// Cross-Browser Rich Text Editor
// http://www.kevinroth.com/rte/demo.htm
// Written by Kevin Roth (kevin@kevinroth.com)
// Visit the support forums at http://www.kevinroth.com/forums/index.php?c=2
// This code is public domain. Redistribution and use of this code, with or without modification, is permitted.

//init variables
var isRichText = false;
var rng;
var currentRTE;
var allRTEs = "";

var isIE;
var isGecko;
var isSafari;
var isKonqueror;

var imagesPath;
var includesPath;
var cssFile;

function initRTE(imgPath, incPath, css) {
    //set browser vars
    var ua = navigator.userAgent.toLowerCase();
    isIE = ((ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1));
    isGecko = (ua.indexOf("gecko") != -1);
    isSafari = (ua.indexOf("safari") != -1);
    isKonqueror = (ua.indexOf("konqueror") != -1);

    //check to see if designMode mode is available
//    if (document.getElementById && document.designMode && !isSafari && !isKonqueror) {
    if (document.getElementById && document.designMode) {
        isRichText = true;
    }

    if (isIE) {
        document.onmouseover = raiseButton;
        document.onmouseout = normalButton;
        document.onmousedown = lowerButton;
        document.onmouseup = raiseButton;
    }

    //set paths vars
    imagesPath = imgPath;
    includesPath = incPath;
    cssFile = css;

    if (isRichText)
        document.writeln('<style type="text/css">@import "' + includesPath + 'rte.css";</style>');

    //for testing standard textarea, uncomment the following line
    //isRichText = false;
    }

function writeRichText(rte, html, width, height, buttons, readOnly) {
    if (isRichText) {
        if (allRTEs.length > 0)
            allRTEs += ";";
        allRTEs += rte;
        writeRTE(rte, html, width, height, buttons, readOnly);
    } else {
        writeDefault(rte, html, width, height, buttons, readOnly);
    }
}

function writeDefault(rte, html, width, height, buttons, readOnly) {
    if (!readOnly) {
        document.writeln('<textarea name="' + rte + '" id="' + rte + '" style="width: ' + width + 'px; height: ' + height + 'px;" class="rteArea">' + html + '</textarea>');
    } else {
        document.writeln('<textarea name="' + rte + '" id="' + rte + '" style="width: ' + width + 'px; height: ' + height + 'px;" class="rteArea" readonly>' + html + '</textarea>');
    }
}

function raiseButton(e) {
    //IE-Only Function
    var el = window.event.srcElement;

    className = el.className;
    if (className == 'rteImage' || className == 'rteImageLowered') {
        el.className = 'rteImageRaised';
    }
}

function normalButton(e) {
    //IE-Only Function
    var el = window.event.srcElement;

    className = el.className;
    if (className == 'rteImageRaised' || className == 'rteImageLowered') {
        el.className = 'rteImage';
    }
}

function lowerButton(e) {
    //IE-Only Function
    var el = window.event.srcElement;

    className = el.className;
    if (className == 'rteImage' || className == 'rteImageRaised') {
        el.className = 'rteImageLowered';
    }
}

function writeRTE(rte, html, width, height, buttons, readOnly) {
    if (readOnly)
        buttons = false;

    //adjust minimum table widths
    if (isIE) {
        if (buttons && (width < 600))
            width = 600;
        var tablewidth = width;
    } else {
        if (buttons && (width < 500))
            width = 500;
        var tablewidth = width + 4;
    }

    document.writeln('<table class="exclude" cellpadding=2 cellspacing=0  width="' + tablewidth + '">');
    document.writeln('	<tr>');
    document.writeln('		<td>');
    document.writeln('<div class="rteDiv">');
    if (buttons == true) {
        document.writeln('<table class="rteBack" cellpadding=2 cellspacing=0 id="Buttons1_' + rte + '">');
        document.writeln('	<tr>');
        document.writeln('		<td>');
        document.writeln('			<select id="formatblock_' + rte + '" onchange="Select(\'' + rte + '\', this.id);">');
        document.writeln('				<option value="">[Style]</option>');
        document.writeln('				<option value="<p>">Paragraph</option>');
        document.writeln('				<option value="<h1>">Heading 1 <h1></option>');
        document.writeln('				<option value="<h2>">Heading 2 <h2></option>');
        document.writeln('				<option value="<h3>">Heading 3 <h3></option>');
        document.writeln('				<option value="<h4>">Heading 4 <h4></option>');
        document.writeln('				<option value="<h5>">Heading 5 <h5></option>');
        document.writeln('				<option value="<h6>">Heading 6 <h6></option>');
        document.writeln('				<option value="<address>">Address <ADDR></option>');
        document.writeln('				<option value="<pre>">Formatted <pre></option>');
        document.writeln('			</select>');
        document.writeln('		</td>');
        document.writeln('		<td>');
        document.writeln('			<select id="fontname_' + rte + '" onchange="Select(\'' + rte + '\', this.id)">');
        document.writeln('				<option value="Font" selected>[Font]</option>');
        document.writeln('				<option value="Arial, Helvetica, sans-serif">Arial</option>');
        document.writeln('				<option value="Courier New, Courier, mono">Courier New</option>');
        document.writeln('				<option value="Times New Roman, Times, serif">Times New Roman</option>');
        document.writeln('				<option value="Verdana, Arial, Helvetica, sans-serif">Verdana</option>');
        document.writeln('			</select>');
        document.writeln('		</td>');
        document.writeln('		<td>');
        document.writeln('			<select unselectable="on" id="fontsize_' + rte + '" onchange="Select(\'' + rte + '\', this.id);">');
        document.writeln('				<option value="Size">[Size]</option>');
        document.writeln('				<option value="1">1</option>');
        document.writeln('				<option value="2">2</option>');
        document.writeln('				<option value="3">3</option>');
        document.writeln('				<option value="4">4</option>');
        document.writeln('				<option value="5">5</option>');
        document.writeln('				<option value="6">6</option>');
        document.writeln('				<option value="7">7</option>');
        document.writeln('			</select>');
        document.writeln('		</td>');
        document.writeln('	</tr>');
        document.writeln('</table>');
        document.writeln('<table class="rteBack" cellpadding="0" cellspacing="0" id="Buttons2_' + rte + '">');
        document.writeln('	<tr>');
        document.writeln('		<td><img id="bold" class="rteImage" src="' + imagesPath + 'bold.gif" width="25" height="24" alt="Bold" title="Bold" onClick="FormatText(\'' + rte + '\', \'bold\', \'\')"></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'italic.gif" width="25" height="24" alt="Italic" title="Italic" onClick="FormatText(\'' + rte + '\', \'italic\', \'\')"></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'underline.gif" width="25" height="24" alt="Underline" title="Underline" onClick="FormatText(\'' + rte + '\', \'underline\', \'\')"></td>');
        document.writeln('		<td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'left_just.gif" width="25" height="24" alt="Align Left" title="Align Left" onClick="FormatText(\'' + rte + '\', \'justifyleft\', \'\')"></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'centre.gif" width="25" height="24" alt="Center" title="Center" onClick="FormatText(\'' + rte + '\', \'justifycenter\', \'\')"></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'right_just.gif" width="25" height="24" alt="Align Right" title="Align Right" onClick="FormatText(\'' + rte + '\', \'justifyright\', \'\')"></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'justifyfull.gif" width="25" height="24" alt="Justify Full" title="Justify Full" onclick="FormatText(\'' + rte + '\', \'justifyfull\', \'\')"></td>');
        document.writeln('		<td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'hr.gif" width="25" height="24" alt="Horizontal Rule" title="Horizontal Rule" onClick="FormatText(\'' + rte + '\', \'inserthorizontalrule\', \'\')"></td>');
        document.writeln('		<td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'numbered_list.gif" width="25" height="24" alt="Ordered List" title="Ordered List" onClick="FormatText(\'' + rte + '\', \'insertorderedlist\', \'\')"></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'list.gif" width="25" height="24" alt="Unordered List" title="Unordered List" onClick="FormatText(\'' + rte + '\', \'insertunorderedlist\', \'\')"></td>');
        document.writeln('		<td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'outdent.gif" width="25" height="24" alt="Outdent" title="Outdent" onClick="FormatText(\'' + rte + '\', \'outdent\', \'\')"></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'indent.gif" width="25" height="24" alt="Indent" title="Indent" onClick="FormatText(\'' + rte + '\', \'indent\', \'\')"></td>');
        document.writeln('		<td><div id="forecolor_' + rte + '"><img class="rteImage" src="' + imagesPath + 'textcolor.gif" width="25" height="24" alt="Text Color" title="Text Color" onClick="FormatText(\'' + rte + '\', \'forecolor\', \'\')"></div></td>');
        document.writeln('		<td><div id="hilitecolor_' + rte + '"><img class="rteImage" src="' + imagesPath + 'bgcolor.gif" width="25" height="24" alt="Background Color" title="Background Color" onClick="FormatText(\'' + rte + '\', \'hilitecolor\', \'\')"></div></td>');
        document.writeln('		<td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'hyperlink.gif" width="25" height="24" alt="Insert Link" title="Insert Link" onClick="FormatText(\'' + rte + '\', \'createlink\')"></td>');
//        document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'image.gif" width="25" height="24" alt="Add Image" title="Add Image" onClick="AddImage(\'' + rte + '\')"></td>');
        if (isIE) {
            document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'spellcheck.gif" width="25" height="24" alt="Spell Check" title="Spell Check" onClick="checkspell()"></td>');
        }
//		document.writeln('		<td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
//		document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'cut.gif" width="25" height="24" alt="Cut" title="Cut" onClick="FormatText(\'' + rte + '\', \'cut\')"></td>');
//		document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'copy.gif" width="25" height="24" alt="Copy" title="Copy" onClick="FormatText(\'' + rte + '\', \'copy\')"></td>');
//		document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'paste.gif" width="25" height="24" alt="Paste" title="Paste" onClick="FormatText(\'' + rte + '\', \'paste\')"></td>');
//		document.writeln('		<td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
//		document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'undo.gif" width="25" height="24" alt="Undo" title="Undo" onClick="FormatText(\'' + rte + '\', \'undo\')"></td>');
//		document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'redo.gif" width="25" height="24" alt="Redo" title="Redo" onClick="FormatText(\'' + rte + '\', \'redo\')"></td>');
        document.writeln('	</tr>');
        document.writeln('</table>');
    }
    document.writeln('</div>');
    document.writeln('		</td>');
    document.writeln('		<td width="100%" valign="bottom" align="right">');
    if (!readOnly) document.writeln('<input type="checkbox" id="chkSrc' + rte + '" onclick="toggleHTMLSrc(\'' + rte + '\');" />&nbsp;View Source');
    document.writeln('		</td>');
    document.writeln('	</tr>');
    document.writeln('</table>');
    document.writeln('<div class="rteSeparator" style="width: ' + width + 'px;"></div>');
    document.writeln('<iframe id="' + rte + '" name="' + rte + '" width="' + width + 'px" height="' + height + 'px" src="' + includesPath + 'blank.htm" class="rteArea"></iframe>');
    document.writeln('<iframe width="154" height="104" id="cp' + rte + '" src="' + includesPath + 'palette.htm" marginwidth="0" marginheight="0" scrolling="no" style="visibility:hidden; display: none; position: absolute;"></iframe>');
    document.writeln('<input type="hidden" id="hdn' + rte + '" name="' + rte + '" value="">');

    document.getElementById('hdn' + rte).value = html;
    enableDesignMode(rte, html, readOnly);
}

function enableDesignMode(rte, html, readOnly) {
    var frameHtml = "<html id=\"" + rte + "\">\n";
    frameHtml += "<head>\n";
    //to reference your stylesheet, set href property below to your stylesheet path and uncomment
    if (cssFile.length > 0) {
        frameHtml += "<link media=\"all\" type=\"text/css\" href=\"" + cssFile + "\" rel=\"stylesheet\">\n";
    } else {
        frameHtml += "<style>\n";
        frameHtml += "body {\n";
        frameHtml += "	background: #FFFFFF;\n";
        frameHtml += "	margin: 0px;\n";
        frameHtml += "	padding: 0px;\n";
        frameHtml += "}\n";
        frameHtml += "</style>\n";
    }
    frameHtml += "</head>\n";
    frameHtml += "<body>\n";
    frameHtml += html + "\n";
    frameHtml += "</body>\n";
    frameHtml += "</html>";

    if (document.all) {
        var oRTE = frames[rte].document;
        oRTE.open();
        oRTE.write(frameHtml);
        oRTE.close();
        if (!readOnly)
            oRTE.designMode = "On";
    } else {
        try {
            if (!readOnly)
                document.getElementById(rte).contentDocument.designMode = "on";
            try {
                var oRTE = document.getElementById(rte).contentWindow.document;
                oRTE.open();
                oRTE.write(frameHtml);
                oRTE.close();
                if (isGecko && !readOnly) {
                    //attach a keyboard handler for gecko browsers to make keyboard shortcuts work
                    oRTE.addEventListener("keypress", kb_handler, true);
                }
            } catch(e) {
                alert("Error preloading content.");
            }
        } catch(e) {
            //gecko may take some time to enable design mode.
            //Keep looping until able to set.
            if (isGecko) {
                setTimeout("enableDesignMode('" + rte + "', '" + html + "', " + readOnly + ");", 10);
            } else {
                return false;
            }
        }
    }
}

function updateRTEs() {
    var vRTEs = allRTEs.split(";");
    for (var i = 0; i < vRTEs.length; i++) {
        updateRTE(vRTEs[i]);
    }
}

function updateRTE(rte) {
    if (!isRichText)
        return;

    //set message value
    var oHdnMessage = document.getElementById('hdn' + rte);
    var oRTE = document.getElementById(rte);
    var readOnly = false;

    //check for readOnly mode
    if (document.all) {
        if (frames[rte].document.designMode != "On")
            readOnly = true;
    } else {
        if (document.getElementById(rte).contentDocument.designMode != "on")
            readOnly = true;
    }

    if (isRichText && !readOnly) {
        //if viewing source, switch back to design view
        if (document.getElementById("chkSrc" + rte).checked) {
            document.getElementById("chkSrc" + rte).checked = false;
            toggleHTMLSrc(rte);
        }

        if (oHdnMessage.value == null)
            oHdnMessage.value = "";
        if (document.all) {
            oHdnMessage.value = frames[rte].document.body.innerHTML;
        } else {
            oHdnMessage.value = oRTE.contentWindow.document.body.innerHTML;
        }

        //if there is no content (other than formatting) set value to nothing
        if (stripHTML(oHdnMessage.value.replace("&nbsp;", " ")) == "" && oHdnMessage.value.toLowerCase().search("<hr") == -1 && oHdnMessage.value.toLowerCase().search("<img") == -1)
            oHdnMessage.value = "";
        //fix for gecko
        if (escape(oHdnMessage.value) == "%3Cbr%3E%0D%0A%0D%0A%0D%0A")
            oHdnMessage.value = "";
    }
}

function toggleHTMLSrc(rte) {
    //contributed by Bob Hutzel (thanks Bob!)
    var oRTE;
    if (document.all) {
        oRTE = frames[rte].document;
    } else {
        oRTE = document.getElementById(rte).contentWindow.document;
    }

    if (document.getElementById("chkSrc" + rte).checked) {
        document.getElementById("Buttons1_" + rte).style.visibility = "hidden";
        document.getElementById("Buttons2_" + rte).style.visibility = "hidden";
        if (document.all) {
            oRTE.body.innerText = oRTE.body.innerHTML;
        } else {
            var htmlSrc = oRTE.createTextNode(oRTE.body.innerHTML);
            oRTE.body.innerHTML = "";
            oRTE.body.appendChild(htmlSrc);
        }
    } else {
        document.getElementById("Buttons1_" + rte).style.visibility = "visible";
        document.getElementById("Buttons2_" + rte).style.visibility = "visible";
        if (document.all) {
            //fix for IE
            var output = escape(oRTE.body.innerText);
            output = output.replace("%3CP%3E%0D%0A%3CHR%3E", "%3CHR%3E");
            output = output.replace("%3CHR%3E%0D%0A%3C/P%3E", "%3CHR%3E");

            oRTE.body.innerHTML = unescape(output);
        } else {
            var htmlSrc = oRTE.body.ownerDocument.createRange();
            htmlSrc.selectNodeContents(oRTE.body);
            oRTE.body.innerHTML = htmlSrc.toString();
        }
    }
}

//Function to format text in the text box
function FormatText(rte, command, option) {
    var oRTE;
    if (document.all) {
        oRTE = frames[rte];

        //get current selected range
        var selection = oRTE.document.selection;
        if (selection != null) {
            rng = selection.createRange();
        }
    } else {
        oRTE = document.getElementById(rte).contentWindow;

        //get currently selected range
        var selection = oRTE.getSelection();
        rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();
    }

    try {
        if ((command == "forecolor") || (command == "hilitecolor")) {
            //save current values
            parent.command = command;
            currentRTE = rte;

            //position and show color palette
            buttonElement = document.getElementById(command + '_' + rte);
            var iLeftPos = getOffsetLeft(buttonElement);
            var iTopPos = getOffsetTop(buttonElement) + (buttonElement.offsetHeight + 4);
            document.getElementById('cp' + rte).style.left = (iLeftPos) + "px";
            document.getElementById('cp' + rte).style.top = (iTopPos) + "px";
            if (document.getElementById('cp' + rte).style.visibility == "hidden") {
                document.getElementById('cp' + rte).style.visibility = "visible";
                document.getElementById('cp' + rte).style.display = "inline";
            } else {
                document.getElementById('cp' + rte).style.visibility = "hidden";
                document.getElementById('cp' + rte).style.display = "none";
            }
        } else if (command == "createlink") {
            var szURL = prompt("Enter a URL:", "");
            try {
                //ignore error for blank urls
                oRTE.document.execCommand("Unlink", false, null);
                oRTE.document.execCommand("CreateLink", false, szURL);
            } catch(e) {
                //do nothing
                }
        } else {
            oRTE.focus();
            oRTE.document.execCommand(command, false, option);
            oRTE.focus();
        }
    } catch(e) {
        alert(e);
    }
}

//Function to set color
function setColor(color) {
    var rte = currentRTE;
    var oRTE;
    if (document.all) {
        oRTE = frames[rte];
    } else {
        oRTE = document.getElementById(rte).contentWindow;
    }

    var parentCommand = parent.command;
    if (document.all) {
        //retrieve selected range
        var sel = oRTE.document.selection;
        if (parentCommand == "hilitecolor")
            parentCommand = "backcolor";
        if (sel != null) {
            var newRng = sel.createRange();
            newRng = rng;
            newRng.select();
        }
    }
    oRTE.focus();
    oRTE.document.execCommand(parentCommand, false, color);
    oRTE.focus();
    document.getElementById('cp' + rte).style.visibility = "hidden";
    document.getElementById('cp' + rte).style.display = "none";
}

//Function to add image
function AddImage(rte) {
    var oRTE;
    if (document.all) {
        oRTE = frames[rte];

        //get current selected range
        var selection = oRTE.document.selection;
        if (selection != null) {
            rng = selection.createRange();
        }
    } else {
        oRTE = document.getElementById(rte).contentWindow;

        //get currently selected range
        var selection = oRTE.getSelection();
        rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();
    }

    imagePath = prompt('Enter Image URL:', 'http://');
    if ((imagePath != null) && (imagePath != "")) {
        oRTE.focus();
        oRTE.document.execCommand('InsertImage', false, imagePath);
        oRTE.focus();
    }
}

//function to perform spell check
function checkspell() {
    try {
        var tmpis = new ActiveXObject("ieSpell.ieSpellExtension");
        tmpis.CheckAllLinkedDocuments(document);
    } catch(exception) {
        if (exception.number == -2146827859) {
            if (confirm("ieSpell not detected.  Click Ok to go to download page."))
                window.open("http://www.iespell.com/download.php", "DownLoad");
        } else {
            alert("Error Loading ieSpell: Exception " + exception.number);
        }
    }
}

// Ernst de Moor: Fix the amount of digging parents up, in case the RTE editor itself is displayed in a div.
// KJR 11/12/2004 Changed to position palette based on parent div, so palette will always appear in proper location regardless of nested divs
function getOffsetTop(elm) {
    var mOffsetTop = elm.offsetTop;
    var mOffsetParent = elm.offsetParent;
    var parents_up = 2;
    //the positioning div is 2 elements up the tree

    while (parents_up > 0) {
        mOffsetTop += mOffsetParent.offsetTop;
        mOffsetParent = mOffsetParent.offsetParent;
        parents_up--;
    }

    return mOffsetTop;
}

// Ernst de Moor: Fix the amount of digging parents up, in case the RTE editor itself is displayed in a div.
// KJR 11/12/2004 Changed to position palette based on parent div, so palette will always appear in proper location regardless of nested divs
function getOffsetLeft(elm) {
    var mOffsetLeft = elm.offsetLeft;
    var mOffsetParent = elm.offsetParent;
    var parents_up = 2;

    while (parents_up > 0) {
        mOffsetLeft += mOffsetParent.offsetLeft;
        mOffsetParent = mOffsetParent.offsetParent;
        parents_up--;
    }

    return mOffsetLeft;
}

function Select(rte, selectname) {
    var oRTE;
    if (document.all) {
        oRTE = frames[rte];

        //get current selected range
        var selection = oRTE.document.selection;
        if (selection != null) {
            rng = selection.createRange();
        }
    } else {
        oRTE = document.getElementById(rte).contentWindow;

        //get currently selected range
        var selection = oRTE.getSelection();
        rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();
    }

    var idx = document.getElementById(selectname).selectedIndex;
    // First one is always a label
    if (idx != 0) {
        var selected = document.getElementById(selectname).options[idx].value;
        var cmd = selectname.replace('_' + rte, '');
        oRTE.focus();
        oRTE.document.execCommand(cmd, false, selected);
        oRTE.focus();
        document.getElementById(selectname).selectedIndex = 0;
    }
}

function kb_handler(evt) {
    var rte = evt.target.id;

    //contributed by Anti Veeranna (thanks Anti!)
    if (evt.ctrlKey) {
        var key = String.fromCharCode(evt.charCode).toLowerCase();
        var cmd = '';
        switch (key) {
        case 'b':
            cmd = "bold";
            break;
        case 'i':
            cmd = "italic";
            break;
        case 'u':
            cmd = "underline";
            break;
        };

        if (cmd) {
            FormatText(rte, cmd, true);
            //evt.target.ownerDocument.execCommand(cmd, false, true);
            // stop the event bubble
            evt.preventDefault();
            evt.stopPropagation();
        }
    }
}

function docChanged(evt) {
    alert('changed');
}

function stripHTML(oldString) {
    var newString = oldString.replace(/(<([^>]+)>)/ig, "");

    //replace carriage returns and line feeds
    newString = newString.replace(/\r\n/g, " ");
    newString = newString.replace(/\n/g, " ");
    newString = newString.replace(/\r/g, " ");

    //trim string
    newString = trim(newString);

    return newString;
}

function trim(inputString) {
    // Removes leading and trailing spaces from the passed string. Also removes
    // consecutive spaces and replaces it with one space. If something besides
    // a string is passed in (null, custom object, etc.) then return the input.
    if (typeof inputString != "string")
        return inputString;
    var retValue = inputString;
    var ch = retValue.substring(0, 1);

    while (ch == " ") {
        // Check for spaces at the beginning of the string
        retValue = retValue.substring(1, retValue.length);
        ch = retValue.substring(0, 1);
    }
    ch = retValue.substring(retValue.length - 1, retValue.length);

    while (ch == " ") {
        // Check for spaces at the end of the string
        retValue = retValue.substring(0, retValue.length - 1);
        ch = retValue.substring(retValue.length - 1, retValue.length);
    }

    // Note that there are two spaces in the string - look for multiple spaces within the string
    while (retValue.indexOf("  ") != -1) {
        // Again, there are two spaces in each of the strings
        retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ") + 1, retValue.length);
    }
    return retValue;
    // Return the trimmed string back to the user
}