/**
 * 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 $Id$
 */
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%"};
	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)
		{
			if (_3.match(/^((\w+)\.)?(GET|POST)\s+(.*)/i))
			{
				this.loader = RegExp.$2 ? RegExp.$2 : null;
				_2 = RegExp.$3;
				_3 = RegExp.$4;
			}
			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(_13) : null;
		}
	};
	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];
			}
			responseText = responseXML = _16;
			responseJS = js;
			if (js !== null)
			{
				status = 200;
				statusText = "OK";
			}
			else
			{
				status = 500;
				statusText = "Internal Server Error";
			}
			_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;
						}
						if (v === true)
						{
							v = 1;
						}
						if (v === false)
						{
							v = "";
						}
						_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);
		}
	};
	req.open(null, 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(_3b, src)
{
	for (var k in src)
	{
		_3b[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.$1.toLowerCase() != document.location.protocol + "//" + document.location.hostname.toLowerCase())
			{
				return ["xml_no_diffdom",RegExp.$1];
			}
		}
		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 _40 = window.ActiveXObject || xr.setRequestHeader;
		if (!this.method)
		{
			this.method = _40 && this.queryText.length ? "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" && !_40)
			{
				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
			{
				var _42 = req.responseText || "{ js: null, text: null }";
				eval("JsHttpRequest._tmp = function(id) { var d = " + _42 + "; 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 (_40)
		{
			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];
		}
		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 (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;
	};
}};