/*
 * Copyright 2008 Jeffery Palm.
 */

function getSelText() {
  var txt = '';
  if (window.getSelection) {
    txt = window.getSelection();
  } else if (document.getSelection) {
    txt = document.getSelection();
  } else if (document.selection) {
    txt = document.selection.createRange().text;
  }
  return txt;
}

function ajax(url) {
  var xmlHttpReq = false;
  var self = this;
  // Mozilla/Safari
  if (window.XMLHttpRequest) {
    self.xmlHttpReq = new XMLHttpRequest();
  }
  // IE
  else if (window.ActiveXObject) {
    self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
  }
  self.xmlHttpReq.open('POST', url, true);
  self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
  self.xmlHttpReq.onreadystatechange = function() {
    if (self.xmlHttpReq.readyState == 4) {
      var r = self.xmlHttpReq.responseText;
      var s = "";
      if (description) s += description + ":\n";
      s += r;
      alert(s);
    }
  }
  self.xmlHttpReq.send(url);
}

function getquerystring() {
    var form     = document.forms['f1'];
    var word = form.word.value;
    qstr = 'w=' + escape(word);  // NOTE: no '?' before querystring
    return qstr;
}

function $n(tag,on) {
	var e = document.createElement(tag);
	if (on) on.appendChild(e);
  if (arguments.length > 2) setId(e,arguments[2]);
	return e;
}

function $t(text,on) {
	var e = document.createTextNode(text);
	if (on) on.appendChild(e);
	return e;
}

function br(s) {
  $n("br",s);
}

function main() {
  var sel = getSelText();
  var url = "/jstranslate/translate.php?q=" + escape(sel);
  if (lang) url += '&lang=' + escape(lang);
  ajax(url);
}

main();