var defmode = 'normal';

if (defmode == 'advanced') {
    helpmode    = false;
    normalmode  = false;
    advmode     = true;
} else if (defmode == 'help') {
    helpmode    = true;
    normalmode  = false;
    advmode     = false;
} else {
    helpmode    = false;
    normalmode  = true;
    advmode     = false;
}

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

function AddText(bbFirst, bbLast, text, el) {
    var len   = el.textLength;
    var start = el.selectionStart;
    var end   = el.selectionEnd;
    var pre   = el.value.substring(0, start);
    var post  = el.value.substring(end, len);

    el.value = pre + bbFirst + text + bbLast + post;
    el.focus();
}

function email() {
    if (helpmode) {
        alert(bbcode_help_email);
    } else if (advmode) {
        AddText('', '', "[email] [/email]", messageElement);
    } else {
        txt2=prompt(bbcode_prompt_email_desc,"");
        if (txt2!=null)    {
            txt=prompt(bbcode_prompt_email_email,"");
            if (txt2!=null) {
                if (txt2=="") {
                    AddText('', '', "[email]"+txt+"[/email]", messageElement);
                } else {
                    AddText('', '', "[email="+txt+"]"+txt2+"[/email]", messageElement);
                }
            }
        }
    }
}

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

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

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

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

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

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

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

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

                }
            }
        }
    }
}

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

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

function list() {
    if (helpmode) {
        alert(bbcode_help_list);
    } else if (advmode) {
        AddText('', '', "\r[list]\r[*]\r[*]\r[*]\r[/list]", messageElement);
    } 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 == "") {
                AddText('', '', "\r[list]\r\n", messageElement);
            } else {
                AddText('', '', "\r[list="+st+"]\r", messageElement);
            }

            txt = "1";
            while((txt!="") && (txt!=null)) {
                txt = prompt(bbcode_prompt_list_end, "");
                if (txt!="") {
                    AddText('', '', "[*]"+txt+"\r", messageElement);
                }
            }

            if ((st!="") && (st!=null)) {
                AddText('', '', "[/list="+st+"]\r\n", messageElement);
            } else {
                AddText('', '', "[/list]\r\n", messageElement);
            }
        }
    }
}

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

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

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

function loadEls() {
    messageElement = document.getElementById("message");
}