// JavaScript Document
if (window.ActiveXObject && !window.XMLHttpRequest) {
	window.XMLHttpRequest = function() {
		return new ActiveXObject((navigator.userAgent.toLowerCase().indexOf('msie 5') != -1) ? 'Microsoft.XMLHTTP' : 'Msxml2.XMLHTTP');
	};
}
global_fakeOperaXMLHttpRequestSupport = false;
if (window.opera) {
global_fakeOperaXMLHttpRequestSupport = true;
window.XMLHttpRequest = function() {
this.readyState = 0; // 0=uninitialized,1=loading,2=loaded,3=interactive,4=complete
this.status = 0; // HTTP status codes
this.statusText = '';this._headers = [];this._aborted = false;this._async = true;
this.abort = function() {this._aborted = true;};
this.getAllResponseHeaders = function() {return this.getAllResponseHeader('*');};
this.getAllResponseHeader = function(header) {var ret = '';for (var i = 0; i < this._headers.length; i++) {
	if (header == '*' || this._headers[i].h == header) {ret += this._headers[i].h + ': ' + this._headers[i].v + '\n';}
}
return ret;
};
this.setRequestHeader = function(header, value) { this._headers[this._headers.length] = {h:header, v:value}; };
this.open = function(method, url, async, user, password) {
this.method = method;this.url = url;this._async = true;this._aborted = false;
if (arguments.length >= 3) {this._async = async;}
if (arguments.length > 3) {
//user/password support requires a custom Authenticator class
opera.postError('XMLHttpRequest.open() - user/password not supported');
}
this._headers = [];this.readyState = 1;
if (this.onreadystatechange) {this.onreadystatechange();}
};
this.send = function(data) {
if (!navigator.javaEnabled()) {
alert("XMLHttpRequest.send() - Java must be installed and enabled.");
return;
}
if (this._async) {
setTimeout(this._sendasync, 0, this, data);
// this is not really asynchronous and won't execute until the current
// execution context ends
} else {this._sendsync(data);}
}
this._sendasync = function(req, data) {
if (!req._aborted) {
req._sendsync(data);
}
};
this._sendsync = function(data) {
this.readyState = 2;
if (this.onreadystatechange) {
this.onreadystatechange();
}
// open connection
var url = new java.net.URL(new java.net.URL(window.location.href), this.url);
var conn = url.openConnection();
for (var i = 0; i < this._headers.length; i++) {
conn.setRequestProperty(this._headers[i].h, this._headers[i].v);
}
this._headers = [];
if (this.method == 'POST') {
// POST data
conn.setDoOutput(true);
var wr = new java.io.OutputStreamWriter(conn.getOutputStream());
wr.write(data);
wr.flush();
wr.close();
}
// read response headers
// NOTE: the getHeaderField() methods always return nulls for me :(
var gotContentEncoding = false;
var gotContentLength = false;
var gotContentType = false;
var gotDate = false;
var gotExpiration = false;
var gotLastModified = false;
for (var i = 0; ; i++) {
var hdrName = conn.getHeaderFieldKey(i);
var hdrValue = conn.getHeaderField(i);
if (hdrName == null && hdrValue == null) {
  break;
}
if (hdrName != null) {
  this._headers[this._headers.length] = {h:hdrName, v:hdrValue};
  switch (hdrName.toLowerCase()) {
	case 'content-encoding': gotContentEncoding = true; break;
	case 'content-length'  : gotContentLength   = true; break;
	case 'content-type'    : gotContentType     = true; break;
	case 'date'            : gotDate            = true; break;
	case 'expires'         : gotExpiration      = true; break;
	case 'last-modified'   : gotLastModified    = true; break;
  }
}
}
// try to fill in any missing header information
var val;
val = conn.getContentEncoding();
if (val != null && !gotContentEncoding) this._headers[this._headers.length] = {h:'Content-encoding', v:val};
val = conn.getContentLength();
if (val != -1 && !gotContentLength) this._headers[this._headers.length] = {h:'Content-length', v:val};
val = conn.getContentType();
if (val != null && !gotContentType) this._headers[this._headers.length] = {h:'Content-type', v:val};
val = conn.getDate();
if (val != 0 && !gotDate) this._headers[this._headers.length] = {h:'Date', v:(new Date(val)).toUTCString()};
val = conn.getExpiration();
if (val != 0 && !gotExpiration) this._headers[this._headers.length] = {h:'Expires', v:(new Date(val)).toUTCString()};
val = conn.getLastModified();
if (val != 0 && !gotLastModified) this._headers[this._headers.length] = {h:'Last-modified', v:(new Date(val)).toUTCString()};
// read response data
var reqdata = '';
var stream = conn.getInputStream();
if (stream) {
var reader = new java.io.BufferedReader(new java.io.InputStreamReader(stream));
var line;
while ((line = reader.readLine()) != null) {
if (this.readyState == 2) {this.readyState = 3;if (this.onreadystatechange) {this.onreadystatechange();}}reqdata += line + '\n';}
reader.close();this.status = 200;this.statusText = 'OK';this.responseText = reqdata;this.readyState = 4;if (this.onreadystatechange) { this.onreadystatechange();}if (this.onload) {  this.onload();}} else {
// error
this.status = 404;this.statusText = 'Not Found';this.responseText = '';this.readyState = 4;
if (this.onreadystatechange){this.onreadystatechange();}if (this.onerror) {this.onerror();}}};};}
// ActiveXObject emulation
if (!window.ActiveXObject && window.XMLHttpRequest) {window.ActiveXObject = function(type) {switch (type.toLowerCase()) {case 'microsoft.xmlhttp':case 'msxml2.xmlhttp':return new XMLHttpRequest();}return null;};}

function get_url(url_req,funcao, postString){
	var req = new XMLHttpRequest(); 
	var req_post = (typeof postString != 'undefined');
	if (req) { 
		req.onreadystatechange = function() { 
			if (req.readyState == 4 && req.status == 200) { 
				eval(funcao+"(req.responseText)");
			} 
		}
		req.open((req_post)?'POST':'GET', url_req); 
		req.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		req.send((req_post)?postString:null);
	}
}