/**
 * JsHttpRequest: JavaScript "AJAX" data loader Minimized version: see debug
 * directory for the complete one.
 * 
 * @license LGPL
 * @author Dmitry Koterov, http://en.dklab.ru/lib/JsHttpRequest/
 * @version 5.x $Id: ajax.js 4636 2011-06-07 15:05:43Z esprit $
 */
function JsHttpRequest() {
	var t = this;
	t.onreadystatechange = null;
	t.readyState = 0;
	t.responseText = null;
	t.responseXML = null;
	t.status = 200;
	t.statusText = "OK";
	t.responseJS = null;
	t.caching = false;
	t.loader = null;
	t.session_name = "PHPSESSID";
	t._ldObj = null;
	t._reqHeaders = [];
	t._openArgs = null;
	t._errors = {
		inv_form_el : "Invalid FORM element detected: name=%, tag=%",
		must_be_single_el : "If used, <form> must be a single HTML element in the list.",
		js_invalid : "JavaScript code generated by backend is invalid!\n%",
		url_too_long : "Cannot use so long query with GET request (URL is larger than % bytes)",
		unk_loader : "Unknown loader: %",
		no_loaders : "No loaders registered at all, please check JsHttpRequest.LOADERS array",
		no_loader_matched : "Cannot find a loader which may process the request. Notices are:\n%",
		no_headers : "Method setRequestHeader() cannot work together with the % loader."
	};
	t.abort = function() {
		with (this) {
			if (_ldObj && _ldObj.abort) {
				_ldObj.abort();
			}
			_cleanup();
			if (readyState == 0) {
				return;
			}
			if (readyState == 1 && !_ldObj) {
				readyState = 0;
				return;
			}
			_changeReadyState(4, true);
		}
	};
	t.open = function(_2, _3, _4, _5, _6) {
		with (this) {
			try {
				if (document.location.search.match(new RegExp("[&?]"
						+ session_name + "=([^&?]*)"))
						|| document.cookie.match(new RegExp("(?:;|^)\\s*"
								+ session_name + "=([^;]*)"))) {
					_3 += (_3.indexOf("?") >= 0 ? "&" : "?") + session_name
							+ "=" + this.escape(RegExp.$1);
				}
			} catch (e) {
			}
			_openArgs = {
				method : (_2 || "").toUpperCase(),
				url : _3,
				asyncFlag : _4,
				username : _5 != null ? _5 : "",
				password : _6 != null ? _6 : ""
			};
			_ldObj = null;
			_changeReadyState(1, true);
			return true;
		}
	};
	t.send = function(_7) {
		if (!this.readyState) {
			return;
		}
		this._changeReadyState(1, true);
		this._ldObj = null;
		var _8 = [];
		var _9 = [];
		if (!this._hash2query(_7, null, _8, _9)) {
			return;
		}
		var _a = null;
		if (this.caching && !_9.length) {
			_a = this._openArgs.username + ":" + this._openArgs.password + "@"
					+ this._openArgs.url + "|" + _8 + "#"
					+ this._openArgs.method;
			var _b = JsHttpRequest.CACHE[_a];
			if (_b) {
				this._dataReady(_b[0], _b[1]);
				return false;
			}
		}
		var _c = (this.loader || "").toLowerCase();
		if (_c && !JsHttpRequest.LOADERS[_c]) {
			return this._error("unk_loader", _c);
		}
		var _d = [];
		var _e = JsHttpRequest.LOADERS;
		for ( var _f in _e) {
			var ldr = _e[_f].loader;
			if (!ldr) {
				continue;
			}
			if (_c && _f != _c) {
				continue;
			}
			var _11 = new ldr(this);
			JsHttpRequest.extend(_11, this._openArgs);
			JsHttpRequest.extend(_11, {
				queryText : _8.join("&"),
				queryElem : _9,
				id : (new Date().getTime()) + "" + JsHttpRequest.COUNT++,
				hash : _a,
				span : null
			});
			var _12 = _11.load();
			if (!_12) {
				this._ldObj = _11;
				JsHttpRequest.PENDING[_11.id] = this;
				return true;
			}
			if (!_c) {
				_d[_d.length] = "- " + _f.toUpperCase() + ": " + this._l(_12);
			} else {
				return this._error(_12);
			}
		}
		return _f ? this._error("no_loader_matched", _d.join("\n")) : this
				._error("no_loaders");
	};
	t.getAllResponseHeaders = function() {
		with (this) {
			return _ldObj && _ldObj.getAllResponseHeaders ? _ldObj
					.getAllResponseHeaders() : [];
		}
	};
	t.getResponseHeader = function(_13) {
		with (this) {
			return _ldObj && _ldObj.getResponseHeader ? _ldObj
					.getResponseHeader() : [];
		}
	};
	t.setRequestHeader = function(_14, _15) {
		with (this) {
			_reqHeaders[_reqHeaders.length] = [ _14, _15 ];
		}
	};
	t._dataReady = function(_16, js) {
		with (this) {
			if (caching && _ldObj) {
				JsHttpRequest.CACHE[_ldObj.hash] = [ _16, js ];
			}
			if (_16 !== null || js !== null) {
				status = 4;
				responseText = responseXML = _16;
				responseJS = js;
			} else {
				status = 500;
				responseText = responseXML = responseJS = null;
			}
			_changeReadyState(2);
			_changeReadyState(3);
			_changeReadyState(4);
			_cleanup();
		}
	};
	t._l = function(_18) {
		var i = 0, p = 0, msg = this._errors[_18[0]];
		while ((p = msg.indexOf("%", p)) >= 0) {
			var a = _18[++i] + "";
			msg = msg.substring(0, p) + a + msg.substring(p + 1, msg.length);
			p += 1 + a.length;
		}
		return msg;
	};
	t._error = function(msg) {
		msg = this._l(typeof (msg) == "string" ? arguments : msg);
		msg = "JsHttpRequest: " + msg;
		if (!window.Error) {
			throw msg;
		} else {
			if ((new Error(1, "test")).description == "test") {
				throw new Error(1, msg);
			} else {
				throw new Error(msg);
			}
		}
	};
	t._hash2query = function(_1e, _1f, _20, _21) {
		if (_1f == null) {
			_1f = "";
		}
		if (("" + typeof (_1e)).toLowerCase() == "object") {
			var _22 = false;
			if (_1e && _1e.parentNode && _1e.parentNode.appendChild
					&& _1e.tagName && _1e.tagName.toUpperCase() == "FORM") {
				_1e = {
					form : _1e
				};
			}
			for ( var k in _1e) {
				var v = _1e[k];
				if (v instanceof Function) {
					continue;
				}
				var _25 = _1f ? _1f + "[" + this.escape(k) + "]" : this
						.escape(k);
				var _26 = v && v.parentNode && v.parentNode.appendChild
						&& v.tagName;
				if (_26) {
					var tn = v.tagName.toUpperCase();
					if (tn == "FORM") {
						_22 = true;
					} else {
						if (tn == "INPUT" || tn == "TEXTAREA" || tn == "SELECT") {
						} else {
							return this._error("inv_form_el", (v.name || ""),
									v.tagName);
						}
					}
					_21[_21.length] = {
						name : _25,
						e : v
					};
				} else {
					if (v instanceof Object) {
						this._hash2query(v, _25, _20, _21);
					} else {
						if (v === null) {
							continue;
						}
						_20[_20.length] = _25 + "=" + this.escape("" + v);
					}
				}
				if (_22 && _21.length > 1) {
					return this._error("must_be_single_el");
				}
			}
		} else {
			_20[_20.length] = _1e;
		}
		return true;
	};
	t._cleanup = function() {
		var _28 = this._ldObj;
		if (!_28) {
			return;
		}
		JsHttpRequest.PENDING[_28.id] = false;
		var _29 = _28.span;
		if (!_29) {
			return;
		}
		_28.span = null;
		var _2a = function() {
			_29.parentNode.removeChild(_29);
		};
		JsHttpRequest.setTimeout(_2a, 50);
	};
	t._changeReadyState = function(s, _2c) {
		with (this) {
			if (_2c) {
				status = statusText = responseJS = null;
				responseText = "";
			}
			readyState = s;
			if (onreadystatechange) {
				onreadystatechange();
			}
		}
	};
	t.escape = function(s) {
		return escape(s).replace(new RegExp("\\+", "g"), "%2B");
	};
}
JsHttpRequest.COUNT = 0;
JsHttpRequest.MAX_URL_LEN = 2000;
JsHttpRequest.CACHE = {};
JsHttpRequest.PENDING = {};
JsHttpRequest.LOADERS = {};
JsHttpRequest._dummy = function() {
};
JsHttpRequest.TIMEOUTS = {
	s : window.setTimeout,
	c : window.clearTimeout
};
JsHttpRequest.setTimeout = function(_2e, dt) {
	window.JsHttpRequest_tmp = JsHttpRequest.TIMEOUTS.s;
	if (typeof (_2e) == "string") {
		id = window.JsHttpRequest_tmp(_2e, dt);
	} else {
		var id = null;
		var _31 = function() {
			_2e();
			delete JsHttpRequest.TIMEOUTS[id];
		};
		id = window.JsHttpRequest_tmp(_31, dt);
		JsHttpRequest.TIMEOUTS[id] = _31;
	}
	window.JsHttpRequest_tmp = null;
	return id;
};
JsHttpRequest.clearTimeout = function(id) {
	window.JsHttpRequest_tmp = JsHttpRequest.TIMEOUTS.c;
	delete JsHttpRequest.TIMEOUTS[id];
	var r = window.JsHttpRequest_tmp(id);
	window.JsHttpRequest_tmp = null;
	return r;
};
JsHttpRequest.query = function(url, _35, _36, _37) {
	var req = new this();
	req.caching = !_37;
	req.onreadystatechange = function() {
		if (req.readyState == 4) {
			_36(req.responseJS, req.responseText);
		}
	};
	var _39 = null;
	if (url.match(/^((\w+)\.)?(GET|POST)\s+(.*)/i)) {
		req.loader = RegExp.$2 ? RegExp.$2 : null;
		_39 = RegExp.$3;
		url = RegExp.$4;
	}
	req.open(_39, url, true);
	req.send(_35);
};
JsHttpRequest.dataReady = function(d) {
	var th = this.PENDING[d.id];
	delete this.PENDING[d.id];
	if (th) {
		th._dataReady(d.text, d.js);
	} else {
		if (th !== false) {
			throw "dataReady(): unknown pending id: " + d.id;
		}
	}
};
JsHttpRequest.extend = function(_3c, src) {
	for ( var k in src) {
		_3c[k] = src[k];
	}
};
JsHttpRequest.LOADERS.xml = {
	loader : function(req) {
		JsHttpRequest
				.extend(
						req._errors,
						{
							xml_no : "Cannot use XMLHttpRequest or ActiveX loader: not supported",
							xml_no_diffdom : "Cannot use XMLHttpRequest to load data from different domain %",
							xml_no_headers : "Cannot use XMLHttpRequest loader or ActiveX loader, POST method: headers setting is not supported, needed to work with encodings correctly",
							xml_no_form_upl : "Cannot use XMLHttpRequest loader: direct form elements using and uploading are not implemented"
						});
		this.load = function() {
			if (this.queryElem.length) {
				return [ "xml_no_form_upl" ];
			}
			if (this.url.match(new RegExp("^([a-z]+)://([^\\/]+)(.*)", "i"))) {
				if (RegExp.$2.toLowerCase() == document.location.hostname
						.toLowerCase()) {
					this.url = RegExp.$3;
				} else {
					return [ "xml_no_diffdom", RegExp.$2 ];
				}
			}
			var xr = null;
			if (window.XMLHttpRequest) {
				try {
					xr = new XMLHttpRequest();
				} catch (e) {
				}
			} else {
				if (window.ActiveXObject) {
					try {
						xr = new ActiveXObject("Microsoft.XMLHTTP");
					} catch (e) {
					}
					if (!xr) {
						try {
							xr = new ActiveXObject("Msxml2.XMLHTTP");
						} catch (e) {
						}
					}
				}
			}
			if (!xr) {
				return [ "xml_no" ];
			}
			var _41 = window.ActiveXObject || xr.setRequestHeader;
			if (!this.method) {
				this.method = _41 ? "POST" : "GET";
			}
			if (this.method == "GET") {
				if (this.queryText) {
					this.url += (this.url.indexOf("?") >= 0 ? "&" : "?")
							+ this.queryText;
				}
				this.queryText = "";
				if (this.url.length > JsHttpRequest.MAX_URL_LEN) {
					return [ "url_too_long", JsHttpRequest.MAX_URL_LEN ];
				}
			} else {
				if (this.method == "POST" && !_41) {
					return [ "xml_no_headers" ];
				}
			}
			this.url += (this.url.indexOf("?") >= 0 ? "&" : "?")
					+ "JsHttpRequest=" + (req.caching ? "0" : this.id) + "-xml";
			var id = this.id;
			xr.onreadystatechange = function() {
				if (xr.readyState != 4) {
					return;
				}
				xr.onreadystatechange = JsHttpRequest._dummy;
				req.status = null;
				try {
					req.status = xr.status;
					req.responseText = xr.responseText;
				} catch (e) {
				}
				if (!req.status) {
					return;
				}
				try {
					eval("JsHttpRequest._tmp = function(id) { var d = "
							+ req.responseText
							+ "; d.id = id; JsHttpRequest.dataReady(d); }");
				} catch (e) {
					return req._error("js_invalid", req.responseText);
				}
				JsHttpRequest._tmp(id);
				JsHttpRequest._tmp = null;
			};
			xr.open(this.method, this.url, true, this.username, this.password);
			if (_41) {
				for ( var i = 0; i < req._reqHeaders.length; i++) {
					xr.setRequestHeader(req._reqHeaders[i][0],
							req._reqHeaders[i][1]);
				}
				xr.setRequestHeader("Content-Type", "application/octet-stream");
			}
			xr.send(this.queryText);
			this.span = null;
			this.xr = xr;
			return null;
		};
		this.getAllResponseHeaders = function() {
			return this.xr.getAllResponseHeaders();
		};
		this.getResponseHeader = function(_44) {
			return this.xr.getResponseHeader(_44);
		};
		this.abort = function() {
			this.xr.abort();
			this.xr = null;
		};
	}
};
JsHttpRequest.LOADERS.script = {
	loader : function(req) {
		JsHttpRequest
				.extend(
						req._errors,
						{
							script_only_get : "Cannot use SCRIPT loader: it supports only GET method",
							script_no_form : "Cannot use SCRIPT loader: direct form elements using and uploading are not implemented"
						});
		this.load = function() {
			if (this.queryText) {
				this.url += (this.url.indexOf("?") >= 0 ? "&" : "?")
						+ this.queryText;
			}
			this.url += (this.url.indexOf("?") >= 0 ? "&" : "?")
					+ "JsHttpRequest=" + this.id + "-" + "script";
			this.queryText = "";
			if (!this.method) {
				this.method = "GET";
			}
			if (this.method !== "GET") {
				return [ "script_only_get" ];
			}
			if (this.queryElem.length) {
				return [ "script_no_form" ];
			}
			if (this.url.length > JsHttpRequest.MAX_URL_LEN) {
				return [ "url_too_long", JsHttpRequest.MAX_URL_LEN ];
			}
			if (req._reqHeaders.length) {
				return [ "no_headers", "SCRIPT" ];
			}
			var th = this, d = document, s = null, b = d.body;
			if (!window.opera) {
				this.span = s = d.createElement("SCRIPT");
				var _4a = function() {
					s.language = "JavaScript";
					if (s.setAttribute) {
						s.setAttribute("src", th.url);
					} else {
						s.src = th.url;
					}
					b.insertBefore(s, b.lastChild);
				};
			} else {
				this.span = s = d.createElement("SPAN");
				s.style.display = "none";
				b.insertBefore(s, b.lastChild);
				s.innerHTML = "Workaround for IE.<s" + "cript></" + "script>";
				var _4a = function() {
					s = s.getElementsByTagName("SCRIPT")[0];
					s.language = "JavaScript";
					if (s.setAttribute) {
						s.setAttribute("src", th.url);
					} else {
						s.src = th.url;
					}
				};
			}
			JsHttpRequest.setTimeout(_4a, 10);
			return null;
		};
	}
};
JsHttpRequest.LOADERS.form = {
	loader : function(req) {
		JsHttpRequest
				.extend(
						req._errors,
						{
							form_el_not_belong : "Element \"%\" does not belong to any form!",
							form_el_belong_diff : "Element \"%\" belongs to a different form. All elements must belong to the same form!",
							form_el_inv_enctype : "Attribute \"enctype\" of the form must be \"%\" (for IE), \"%\" given."
						});
		this.load = function() {
			var th = this;
			if (!th.method) {
				th.method = "POST";
			}
			th.url += (th.url.indexOf("?") >= 0 ? "&" : "?") + "JsHttpRequest="
					+ th.id + "-" + "form";
			if (req._reqHeaders.length) {
				return [ "no_headers", "FORM" ];
			}
			if (th.method == "GET") {
				if (th.queryText) {
					th.url += (th.url.indexOf("?") >= 0 ? "&" : "?")
							+ th.queryText;
				}
				if (th.url.length > JsHttpRequest.MAX_URL_LEN) {
					return [ "url_too_long", JsHttpRequest.MAX_URL_LEN ];
				}
				var p = th.url.split("?", 2);
				th.url = p[0];
				th.queryText = p[1] || "";
			}
			var _4e = null;
			var _4f = false;
			if (th.queryElem.length) {
				if (th.queryElem[0].e.tagName.toUpperCase() == "FORM") {
					_4e = th.queryElem[0].e;
					_4f = true;
					th.queryElem = [];
				} else {
					_4e = th.queryElem[0].e.form;
					for ( var i = 0; i < th.queryElem.length; i++) {
						var e = th.queryElem[i].e;
						if (!e.form) {
							return [ "form_el_not_belong", e.name ];
						}
						if (e.form != _4e) {
							return [ "form_el_belong_diff", e.name ];
						}
					}
				}
				if (th.method == "POST") {
					var _52 = "multipart/form-data";
					var _53 = (_4e.attributes.encType && _4e.attributes.encType.nodeValue)
							|| (_4e.attributes.enctype && _4e.attributes.enctype.value)
							|| _4e.enctype;
					if (_53 != _52) {
						return [ "form_el_inv_enctype", _52, _53 ];
					}
				}
			}
			var d = _4e && (_4e.ownerDocument || _4e.document) || document;
			var _55 = "jshr_i_" + th.id;
			var s = th.span = d.createElement("DIV");
			s.style.position = "absolute";
			s.style.display = "none";
			s.style.visibility = "hidden";
			s.innerHTML = (_4e ? ""
					: "<form"
							+ (th.method == "POST" ? " enctype=\"multipart/form-data\" method=\"post\""
									: "") + "></form>")
					+ "<iframe name=\""
					+ _55
					+ "\" id=\""
					+ _55
					+ "\" style=\"width:0px; height:0px; overflow:hidden; border:none\"></iframe>";
			if (!_4e) {
				_4e = th.span.firstChild;
			}
			d.body.insertBefore(s, d.body.lastChild);
			var _57 = function(e, _59) {
				var sv = [];
				var _5b = e;
				if (e.mergeAttributes) {
					var _5b = d.createElement("form");
					_5b.mergeAttributes(e, false);
				}
				for ( var i = 0; i < _59.length; i++) {
					var k = _59[i][0], v = _59[i][1];
					sv[sv.length] = [ k, _5b.getAttribute(k) ];
					_5b.setAttribute(k, v);
				}
				if (e.mergeAttributes) {
					e.mergeAttributes(_5b, false);
				}
				return sv;
			};
			var _5f = function() {
				top.JsHttpRequestGlobal = JsHttpRequest;
				var _60 = [];
				if (!_4f) {
					for ( var i = 0, n = _4e.elements.length; i < n; i++) {
						_60[i] = _4e.elements[i].name;
						_4e.elements[i].name = "";
					}
				}
				var qt = th.queryText.split("&");
				for ( var i = qt.length - 1; i >= 0; i--) {
					var _64 = qt[i].split("=", 2);
					var e = d.createElement("INPUT");
					e.type = "hidden";
					e.name = unescape(_64[0]);
					e.value = _64[1] != null ? unescape(_64[1]) : "";
					_4e.appendChild(e);
				}
				for ( var i = 0; i < th.queryElem.length; i++) {
					th.queryElem[i].e.name = th.queryElem[i].name;
				}
				var sv = _57(_4e, [ [ "action", th.url ],
						[ "method", th.method ], [ "onsubmit", null ],
						[ "target", _55 ] ]);
				_4e.submit();
				_57(_4e, sv);
				for ( var i = 0; i < qt.length; i++) {
					_4e.lastChild.parentNode.removeChild(_4e.lastChild);
				}
				if (!_4f) {
					for ( var i = 0, n = _4e.elements.length; i < n; i++) {
						_4e.elements[i].name = _60[i];
					}
				}
			};
			JsHttpRequest.setTimeout(_5f, 100);
			return null;
		};
	}
};