var imageTag = false;
var theSelection = false;
var clientPC = navigator.userAgent.toLowerCase();
var clientVer = parseInt(navigator.appVersion);
var is_ie = ((clientPC.indexOf('msie') != -1) && (clientPC.indexOf('opera') == -1));
var is_win = ((clientPC.indexOf('win') != -1) || (clientPC.indexOf('16bit') != -1));
var baseHeight;
onload_functions.push('initInsertions()');
function helpline(help) {
    document.forms[form_name].helpbox.value = help_line[help];
}
function initInsertions() {
    var doc;
    if (document.forms[form_name]) {
        doc = document;
    } else {
        doc = opener.document;
    }
    var textarea = doc.forms[form_name].elements[text_name];
    if (is_ie && typeof(baseHeight) != 'number') {
        var mChatFocus = window.mChatFocusFix || false;
        if (!mChatFocus) {
            textarea.focus();
        }
        baseHeight = doc.selection.createRange().duplicate().boundingHeight;
        if (!document.forms[form_name]) {
            document.body.focus();
        }
    }
}
function bbstyle(bbnumber) {
    if (bbnumber != -1) {
        bbfontstyle(bbtags[bbnumber], bbtags[bbnumber + 1]);
    } else {
        insert_text('[*]');
        document.forms[form_name].elements[text_name].focus();
    }
}
function bbfontstyle(bbopen, bbclose) {
    theSelection = false;
    var textarea = document.forms[form_name].elements[text_name];
    textarea.focus();
    if ((clientVer >= 4) && is_ie && is_win) {
        theSelection = document.selection.createRange().text;
        if (theSelection) {
            document.selection.createRange().text = bbopen + theSelection + bbclose;
            document.forms[form_name].elements[text_name].focus();
            theSelection = '';
            return;
        }
    } else if (document.forms[form_name].elements[text_name].selectionEnd && (document.forms[form_name].elements[text_name].selectionEnd - document.forms[form_name].elements[text_name].selectionStart > 0)) {
        mozWrap(document.forms[form_name].elements[text_name], bbopen, bbclose);
        document.forms[form_name].elements[text_name].focus();
        theSelection = '';
        return;
    }
    var caret_pos = getCaretPosition(textarea).start;
    var new_pos = caret_pos + bbopen.length;
    insert_text(bbopen + bbclose);
    if (!isNaN(textarea.selectionStart)) {
        textarea.selectionStart = new_pos;
        textarea.selectionEnd = new_pos;
    } else if (document.selection) {
        var range = textarea.createTextRange();
        range.move("character", new_pos);
        range.select();
        storeCaret(textarea);
    }
    textarea.focus();
    return;
}
function insert_text(text, spaces, popup) {
    var textarea;
    if (!popup) {
        textarea = document.forms[form_name].elements[text_name];
    } else {
        textarea = opener.document.forms[form_name].elements[text_name];
    }
    if (spaces) {
        text = ' ' + text + ' ';
    }
    if (!isNaN(textarea.selectionStart)) {
        var sel_start = textarea.selectionStart;
        var sel_end = textarea.selectionEnd;
        mozWrap(textarea, text, ''); 
		textarea.selectionStart = sel_start + text.length;
        textarea.selectionEnd = sel_end + text.length;
    } else if (textarea.createTextRange && textarea.caretPos) {
        if (baseHeight != textarea.caretPos.boundingHeight) {
            textarea.focus();
            storeCaret(textarea);
        }
        var caret_pos = textarea.caretPos;
        caret_pos.text = caret_pos.text.charAt(caret_pos.text.length - 1) == ' ' ? caret_pos.text + text + ' ': caret_pos.text + text;
    } else {
        textarea.value = textarea.value + text;
    }
    if (!popup) {
        textarea.focus();
    }
}
function attach_inline(index, filename) {
    insert_text('[attachment=' + index + ']' + filename + '[/attachment]');
    document.forms[form_name].elements[text_name].focus();
}
function addquote(post_id, username) {
    var message_name = 'message_' + post_id;
    var theSelection = '';
    var divarea = false;
    if (document.all) {
        divarea = document.all[message_name];
    } else {
        divarea = document.getElementById(message_name);
    }
    if (window.getSelection) {
        theSelection = window.getSelection().toString();
    } else if (document.getSelection) {
        theSelection = document.getSelection();
    } else if (document.selection) {
        theSelection = document.selection.createRange().text;
    }
    if (theSelection == '' || typeof theSelection == 'undefined' || theSelection == null) {
        if (divarea.innerHTML) {
            theSelection = divarea.innerHTML.replace(/<br>/ig, '\n');
            theSelection = theSelection.replace(/<br\/>/ig, '\n');
            theSelection = theSelection.replace(/<\;/ig, '<');
            theSelection = theSelection.replace(/>\;/ig, '>');
            theSelection = theSelection.replace(/&\;/ig, '&');
            theSelection = theSelection.replace(/ \;/ig, ' ');
        } else if (document.all) {
            theSelection = divarea.innerText;
        } else if (divarea.textContent) {
            theSelection = divarea.textContent;
        } else if (divarea.firstChild.nodeValue) {
            theSelection = divarea.firstChild.nodeValue;
        }
    }
    if (theSelection) {
        insert_text('[quote="' + username + '"]' + theSelection + '[/quote]');
    }
    return;
}
function mozWrap(txtarea, open, close) {
    var selLength = txtarea.textLength;
    var selStart = txtarea.selectionStart;
    var selEnd = txtarea.selectionEnd;
    var scrollTop = txtarea.scrollTop;
    if (selEnd == 1 || selEnd == 2) {
        selEnd = selLength;
    }
    var s1 = (txtarea.value).substring(0, selStart);
    var s2 = (txtarea.value).substring(selStart, selEnd);
	var s3 = (txtarea.value).substring(selEnd, selLength);
    txtarea.value = s1 + open + s2 + close + s3;
    txtarea.selectionStart = selEnd + open.length + close.length;
    txtarea.selectionEnd = txtarea.selectionStart;
    txtarea.focus();
    txtarea.scrollTop = scrollTop;
    return;
}
function storeCaret(textEl) {
    if (textEl.createTextRange) {
        textEl.caretPos = document.selection.createRange().duplicate();
    }
}
function colorPalette(dir, width, height) {
    var r = 0,
    g = 0,
    b = 0;
    var numberList = new Array(6);
    var color = '';
    numberList[0] = '00';
    numberList[1] = '40';
    numberList[2] = '80';
    numberList[3] = 'BF';
    numberList[4] = 'FF';
    document.writeln('<table cellspacing="1" cellpadding="0" border="0">');
    for (r = 0; r < 5; r++) {
        if (dir == 'h') {
            document.writeln('<tr>');
        }
        for (g = 0; g < 5; g++) {
            if (dir == 'v') {
                document.writeln('<tr>');
            }
            for (b = 0; b < 5; b++) {
                color = String(numberList[r]) + String(numberList[g]) + String(numberList[b]);
                document.write('<td bgcolor="#' + color + '" style="width: ' + width + 'px; height: ' + height + 'px;">');
                document.write('<a href="#" onclick="bbfontstyle(\'[color=#' + color + ']\', \'[/color]\'); return false;"><img src="images/spacer.gif" width="' + width + '" height="' + height + '" alt="#' + color + '" title="#' + color + '" /></a>');
                document.writeln('</td>');
            }
            if (dir == 'v') {
                document.writeln('</tr>');
            }
        }
        if (dir == 'h') {
            document.writeln('</tr>');
        }
    }
    document.writeln('</table>');
}
function caretPosition() {
    var start = null;
    var end = null;
}
function getCaretPosition(txtarea) {
    var caretPos = new caretPosition();
    if (txtarea.selectionStart || txtarea.selectionStart == 0) {
        caretPos.start = txtarea.selectionStart;
        caretPos.end = txtarea.selectionEnd;
    } else if (document.selection) {
        var range = document.selection.createRange();
        var range_all = document.body.createTextRange();
        range_all.moveToElementText(txtarea);
        var sel_start;
        for (sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++) {
            range_all.moveStart('character', 1);
        }
        txtarea.sel_start = sel_start;
        caretPos.start = txtarea.sel_start;
        caretPos.end = txtarea.sel_start;
    }
    return caretPos;
}