// -------------------------------------------------------------------
//
// EVENT HANDLERS
//
// -------------------------------------------------------------------
var newline_string = "\n";
var quoted_msg_marker = "";
var require_categorization = 1;
var cur_phrases = new Object();
// --------------
function findOpeningPos(str) {
  return 0;
}
function textChangeHandler() {
  NEEDS_SPELLCHECK = 1;
  left_frame = parent.frames.left;
  if (left_frame.invalidate) {
  // perhaps we should just switch back to the summary
  left_frame.invalidate();
  }
}
function spellcheck() {
  // alert("spellcheck");
  // find the useful part of the body
  var raw_body = document.reply.reply.value;
  var start_pos = 0;
  var end_pos = -1;
  start_pos = findPhraseType("header",1);
  if (start_pos == -1) {
  start_pos = findPhraseType("greeting",1);
  }
  if (start_pos == -1) {
  start_pos = 0;
  }
  while (start_pos < raw_body.length &&
         (raw_body.charCodeAt(start_pos) == 10 || 
         raw_body.charCodeAt(start_pos) == 13 ||
         raw_body.charCodeAt(start_pos) == 32)) {
     start_pos++;
  }

  end_pos = findPhraseType("footer");
  if (end_pos == -1) {
    end_pos = findPhraseType("signature");
  }
  if (end_pos == -1) {
    end_match = strstr(raw_body,quoted_msg_marker);
    if (end_match) {
      end_pos = end_match.start;
    }
  }
  
  if (end_pos == -1) {  
    end_pos = raw_body.length;
  }
  var body_text = raw_body.substring(start_pos,end_pos);

  // build the spellcheck submit form
  var aFrm = parent.parent.frames.frmInvisible;
  aFrm.document.clear();
  aFrm.document.open();
  aFrm.document.write('<');
  aFrm.document.write('HTML><');
  aFrm.document.write('HEAD><');
  aFrm.document.write('BODY>');
  aFrm.document.write('<FORM METHOD=POST NAME=spellcheck TARGET="left" ACTION="/cgi-bin/spellcheck.py">');
  aFrm.document.write('<INPUT TYPE=HIDDEN NAME=body_offset VALUE="' + start_pos + '">');
  aFrm.document.write('<INPUT TYPE=HIDDEN NAME=lang VALUE="">');
  aFrm.document.write('<TEXTAREA NAME=body>');
  aFrm.document.write(body_text);
  aFrm.document.write('</TEXTAREA>');
  aFrm.document.write('</FORM>');
  aFrm.document.write('<SCRIPT LANGUAGE="JavaScript">\n<!--\n');
  aFrm.document.write('function pageload() { document.spellcheck.submit(); }\n');
  aFrm.document.write('pageload();\n');
  aFrm.document.write('\n// --');
  aFrm.document.write('>\n<');
  aFrm.document.write('/SCRIPT>\n');
 aFrm.document.write('</');
  aFrm.document.write('BODY></');
  aFrm.document.write('HTML>');
  aFrm.document.close();
  // IE only way
  // aFrm.spellcheck.submit();
  // parent.frames.left.location.replace("/cgi-bin/
}
function findPhraseType(phrtype,end_pos) {
  if (cur_phrases[phrtype]) {
  var body = document.reply.reply.value;
  var phrpos = null;
  if (end_pos == -1) {
  phrpos = strstr(body,newline_string + newline_string + cur_phrases[phrtype]);
  if (!phrpos) {
  phrpos = strstr(body,newline_string + cur_phrases[phrtype]);
  }
  }
  if (!phrpos) {
  phrpos = strstr(body,cur_phrases[phrtype]);
  }
  if (!phrpos) {
  return -1;
  }
  if (end_pos == 1) {
  return (phrpos.start + phrpos.match_len);
  } else {
  return phrpos.start;
  }
  }
  return -1;
}
function replacePhrase(phrtype,newphrase,should_moveto) {
  var body = document.reply.reply.value;
  oldphrase = cur_phrases[phrtype];
  if (oldphrase) {
  // alert_string(oldphrase);
  // alert_string(body);
  var phrobj = strstr(body,oldphrase);
  // var re = new RegExp(oldphrase,"g");
  // var phr_index = body.search(re);
  if (phrobj) {
  // alert("replacing strlen: " + oldphrase.length + "," + phrobj.match_len);
  var new_body = body.substring(0,phrobj.start) + newphrase +
  body.substring(phrobj.end,body.length);
  document.reply.reply.value = new_body;
  cur_phrases[phrtype] = newphrase;
  if (should_moveto) {
  tr = document.reply.reply.createTextRange()
  tr.collapse();
  tr.move("character",phrobj.start);
  tr.scrollIntoView();
  }
  return;
  }
  }
  // we failed, so just insert the new phrase
  var pos = 0;
  var prefix = "";
  var suffix = "";
  if (phrtype == "greeting") {
  pos = 0;
  }
  if (phrtype == "footer") {
  // look for signature and put right above it
  var grtpos = findPhraseType("signature");
  if (grtpos != -1) {
  pos = grtpos;
  } else {
  // look for "Original Message Follows:"
  var endmarker = strstr(body,quoted_msg_marker);
  if (endmarker) {
  pos = endmarker.start;
  } else {
  // put it at the end!
  pos = body.length;
  }
  }
  }
  if (phrtype == "signature") {
  // look for "Original Message Follows:"
  var endmarker = strstr(body,quoted_msg_marker);
  if (endmarker) {
  pos = endmarker.start;
  } else {
  // put it at the end!
  pos = body.length-1;
  }
  }
  if (phrtype == "header") {
  // try to find the greeting and put it right after
  var grtpos = findPhraseType("greeting",1);
  if (grtpos != -1) {
  pos = grtpos;
  } else {
  // if there was no greeting, then skip the first one-liner
  }
  }
  cur_phrases[phrtype] = newphrase;
  var new_body = body.substring(0,pos) + prefix + newphrase + suffix +
  body.substring(pos,body.length);
  document.reply.reply.value = new_body;
  if (should_moveto) {
  tr = document.reply.reply.createTextRange()
  tr.collapse();
  tr.move("character",pos);
  tr.scrollIntoView();
  }
}
function phraseSelectHandler(phrase_name,should_moveto) {
  var select_obj = document.reply[phrase_name];
  if (select_obj) {
  var len = select_obj.options.length;
  var x;
  for (x=0;x<len;x++) {
      if (select_obj.options[x].selected) {
        var val = select_obj.options[x].value;
        if (val == "none") {
          var newphrase = "";
        } else {
          var newphrase = val.substring(val.indexOf(",")+1,val.length) + newline_string + newline_string;
        }
        replacePhrase(phrase_name,newphrase,should_moveto);
      }
    }
  }
}

function selectIdOfType(phrase_id,phrase_type) {
  var select_obj = document.reply[phrase_type];
  var len = select_obj.options.length;
  var x;
  var val;
  var id;
  for (x=0;x<len;x++) {
    val = select_obj.options[x].value;
    id = val.substring(0,val.indexOf(","));
    if (id == phrase_id) {
      select_obj.options[x].selected = 1;
      phraseSelectHandler(phrase_type);
    }
  }
}

function selectPhraseId(phrase_id) {
  selectIdOfType(phrase_id,"greeting");
  selectIdOfType(phrase_id,"footer");
  selectIdOfType(phrase_id,"header");
  selectIdOfType(phrase_id,"signature");
}

function allowSubmitHandler() {
  document.reply.NOSUBMIT = 0;
}


function filepickHandler() {
  alert('filepick!');
}

function uploadHandler() {
  parent.frames.frmUpload.upload_form.ATTACH_FILE.click();
  // document.reply.ATTACH_FILE.click();
}

function hotkeyInputHandler(e) {
  // if it's a key and not a carriage return, then continue..
  /* for IE get e from window.event */
  if (document.all) {
      e = window.event;
      key = e.keyCode;
  } else {
      key = e.which;
  }

  if (e && key == 13) {
      addHotkey();
  }
  return !(e && key == 13);
}

function catViewHandler() {
  cat_obj = document.reply.CATEGORY;	

  value = cat_obj.options[cat_obj.selectedIndex].value;

  parent.left.location.href = "/cat_top_frm.cs?browse=1&cat_id=" + value;

  document.reply.NOSUBMIT = 1;
}

function attachViewHandler() {
  obj = document.reply.ATTACH;

  value = obj.options[obj.selectedIndex].value;

  window.open('/cgi-bin/upload_view.py?md5_id=' + value);

//  window.open('/cgi-bin/upload_view.py?md5_id=' + value,'attachment: ' + value,'width=400,height=600,toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,copyhistory=yes,resizable=yes');


  document.reply.NOSUBMIT = 1;
}

function catSelectHandler() {
  optionBoxSelectHandler(document.reply.CATEGORY,
    document.reply.CAT_REMOVE,
    document.reply.CAT_VIEW);
}
function attachSelectHandler() {
  optionBoxSelectHandler(document.reply.ATTACH,
    document.reply.ATTACH_REMOVE,
    document.reply.ATTACH_VIEW);
}

function catRemoveHandler() {
  optionBoxRemoveHandler(document.reply.CATEGORY,
     document.reply.CAT_REMOVE,
     document.reply.CAT_VIEW);

  if (require_categorization && (document.reply.CATEGORY.options.length == 1)) {
    disableButtons();
  }
}

function attachRemoveHandler() {
  optionBoxRemoveHandler(document.reply.ATTACH,
     document.reply.ATTACH_REMOVE,
     document.reply.ATTACH_VIEW);
}

function enableHotkeyButton() {
  document.reply["Action.HotkeyAdd"].disabled=0;
}

function selectHotkey() {
  document.reply.hotkey.select();
}
function clearHotkey() {
  document.reply.hotkey.value = "";
}

function addAttachment(attach_name,attach_value) {
  optionBoxAddElement(document.reply.ATTACH,attach_name,attach_value);
}

function addFAQText(faq_text) {
  var old_text = document.reply.reply.value;

  var pos = findPhraseType("footer",-1);
  if (pos == -1) {
    pos = findPhraseType("signature",-1);
  }
  if (pos == -1) {
    match = strstr(old_text,quoted_msg_marker,-1);
    if (match) {
      pos = match.start;
    }
  }
  if (pos == -1) {
    pos = old_text.length;
  }

  var tr_index = pos;

  new_text = old_text.substring(0,tr_index) +  faq_text + old_text.substring(tr_index,old_text.length);

  document.reply.reply.value = new_text;
  

}

function addCategory(cat_name,cat_value) {
  optionBoxAddElement(document.reply.CATEGORY,cat_name,cat_value);

  if (require_categorization) {
    enableButtons();
  }
}

// -----------------------------------------------------------------------
//
//        GENERIC OPTION BOX FUNCTIONS
//

function optionBoxValueList(ob_obj) {
  var vl_str = "";
  var n;
  var ob_len = ob_obj.options.length;

  for (n = 0 ; n < (ob_len-1) ; n++) {
    if (vl_str.length > 0) {
  vl_str = vl_str + ";";
  }
  vl_str = vl_str + ob_obj.options[n].value;
  }
  return vl_str;
}
function optionBoxSelectHandler(cat_obj,remove_btn,view_btn) {
  if (cat_obj.options.length > 1) {
  len = cat_obj.options.length;
  si = cat_obj.selectedIndex;
  if (si == (len-1)) {
  cat_obj.selectedIndex = si - 1;
  }
  // enable remove and view buttons
  remove_btn.disabled = 0;
  view_btn.disabled = 0;
  } else {
  // don't let them select the "empty" line
  cat_obj.selectedIndex = -1;
  }
}
function optionBoxRemoveHandler(cat_obj,remove_btn,view_btn) {
  // remove the selected element
  si = cat_obj.selectedIndex;
  sl = cat_obj.options.length;
  newlen = sl - 1;
  for (n = si; n < newlen; n++) {
    cat_obj.options[n].text = cat_obj.options[n + 1].text;
    cat_obj.options[n].value = cat_obj.options[n + 1].value;
  }
  cat_obj.options.length = newlen;

  if (newlen == 1) {
    // disabled the buttons 
    remove_btn.disabled = 1;
    view_btn.disabled = 1;

  } else {
    if (si >= (newlen-1)) {
  cat_obj.selectedIndex = si - 1;
  }
  }
  document.reply.NOSUBMIT = 1;
}
function optionBoxAddElement(option_box,e_name,e_value) {
  len = option_box.options.length;
  option_box[len] = new Option(option_box[len-1].text,option_box[len-1].value);
  option_box[len-1] = new Option(e_name,e_value);
}
// ---------------------------------------------------------
//
// other functions
function enter_submit() {
  if (window.event && window.event.keyCode == 13) {
  this.form.submit();
  } else {
  return true;
  }
}
function alert_string(a_string) {
  var msgwindow = window.open("");
  var output = "";
  for (x=0;x<a_string.length;x++) {
    output = output + a_string.charAt(x) + "(" + a_string.charCodeAt(x) + ")\n";
  }
  msgwindow.document.write("<PRE>" + output + "</PRE>");
}
function removeCR(a_string) {
  var x;
  var out_string = ""
  for (x=0;x<a_string.length;x++) {
    if (a_string.charCodeAt(x) != 13) {
      out_string += a_string.charAt(x);  
    }
  }  
  return out_string;
}


function strstr(in_string,find_string) {
  // var msgwindow = window.open("");
  // msgwindow.document.write("<PRE> find_string(" + find_string.length + ") " + find_string + "\n");
  var y=0;
  var x=0;
  var start=0;
  while (x < in_string.length) {
    if (in_string.charCodeAt(x) != 13) {
      while (find_string.charCodeAt(y) == 13) {
        y++;
      }
      if (in_string.charAt(x) == find_string.charAt(y)) {
        if (y == 0) {
          start = x;
        }
        y++;
        // msgwindow.document.write(" Match: " + x + " " + y + "(" + find_string.charAt(y) + ")\n");
        if (y == find_string.length) {
          var obj = new Object();
          obj.start     = start;
          obj.match_len = (x-start) + 1;
          obj.end       = obj.start + obj.match_len;
          return  obj;
        }
      } else {
        if (y > 0) {
  // we missed. restart after where we stoped
  y = 0;
  x = start;
  }
  }
  }
  x++; // next char!
  }
  return null;
}
function onResize() {
  var winW = 630, winH = 460;
if (parseInt(navigator.appVersion)>3) {
 if (navigator.appName=="Netscape") {
  winW = window.innerWidth;
  winH = window.innerHeight;
 }
 if (navigator.appName.indexOf("Microsoft")!=-1) {
  winW = document.body.offsetWidth;
  winH = document.body.offsetHeight;
 }
}
  // compute and set the width
  var overhead = 55;
  var ta_width = ((winW - overhead)) / 7;
  if (ta_width < 20) {
    ta_width = 20;
  }
  var reply_width = ta_width;
  if (reply_width > 74) {
  reply_width = 74;
  }
  document.reply.reply.cols = reply_width;
  document.reply.from_field.size = ta_width - 20;
  document.reply.subject.size = ta_width - 20;
  document.reply.send_reply_to.size = ta_width - 20;
  document.reply.cc.size = ta_width - 20;
  offsetobj = document.reply.reply;
  if (offsetobj.clientTop == null) {
  offset = 340; /* hardcoded y-offset for non-IE5.5 browsers */
  } else {
  offset = 0;
  while (offsetobj) {
  offset += offsetobj.offsetTop + offsetobj.clientTop;
  offsetobj = offsetobj.offsetParent;
  }
  }
  // compute and set the height
  // var overhead = 320;
  var overhead = offset + 25;
  var ta_height = (winH - overhead) / 14;
  if (ta_height < 10) {
    ta_height = 7;
  }
  document.reply.reply.rows = ta_height;
}

function onUnload() {
   // we should stuff away the appropriate data so we can stick it back
   // into the message body in the other pane...
}

document.onresize=onResize;

<!-- 0.010:0 -->