();
		}
	}
	return result;
}

function Anthem_GetResult(x) {
	var result = { "value": null, "error": null };
	var responseText = x.responseText;
	try {
		result = eval("(" + responseText + ")");
	} catch (e) {
		if (responseText.length == 0) {
			result.error = "NORESPONSE";
		} else {
			result.error = "BADRESPONSE";
			result.responseText = responseText;
		}
	}
	return result;
}

function Anthem_SetHiddenInputValue(form, name, value) {
    var input = null;
    if (form[name]) {
        input = form[name];
    } else {
        input = document.createElement("input");
        input.setAttribute("name", name);
        input.setAttribute("type", "hidden");
    }
    input.setAttribute("value", value);
    var parentElement = input.parentElement ? input.parentElement : input.parentNode;
    if (parentElement == null) {
        form.appendChild(input);
        form[name] = input;
    }
}

function Anthem_RemoveHiddenInput(form, name) {
    var input = form[name];
    var parentElement = input.parentElement ? input.parentElement : input.parentNode;
    if (input && parentElement == form) {
        form[name] = null;
        form.removeChild(input);
    }
}

function Anthem_FireEvent(eventTarget, eventArgument, clientCallBack, clientCallBackArg, includeControlValuesWithCallBack, updatePageAfterCallBack) {
	var form = document.getElementById(Anthem_FormID);
	Anthem_SetHiddenInputValue(form, "__EVENTTARGET", eventTarget);
	Anthem_SetHiddenInputValue(form, "__EVENTARGUMENT", eventArgument);
	Anthem_CallBack(null, null, null, null, null, clientCallBack, clientCallBackArg, includeControlValuesWithCallBack, updatePageAfterCallBack);
	form.__EVENTTARGET.value = "";
	form.__EVENTARGUMENT.value = "";
}

function Anthem_UpdatePage(result) {
	var form = document.getElementById(Anthem_FormID);
	if (result.viewState) {
		Anthem_SetHiddenInputValue(form, "__VIEWSTATE", result.viewState);
	}
	if (result.viewStateEncrypted) {
		Anthem_SetHiddenInputValue(form, "__VIEWSTATEENCRYPTED", result.viewStateEncrypted);
	}
	if (result.eventValidation) {
		Anthem_SetHiddenInputValue(form, "__EVENTVALIDATION", result.eventValidation);
	}
	if (result.controls) {
		for (var controlID in result.controls) {
			var containerID = "Anthem_" + controlID.split("$").join("_") + "__";
			var control = document.getElementById(containerID);
			if (control) {
				control.innerHTML = result.controls[controlID];
				if (result.controls[controlID] == "") {
					control.style.display = "none";
				} else {
					control.style.display = "";
				}
			}
		}
	}
	if (result.pagescript) {
	    Anthem_LoadPageScript(result, 0);
	}