defmode = "normalmode"; // default mode. either normalmode, advmode, or helpmode

if(defmode == "advmode") {
helpmode = false;
normalmode = false;
advmode = true;
}else if(defmode == "helpmode") {
helpmode = true;
normalmode = false;
advmode = false;
}else {
helpmode = false;
normalmode = true;
advmode = false;
}

function chmode(swtch) {
if (swtch == 1)    {
advmode = false;
normalmode = false;
helpmode = true;
alert(bbcode_helpmode);
}else if (swtch == 0) {
helpmode = false;
normalmode = false;
advmode = true;
alert(bbcode_advmode);
}else if (swtch == 2) {
helpmode = false;
advmode = false;
normalmode = true;
alert(bbcode_normode);
}
}

function AddText(text) {
if (document.input.message.createTextRange && document.input.message.caretPos) {
var caretPos = document.input.message.caretPos;
caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text;
setfocus();
}else {
document.input.message.value  += text;
setfocus();
}
}

function email() {
    if (helpmode) {
        alert(bbcode_help_email);
    }else if (advmode) {
        AddTxt="[email] [/email]";
        AddText(AddTxt);
    }else {
        txt2=prompt(bbcode_prompt_email,"");
        if (txt2!=null) {
        txt=prompt(bbcode_prompt_emailerror,"name@example.com");
            if (txt!=null) {
                if (txt2=="") {
                    AddTxt="[email]"+txt+"[/email]";
                }else {
                    AddTxt="[email="+txt+"]"+txt2+"[/email]";
                }
                AddText(AddTxt);
            }
        }
    }
}

function chsize(size) {
if (helpmode) {
alert(bbcode_help_size);
}else if (advmode) {
AddTxt="[size="+size+"] [/size]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_size+size,"Text");
if (txt!=null) {
AddTxt="[size="+size+"]"+txt+"[/size]";
AddText(AddTxt);
}
}
}

function chfont(font) {
if (helpmode) {
alert(bbcode_help_font);
}else if (advmode) {
AddTxt="[font="+font+"] [/font]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_font+font,"Text");
if (txt!=null) {
AddTxt="[font="+font+"]"+txt+"[/font]";
AddText(AddTxt);
}
}
}

function bold() {
if (helpmode) {
alert(bbcode_help_bold);
}else if (advmode) {
AddTxt="[b] [/b]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_bold,"Text");
if (txt!=null) {
AddTxt="[b]"+txt+"[/b]";
AddText(AddTxt);
}
}
}

function italicize() {
if (helpmode) {
alert(bbcode_help_italic);
}else if (advmode) {
AddTxt="[i] [/i]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_italic,"Text");
if (txt!=null) {
AddTxt="[i]"+txt+"[/i]";
AddText(AddTxt);
}
}
}

function quote() {
if (helpmode) {
alert(bbcode_help_quote);
}else if (advmode) {
AddTxt="\r[quote]\r[/quote]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_quote,"Text");
if(txt!=null) {
AddTxt="\r[quote]\r"+txt+"\r[/quote]";
AddText(AddTxt);
}
}
}

function chcolor(color) {
if (helpmode) {
alert(bbcode_help_color);
}else if (advmode) {
AddTxt="[color="+color+"] [/color]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_color+color,"Text");
if(txt!=null) {
AddTxt="[color="+color+"]"+txt+"[/color]";
AddText(AddTxt);
}
}
}

function center() {
if (helpmode) {
alert(bbcode_help_center);
}else if (advmode) {
AddTxt="[align=center] [/align]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_center,"Text");
if (txt!=null) {
AddTxt="\r[align=center]"+txt+"[/align]";
AddText(AddTxt);
}
}
}

function hyperlink() {
if (helpmode) {
alert(bbcode_help_link);
}else if (advmode) {
AddTxt="[url] [/url]";
AddText(AddTxt);
}else {
txt2=prompt(bbcode_prompt_link1,"");
if (txt2!=null)    {
txt=prompt(bbcode_prompt_link2,"http://");
if (txt!=null)    {
if (txt2=="") {
AddTxt="[url]"+txt+"[/url]";
AddText(AddTxt);
}else {
AddTxt="[url="+txt+"]"+txt2+"[/url]";
AddText(AddTxt);
}
}
}
}
}

function image() {
if (helpmode) {
alert(bbcode_help_image);
}else if (advmode) {
AddTxt="[img] [/img]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_image,"http://");
if(txt!=null) {
AddTxt="\r[img]"+txt+"[/img]";
AddText(AddTxt);
}
}
}

function code() {
if (helpmode) {
alert(bbcode_help_code);
}else if (advmode) {
AddTxt="\r[code]\r[/code]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_code,"");
if (txt!=null) {
AddTxt="\r[code]"+txt+"[/code]";
AddText(AddTxt);
}
}
}

function list() {
if (helpmode) {
alert(bbcode_help_list);
}else if (advmode) {
AddTxt="\r[list]\r[*]\r[*]\r[*]\r[/list]";
AddText(AddTxt);
}else {
st=prompt(bbcode_prompt_list_start,"");
while ((st!="") && (st!="A") && (st!="a") && (st!="1") && (st!=null)) {
st = prompt(bbcode_prompt_list_error,"");
}

if (st != null) {
if (st == "") {
AddTxt="\r[list]\r\n";
}else {
AddTxt="\r[list="+st+"]\r";
}

txt = "1";
while ((txt!="") && (txt!=null)) {
txt = prompt(bbcode_prompt_list_end, "");
if (txt!="") {
AddTxt+="[*]"+txt+"\r";
}
}
if ((st!="") && (st!=null)) {
AddTxt+="[/list="+st+"]\r\n";
}else {
AddTxt+="[/list]\r\n";
}
AddText(AddTxt);
}
}
}

function underline() {
if (helpmode) {
alert(bbcode_help_underline);
}else if (advmode) {
AddTxt="[u] [/u]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_underline,"Text");
if (txt!=null) {
AddTxt="[u]"+txt+"[/u]";
AddText(AddTxt);
}
}
}

function storeCaret(textEl) {
if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}

function setfocus() {
document.input.message.focus();
}


function yt() {
if (helpmode) {
alert(bbcode_help_yt);
}else if (advmode) {
AddTxt="[youtube] [/youtube]";
AddText(AddTxt);
}else {
txt=prompt(bbcode_prompt_yt,"http://");
if(txt!=null) {
AddTxt="\r[youtube]"+txt+"[/youtube]";
AddText(AddTxt);
}
}
}