// Written by Kevin Roth (kevin@NOSPAMkevinroth.com - remove NOSPAM)
// Adattato da SiberianSTAR <haxormail@gmail.com>
// ----------------------------------------------
//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;
var generateXHTML;

var lang = "en";
var encoding = "iso-8859-1";

function initRTE(imgPath, incPath, css, genXHTML) {
        //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);

        generateXHTML = genXHTML;

        //check to see if designMode mode is available
        //Safari/Konqueror think they are designMode capable even though they are not
        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(htmldiv, rte, html, width, height, buttons, readOnly) {

				var outCode = '';
        if (isRichText) {
                if (allRTEs.length > 0) allRTEs += ";";
                allRTEs += rte;

                if (readOnly) buttons = false;

                //adjust minimum table widths
                if (isIE) {
                        if (buttons && (width < 340)) width = 340;
                        var tablewidth = width;
                } else {
                        if (buttons && (width < 340)) width = 340;
                        var tablewidth = width + 4;
                }

         
                if (buttons == true) {
                        outCode += ('<center><table style="border: 1px solid #c0c0c0" class="rteBack" cellpadding=2 cellspacing=0 id="Buttons1_' + rte + '" width="' + tablewidth + '">');
                        outCode += ('        <tr>');
                        outCode += ('                <td bgcolor="#fffff0" height="30" width="100%"><table cellspacing=0 cellpadding=2><tr>');
  
                        outCode += ('                <td><img id="bold" class="rteImage" src="' + imagesPath + 'bold.gif" width="25" height="24" alt="Grassetto" title="Grassetto" onClick="rteCommand(\'' + rte + '\', \'bold\', \'\')"></td>');
                        outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'italic.gif" width="25" height="24" alt="Corsivo" title="Corsivo" onClick="rteCommand(\'' + rte + '\', \'italic\', \'\')"></td>');
                        outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'underline.gif" width="25" height="24" alt="Sottolineato" title="Sottolineato" onClick="rteCommand(\'' + rte + '\', \'underline\', \'\')"></td>');
                        outCode += ('                <td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
                        outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'left_just.gif" width="25" height="24" alt="Align Left" title="Allinea a sinistra" onClick="rteCommand(\'' + rte + '\', \'justifyleft\', \'\')"></td>');
                        outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'centre.gif" width="25" height="24" alt="Centrato" title="Centrato" onClick="rteCommand(\'' + rte + '\', \'justifycenter\', \'\')"></td>');
                        outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'right_just.gif" width="25" height="24" alt="Allinea a destra" title="Allinea a destra" onClick="rteCommand(\'' + rte + '\', \'justifyright\', \'\')"></td>');
                    //    outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'justifyfull.gif" width="25" height="24" alt="Giustifica" title="Giustifica" onclick="rteCommand(\'' + rte + '\', \'justifyfull\', \'\')"></td>');
                        outCode += ('                <td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
                        //outCode += ('                <td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
                        outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'numbered_list.gif" width="25" height="24" alt="Lista numerata" title="Lista numerata" onClick="rteCommand(\'' + rte + '\', \'insertorderedlist\', \'\')"></td>');
                        outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'list.gif" width="25" height="24" alt="Lista puntata" title="Lista puntata" onClick="rteCommand(\'' + rte + '\', \'insertunorderedlist\', \'\')"></td>');
                        outCode += ('                <td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
                        outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'outdent.gif" width="25" height="24" alt="Riduci rientro" title="Riduci rientro" onClick="rteCommand(\'' + rte + '\', \'outdent\', \'\')"></td>');
                        outCode += ('                <td><img class="rteImage" src="' + imagesPath + 'indent.gif" width="25" height="24" alt="Aumenta rientro" title="Aumenta rientro" onClick="rteCommand(\'' + rte + '\', \'indent\', \'\')"></td>');
                        outCode += ('                <td><div id="forecolor_' + rte + '"><img class="rteImage" src="' + imagesPath + 'textcolor.gif" width="25" height="24" alt="Colore testo" title="Colore testo" onClick="dlgColorPalette(\'' + rte + '\', \'forecolor\', \'\')"></div></td>');
                        outCode += ('                <td><div id="hilitecolor_' + rte + '"><img class="rteImage" src="' + imagesPath + 'bgcolor.gif" width="25" height="24" alt="Colore sfondo" title="Colore sfondo" onClick="dlgColorPalette(\'' + rte + '\', \'hilitecolor\', \'\')"></div></td>');
                        outCode += ('                <td width="100%"></td></tr></table>');
                        outCode += ('        </tr>');
                        outCode += ('        <tr>');
                        outCode += ('                <td  bgcolor="#fffff0"  align="left">');
                        outCode += ('<TABLE style="margin-left:-1px;"><tr>');
                        
                        
                       outCode += ('<td><img class="rteImage" src="' + imagesPath + 'image.gif" width="25" height="24" alt="Inserisci immagine" title="Inserisci immagine" onClick="inserisciIMG(\''  +rte + '\')"></td>');
                       outCode += ('<td><img class="rteImage" src="' + imagesPath + 'hyperlink.gif" width="25" height="24" alt="Inserisci link" title="Inserisci link" onClick="inserisciURL(\'' + rte + '\')"></td>');
                         outCode += ('<td><img class="rteImage" src="' + imagesPath + 'video.gif" width="25" height="24" alt="Inserisci video" title="Inserisci video" onClick="inserisciVIDEO(\'' + rte + '\')"></td>');
                         outCode += ('<td><img class="rteImage" src="' + imagesPath + 'hr.gif" width="25" height="24" alt="Inserisci linea orizzontale" title="Inserisci linea orizzontale" onClick="inserisciHR(\'' + rte + '\')"></td>');
                  outCode += ('                <td><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');
                        outCode += ('<td><select  id="fontname_' + rte + '" onchange="selectFont(\'' + rte + '\', this.id)">');
                        outCode += ('                                <option value="Font" selected>[Seleziona carattere]</option>');
                        outCode += ('                                <option value="Arial, Helvetica, sans-serif">Arial</option>');
                        outCode += ('                                <option value="Arial Black, Helvetica, sans-serif">Arial Black</option>');
                        outCode += ('                                <option value="Arial Narrow, Helvetica, sans-serif">Arial Narrow</option>');
                        outCode += ('                                <option value="Century Gothic, Helvetica, sans-serif">Century Gothic</option>');
                        outCode += ('                                <option value="Comic Sans MS, Courier, mono">Comic Sans MS</option>');
                        outCode += ('                                <option value="Courier New, Courier, mono">Courier New</option>');
						outCode += ('                                <option value="Georgia">Georgia</option>');
                        outCode += ('                                <option value="Lucida Sans, Courier, mono">Lucida Sans</option>');
                        outCode += ('                                <option value="Microsoft Sans Serif, Courier, mono">Microsoft Sans Serif</option>');
                        outCode += ('                                <option value="Tahoma, Helvetica, sans-serif">Tahoma</option>');
                        outCode += ('                                <option value="Trebuchet MS, Courier, mono">Trebuchet MS</option>');
                        outCode += ('                                <option value="Times New Roman, Times, serif">Times New Roman</option>');
                        outCode += ('                                <option value="Verdana, Arial, Helvetica, sans-serif">Verdana</option>');
                        outCode += ('                        </select>');
                        outCode += ('                        <select unselectable="on" id="fontsize_' + rte + '" onchange="selectFont(\'' + rte + '\', this.id);">');
                        outCode += ('                                <option value="Size">[Dimensione]</option>');
                        outCode += ('                                <option value="1">1</option>');
                        outCode += ('                                <option value="2">2</option>');
                        outCode += ('                                <option value="3">3</option>');
                        outCode += ('                                <option value="4">4</option>');
                        outCode += ('                                <option value="5">5</option>');
                        outCode += ('                                <option value="6">6</option>');
                        outCode += ('                                <option value="7">7</option>');
                        outCode += ('                        </select></table>');
                                             
                        outCode += ('                </td>');
                        outCode += ('        </tr>');
                        outCode += ('</table>');
                }
                outCode += ('<iframe frameborder=0 style="cursor:text;border-left:1px solid #e1e1e1;border-right:1px solid #e1e1e1;border-bottom:1px solid #e1e1e1;" id="' + rte + '" name="' + rte + '" width="' + width + 'px" height="' + height + 'px" src="../rte/incs/blank.htm"></iframe>');

                outCode += ('<iframe frameborder=0 width="154" height="104" id="cp' + rte + '" src="' + includesPath + 'palette.htm" marginwidth="0" marginheight="0" scrolling="no" style="visibility:hidden; position: absolute;"></iframe>');
                outCode += ('<input type="hidden" id="hdn' + rte + '" name="' + rte + '" value=""></center>');
         

								html = global_replace('imginfo_mode_post', 'imginfo_mode_edit', html);

								htmldiv.innerHTML = outCode;

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

function inserisciVIDEO(rte)
{
	var vid = prompt('Inserisci l\'URL del video su YouTube o su Google Video','');
	if (vid == undefined || vid == '')
	 return;
	 
	 currentRTE =rte;
	 insertHTML('[video]'+vid+'[/video]');
	 
}

function inserisciURL(rte)
{
	var titolo = prompt('Titolo?','');
	if (titolo == undefined || titolo == '')
	 return;
	
	var collegamento = prompt('Indirizzo?','http://');
	if (collegamento == undefined || collegamento == '')
	 return;
	 
	 currentRTE =rte;
	
	insertHTML('<a href="'+collegamento+'" target="_blank">'+titolo+'</a>');
}
function inserisciHR(rte)
{
 currentRTE =rte;
	
	insertHTML('<hr>');
}
function inserisciIMG(rte)
{

	var collegamento = prompt('Indirizzo?','http://');
	if (collegamento == undefined || collegamento == '')
	 return;
	 
	 currentRTE =rte;
	 

	insertHTML('<img src="'+collegamento+'" target="_blank">');
}
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 += "p { margin-top: 0px; margin-bottom: 0px; }";
                frameHtml += "</style>\n";
        }
        frameHtml += "</head>\n";
        frameHtml += "<body style='margin:5px;'><font face='Tahoma' size=2>\n";
        frameHtml += html + "\n";
        frameHtml += "</font></body>\n";
        frameHtml += "</html>";

        if (document.all) {
                var oRTE = frames[rte].document;
                oRTE.open();
                oRTE.write(frameHtml);
                oRTE.close();
                if (!readOnly) {
                        oRTE.designMode = "On";
                        frames[rte].document.attachEvent("onkeypress", function evt_ie_keypress(event) {ieKeyPress(event, rte);});
                }
        } 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", geckoKeyPress, 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 updateRTE(rte) {
        if (!isRichText) return;

        //check for readOnly mode
        var readOnly = false;
        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
                setHiddenVal(rte);
        }
        
}

function setHiddenVal(rte) {
        //set hidden form field value for current rte
        var oHdnField = document.getElementById('hdn' + rte);

        //convert html output to xhtml (thanks Timothy Bell and Vyacheslav Smolin!)
        if (oHdnField.value == null) oHdnField.value = "";
        if (document.all){
                if (generateXHTML) {
                        oHdnField.value = get_xhtml(frames[rte].document.body, lang, encoding);
                } else {
                        oHdnField.value = frames[rte].document.body.innerHTML;
                }
        } else {
                if (generateXHTML) {
                        oHdnField.value = get_xhtml(document.getElementById(rte).contentWindow.document.body, lang, encoding);
                } else {
                        oHdnField.value = document.getElementById(rte).contentWindow.document.body.innerHTML;
                }
        }

        //if there is no content (other than formatting) set value to nothing
        if (stripHTML(oHdnField.value.replace("&nbsp;", " ")) == "" &&
                oHdnField.value.toLowerCase().search("<hr") == -1 &&
                oHdnField.value.toLowerCase().search("<img") == -1) oHdnField.value = "";
}

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

        
        
        
}

function rteCommand(rte, command, option) {
        //function to perform command
        var oRTE;
        if (document.all) {
                oRTE = frames[rte];
        } else {
                oRTE = document.getElementById(rte).contentWindow;
        }

        try {
                oRTE.focus();
                  oRTE.document.execCommand(command, false, option);
                oRTE.focus();

        } catch (e) {
//                alert(e);
//                setTimeout("rteCommand('" + rte + "', '" + command + "', '" + option + "');", 10);
        }
}

function toggleHTMLSrc(rte, buttons) {
        //contributed by Bob Hutzel (thanks Bob!)
        var oHdnField = document.getElementById('hdn' + rte);

        if (document.getElementById("chkSrc" + rte).checked) {
                //we are checking the box
                if (buttons) {
                        showHideElement("Buttons1_" + rte, "hide");
                        showHideElement("Buttons2_" + rte, "hide");
                }
                setHiddenVal(rte);
                if (document.all) {
                        frames[rte].document.body.innerText = oHdnField.value;
                } else {
                        var oRTE = document.getElementById(rte).contentWindow.document;
                        var htmlSrc = oRTE.createTextNode(oHdnField.value);
                        oRTE.body.innerHTML = "";
                        oRTE.body.appendChild(htmlSrc);
                }
        } else {
                //we are unchecking the box
                if (buttons) {
                        showHideElement("Buttons1_" + rte, "show");
                        showHideElement("Buttons2_" + rte, "show");
                }
                if (document.all) {
                        //fix for IE
                        var output = escape(frames[rte].document.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");
                        frames[rte].document.body.innerHTML = unescape(output);
                } else {
                        var oRTE = document.getElementById(rte).contentWindow.document;
                        var htmlSrc = oRTE.body.ownerDocument.createRange();
                        htmlSrc.selectNodeContents(oRTE.body);
                        oRTE.body.innerHTML = htmlSrc.toString();
                }
        }
}

function dlgColorPalette(rte, command) {


        //function to display or hide color palettes
        setRange(rte);

        //get dialog position
        var oDialog = document.getElementById('cp' + rte);
        var buttonElement = document.getElementById(command + '_' + rte);
        var iLeftPos = getOffsetLeft(buttonElement);
        var iTopPos = getOffsetTop(buttonElement) + (buttonElement.offsetHeight + 4);
   
        
        oDialog.style.left = (iLeftPos) + "px";
        oDialog.style.top = (iTopPos) + "px";

        if ((command == parent.command) && (rte == currentRTE)) {
                //if current command dialog is currently open, close it
                if (oDialog.style.visibility == "hidden") {
                        showHideElement(oDialog, 'show');
                } else {
                        showHideElement(oDialog, 'hide');
                }
        } else {
                //if opening a new dialog, close all others
                var vRTEs = allRTEs.split(";");
                for (var i = 0; i < vRTEs.length; i++) {
                        showHideElement('cp' + vRTEs[i], 'hide');
                }
                showHideElement(oDialog, 'show');
        }

        //save current values
        parent.command = command;
   
        currentRTE = rte;/*
        var cp = new ColorPicker();
        cp.select(setCPColor, command + '_' + rte, 'command', command);
     */   
        
}

function setCPColor(color, command)
{
	
}

function dlgInsertTable(rte, command) {
        //function to open/close insert table dialog
        //save current values
        parent.command = command;
        currentRTE = rte;
        InsertTable = popUpWin(includesPath + 'insert_table.htm', 'InsertTable', 360, 180, '');
}

function dlgInsertLink(rte, command) {
        //function to open/close insert table dialog
        //save current values
        parent.command = command;
        currentRTE = rte;
        InsertLink = popUpWin(includesPath + 'insert_link.htm', 'InsertLink', 360, 180, '');

        //get currently highlighted text and set link text value
        setRange(rte);
        var linkText = '';
        if (isIE) {
                linkText = stripHTML(rng.htmlText);
        } else {
                linkText = stripHTML(rng.toString());
        }
        setLinkText(linkText);
}

function setLinkText(linkText) {
        //set link text value in insert link dialog
        try {
                window.InsertLink.document.linkForm.linkText.value = linkText;
        } catch (e) {
                //may take some time to create dialog window.
                //Keep looping until able to set.
                setTimeout("setLinkText('" + linkText + "');", 10);
        }
}

function popUpWin (url, win, width, height, options) {
        var leftPos = (screen.availWidth - width) / 2;
        var topPos = (screen.availHeight - height) / 2;
        options += 'width=' + width + ',height=' + height + ',left=' + leftPos + ',top=' + topPos;
        return window.open(url, win, options);
}

function setColor(color) {
        //function to set color
        var rte = currentRTE;
        var parentCommand = parent.command;

        if (document.all) {
                if (parentCommand == "hilitecolor") parentCommand = "backcolor";

                //retrieve selected range
                rng.select();
        }

        rteCommand(rte, parentCommand, color);
        showHideElement('cp' + rte, "hide");
}

function addImage(rte) {
        //function to add image
        imagePath = prompt('Enter Image URL:', 'http://');
        if ((imagePath != null) && (imagePath != "")) {
                rteCommand(rte, 'InsertImage', imagePath);
        }
}

// 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 = 60; //the positioning div is 2 elements up the tree

        while(parents_up > 0 && mOffsetParent) {
                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 = 60;

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

        return mOffsetLeft;
}

function selectFont(rte, selectname) {
        //function to handle font changes
        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, '');
                rteCommand(rte, cmd, selected);
                document.getElementById(selectname).selectedIndex = 0;
        }
}

function selectFont2(rte, cmd, value) {
        //function to handle font changes
  
        // First one is always a label
  
                var selected = value;
                rteCommand(rte, cmd, selected);
     
        
}

function insertHTML(html) {
        //function to add HTML -- thanks dannyuk1982
        var rte = currentRTE;

        var oRTE;
        if (document.all) {
                oRTE = frames[rte];
        } else {
                oRTE = document.getElementById(rte).contentWindow;
        }

        oRTE.focus();
        if (document.all) {
                var oRng = oRTE.document.selection.createRange();
                oRng.pasteHTML(html);
                oRng.collapse(false);
                oRng.select();
        } else {
                oRTE.document.execCommand('insertHTML', false, html);
        }
}

function showHideElement(element, showHide) {
        //function to show or hide elements
        //element variable can be string or object
        if (document.getElementById(element)) {
                element = document.getElementById(element);
        }

        if (showHide == "show") {
                element.style.visibility = "visible";
        } else if (showHide == "hide") {
                element.style.visibility = "hidden";
        }
}

function setRange(rte) {
        //function to store range of current selection
        var oRTE;
        if (document.all) {
                oRTE = frames[rte];
                var selection = oRTE.document.selection;
                if (selection != null) rng = selection.createRange();
        } else {
                oRTE = document.getElementById(rte).contentWindow;
                var selection = oRTE.getSelection();
                rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();
        }
        return rng;
}

function stripHTML(oldString) {
        //function to strip all html
        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
}

//********************
//Gecko-Only Functions
//********************
function geckoKeyPress(evt) {
        //function to add bold, italic, and underline shortcut commands to gecko RTEs
        //contributed by Anti Veeranna (thanks Anti!)
        var rte = evt.target.id;

        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) {
                        rteCommand(rte, cmd, null);

                        // stop the event bubble
                        evt.preventDefault();
                        evt.stopPropagation();
                }
         }
}

//*****************
//IE-Only Functions
//*****************
function ieKeyPress(evt, rte) {
        var key = (evt.which || evt.charCode || evt.keyCode);
        var stringKey = String.fromCharCode(key).toLowerCase();

//the following breaks list and indentation functionality in IE (don't use)
//        switch (key) {
//                case 13:
//                        //insert <br> tag instead of <p>
//                        //change the key pressed to null
//                        evt.keyCode = 0;
//
//                        //insert <br> tag
//                        currentRTE = rte;
//                        insertHTML('<br>');
//                        break;
//        };
}

function checkspell() {
        //function to perform spell check
        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);
                }
        }
}

function raiseButton(e) {
        var el = window.event.srcElement;

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

function normalButton(e) {
        var el = window.event.srcElement;

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

function lowerButton(e) {
        var el = window.event.srcElement;

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


function addTag(rte,tag) {

        currentRTE = rte;
        insertHTML( ' ' + tag );

}