// Cross-Browser Rich Text Editor for Uyghur
// Originally written by Kevin Roth
// Modifications by Muhammad Abdulla for Uyghur language support

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 = "UTF-8";

var ugStyle = ' style="font-family:  Uyghur Nasq Unicode, UKIJ Nasq, UKIJ Tuz Tom, Uyghur Tuz1 Unicode, Uyghur Tuz Unicode, UKIJ Basma, UKIJ Tuz ; font-size: 16px" ' ;

var keymap = new Array ( 128 ) ;

var imode = 0 ; // input mode, default is Uyghur

// returns a char code for a given character
function gac ( ascii )
{
    var str = "" + ascii ;
    return str.charCodeAt(0) ;
}

function init_syntax ( )
{
  // zero-out all entries first
  for ( i = 0 ; i < keymap.length ; i++ ) {
     keymap[i] = 0 ;
  }

  // Uyghur Unicode character map
  keymap [ gac ( 'A' ) ] = 0x06BE ;
  keymap [ gac ( 'a' ) ] = 0x06BE ;
  keymap [ gac ( 'B' ) ] = 0x0628 ;
  keymap [ gac ( 'b' ) ] = 0x0628 ;
  keymap [ gac ( 'C' ) ] = 0x063A ;
  keymap [ gac ( 'c' ) ] = 0x063A ;
  keymap [ gac ( 'D' ) ] = 0x0698 ;
  keymap [ gac ( 'd' ) ] = 0x062F ;
  keymap [ gac ( 'E' ) ] = 0x06D0 ;
  keymap [ gac ( 'e' ) ] = 0x06D0 ;
  keymap [ gac ( 'f' ) ] = 0x0627 ;
  keymap [ gac ( 'F' ) ] = 0x0641 ;
  keymap [ gac ( 'G' ) ] = 0x06AF ;
  keymap [ gac ( 'g' ) ] = 0x06D5 ;
  keymap [ gac ( 'H' ) ] = 0x062E ;
  keymap [ gac ( 'h' ) ] = 0x0649 ;
  keymap [ gac ( 'I' ) ] = 0x06AD ;
  keymap [ gac ( 'i' ) ] = 0x06AD ;
  keymap [ gac ( 'J' ) ] = 0x062C ;
  keymap [ gac ( 'j' ) ] = 0x0642 ;
  keymap [ gac ( 'K' ) ] = 0x06C6 ;
  keymap [ gac ( 'k' ) ] = 0x0643 ;
  keymap [ gac ( 'L' ) ] = 0x0644 ;
  keymap [ gac ( 'l' ) ] = 0x0644 ;
  keymap [ gac ( 'M' ) ] = 0x0645 ;
  keymap [ gac ( 'm' ) ] = 0x0645 ;
  keymap [ gac ( 'N' ) ] = 0x0646 ;
  keymap [ gac ( 'n' ) ] = 0x0646 ;
  keymap [ gac ( 'O' ) ] = 0x0648 ;
  keymap [ gac ( 'o' ) ] = 0x0648 ;
  keymap [ gac ( 'P' ) ] = 0x067E ;
  keymap [ gac ( 'p' ) ] = 0x067E ;
  keymap [ gac ( 'Q' ) ] = 0x0686 ;
  keymap [ gac ( 'q' ) ] = 0x0686 ;
  keymap [ gac ( 'R' ) ] = 0x0631 ;
  keymap [ gac ( 'r' ) ] = 0x0631 ;
  keymap [ gac ( 'S' ) ] = 0x0633 ;
  keymap [ gac ( 's' ) ] = 0x0633 ;
  keymap [ gac ( 'T' ) ] = 0x0640 ; // space filler character
  //keymap [ gac ( 'T' ) ] = 0x062A ;
  keymap [ gac ( 't' ) ] = 0x062A ;
  keymap [ gac ( 'U' ) ] = 0x06C7 ;
  keymap [ gac ( 'u' ) ] = 0x06C7 ;
  keymap [ gac ( 'V' ) ] = 0x06C8 ;
  keymap [ gac ( 'v' ) ] = 0x06C8 ;
  keymap [ gac ( 'W' ) ] = 0x06CB ;
  keymap [ gac ( 'w' ) ] = 0x06CB ;
  keymap [ gac ( 'X' ) ] = 0x0634 ;
  keymap [ gac ( 'x' ) ] = 0x0634 ;
  keymap [ gac ( 'Y' ) ] = 0x064A ;
  keymap [ gac ( 'y' ) ] = 0x064A ;
  keymap [ gac ( 'Z' ) ] = 0x0632 ;
  keymap [ gac ( 'z' ) ] = 0x0632 ;
  keymap [ gac ( '/' ) ] = 0x0626 ;
  
  // Uyghur punctuation marks
  keymap [ gac ( ';' ) ] = 0x061B ;
  keymap [ gac ( '?' ) ] = 0x061F ;
  keymap [ gac ( ',' ) ] = 0x060C ;
}


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

   //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 && !isSafari && !isKonqueror) {
      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;
      
      if (readOnly) buttons = false;
      
      //adjust minimum table widths
      if (isIE) {
         if (buttons && (width < 540)) width = 540;
         var tablewidth = width;
      } else {
         if (buttons && (width < 540)) width = 540;
         var tablewidth = width + 4;
      }
      
      document.writeln('<div class="rteDiv">');
      if (buttons == true) {
         document.writeln('<table class="rteBack" cellpadding=2 cellspacing=0 id="Buttons1_' + rte + '" width="' + tablewidth + '">');
         document.writeln('   <tr>');
         document.writeln('      <td>');
         document.writeln('         <select ' + ugStyle + ' id="fontname_' + rte + '" onchange="selectFont(\'' + rte + '\', this.id)">');
         document.writeln('            <option value="Font" selected>[خەت نۇسخىسى]</option>');
         document.writeln('            <option value="UKIJ Nasq">ناسىق</option>');
         document.writeln('            <option value="UKIJ Tuz Tom">تۈز توم</option>');
         document.writeln('            <option value="UKIJ Esliye">ئەسلىيە</option>');
         document.writeln('            <option value="UKIJ Tuz">تۈز</option>');
         document.writeln('         </select>');
         document.writeln('      </td>');
         document.writeln('      <td>');
         document.writeln('         <select ' + ugStyle + 'unselectable="on" id="fontsize_' + rte + '" onchange="selectFont(\'' + rte + '\', this.id);">');
         document.writeln('            <option value="Size">[خەت چوڭلۇقى]</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('      <td width="100%">');
         document.writeln('        <input type="radio" name="im" value="ug" onClick="setImode(\'' + rte +'\',0);" checked><span' + ugStyle + '>&#X0626;&#X06C7;&#X064A;&#X063A;&#X06C7;&#X0631;&#X0686;&#X06D5;</span>');
         document.writeln('        <input type="radio" name="im" value="en" onClick="setImode(\'' + rte +'\',1);">English');
         document.writeln('      </td>');
         document.writeln('   </tr>');
         document.writeln('</table>');
         document.writeln('<table class="rteBack" cellpadding="0" cellspacing="0" id="Buttons2_' + rte + '" width="' + tablewidth + '">');
         document.writeln('   <tr>');
         document.writeln('      <td><img id="bold" class="rteImage" src="' + imagesPath + 'bold.gif" width="25" height="24" alt="Bold" title="توم" onClick="rteCommand(\'' + rte + '\', \'bold\', \'\')"></td>');
         document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'italic.gif" width="25" height="24" alt="Italic" title="يانتۇ" onClick="rteCommand(\'' + rte + '\', \'italic\', \'\')"></td>');
         document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'underline.gif" width="25" height="24" alt="Underline" title="تۆۋەندىن سىزىلغان" onClick="rteCommand(\'' + 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="سولغا توغرىلاش" onClick="rteCommand(\'' + rte + '\', \'justifyleft\', \'\')"></td>');
         document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'centre.gif" width="25" height="24" alt="Center" title=" ئوتتۇرىغا توغرىلاش" onClick="rteCommand(\'' + rte + '\', \'justifycenter\', \'\')"></td>');
         document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'right_just.gif" width="25" height="24" alt="Align Right" title="ئوڭغا توغرىلاش" onClick="rteCommand(\'' + rte + '\', \'justifyright\', \'\')"></td>');
         document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'justifyfull.gif" width="25" height="24" alt="Justify Full" title="تەڭ توغرىلاش" onclick="rteCommand(\'' + 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="ئۇزۇن سىزىق" onClick="rteCommand(\'' + 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="تەرتىپلەنگەن تىزىملىك" onClick="rteCommand(\'' + rte + '\', \'insertorderedlist\', \'\')"></td>');
         document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'list.gif" width="25" height="24" alt="Unordered List" title="تەرتىپلەنمىگەن تىزىملىك" onClick="rteCommand(\'' + 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="سىرتىغا سۈرۈش" onClick="rteCommand(\'' + rte + '\', \'outdent\', \'\')"></td>');
         document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'indent.gif" width="25" height="24" alt="Indent" title="ئىچىگە سۈرۈش" onClick="rteCommand(\'' + 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="خەت رەڭگى" onClick="dlgColorPalette(\'' + 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="تېگىنىڭ رەڭگى" onClick="dlgColorPalette(\'' + 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="ئۇلانما قىستۇرۇش" onClick="dlgInsertLink(\'' + rte + '\', \'link\')"></td>');
         document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'image.gif" width="25" height="24" alt="Add Image" title="سۈرەت قوشۇش" onClick="addImage(\'' + rte + '\')"></td>');
         //document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'image.gif" width="25" height="24" alt="Add Image" title="سۈرەت قوشۇش" onClick="addImage(\'' + rte + '\')"></td>');
         document.writeln('      <td><div id="table_' + rte + '"><img class="rteImage" src="' + imagesPath + 'insert_table.gif" width="25" height="24" alt="Insert Table" title="جەدىۋەل قىستۇرۇش" onClick="dlgInsertTable(\'' + rte + '\', \'table\', \'\')"></div></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="rteCommand(\'' + rte + '\', \'cut\')"></td>');
   //      document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'copy.gif" width="25" height="24" alt="Copy" title="Copy" onClick="rteCommand(\'' + rte + '\', \'copy\')"></td>');
   //      document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'paste.gif" width="25" height="24" alt="Paste" title="Paste" onClick="rteCommand(\'' + 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="rteCommand(\'' + rte + '\', \'undo\')"></td>');
   //      document.writeln('      <td><img class="rteImage" src="' + imagesPath + 'redo.gif" width="25" height="24" alt="Redo" title="Redo" onClick="rteCommand(\'' + rte + '\', \'redo\')"></td>');
         document.writeln('      <td width="100%"></td>');
         document.writeln('   </tr>');
         document.writeln('</table>');
      }
      document.writeln('<iframe id="' + rte + '" name="' + rte + '" width="' + width + 'px" height="' + height + 'px" src="' + includesPath + 'blank.htm"></iframe>');
      // if (!readOnly) document.writeln('<br /><input type="checkbox" id="chkSrc' + rte + '" onclick="toggleHTMLSrc(\'' + rte + '\',' + buttons + ');" />&nbsp;<label for="chkSrc' + rte + '">View Source</label>');
      document.writeln('<iframe width="154" height="104" id="cp' + rte + '" src="' + includesPath + 'palette.htm" marginwidth="0" marginheight="0" scrolling="no" style="visibility:hidden; position: absolute;"></iframe>');
      document.writeln('<input type="hidden" id="hdn' + rte + '" name="' + rte + '" value="">');
      document.writeln('</div>');
      
      document.getElementById('hdn' + rte).value = html;
      enableDesignMode(rte, html, readOnly);
   } else {
      if (!readOnly) {
         document.writeln('<textarea onKeyPress="addchar(this,event);" name="' + rte + '" id="' + rte + '" style="width: ' + width + 'px; height: ' + height + 'px;">' + html + '</textarea>');
      } else {
         document.writeln('<textarea name="' + rte + '" id="' + rte + '" style="width: ' + width + 'px; height: ' + height + 'px;" readonly>' + html + '</textarea>');
      }
   }
}

function enableDesignMode(rte, html, readOnly) {
   var frameHtml = "<html dir=\"rtl\" id=\"" + rte + "\">\n";
   frameHtml += "<head>\n";
   frameHtml += "<script src=\"/scripts/bedit.js\"></script>\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 += "   font-family: Uyghur Nasq Unicode, UKIJ Nasq, UKIJ Tuz Tom, Uyghur Tuz1 Unicode, Uyghur Tuz Unicode, UKIJ Basma, UKIJ Tuz;\n";
      frameHtml += "   font-size: 18px\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";
         frames[rte].document.attachEvent("onkeypress", function evt_ie_keypress(event) {ieKeyPress(event, rte);});
         frames[rte].document.attachEvent("onkeydown", ieKeyDown);
      }
   } 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
      //if (document.getElementById("chkSrc" + rte).checked) document.getElementById("chkSrc" + rte).click();
      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 setImode( rte, im ) {
   var oRTE;

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

   if ( im == 0 ) {
      imode = 0 ;
   } else {
      imode = 1 ;
   }

   oRTE.focus() ;
}

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;
}

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', 420, 240, '');
}

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', 450, 220, '');
   
   //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);
   //}
   currentRTE = rte;
   InsertTable = popUpWin(includesPath + 'insert_image.htm', 'InsertImage', 420, 140, '');
}

// 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 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 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;
         case 'k': imode = 1 - imode ; evt.preventDefault(); break ;
      };

      if (cmd) {
         rteCommand(rte, cmd, null);
         
         // stop the event bubble
         evt.preventDefault();
         evt.stopPropagation();
      }
    } else {
       var key = evt.which ;
       if ( imode == 0 && keymap[key] != 0 ) {
          oRTE = document.getElementById(rte).contentWindow;
          oRTE.document.execCommand('insertHTML', false, String.fromCharCode(keymap[key]));
          evt.preventDefault() ;
       }
    }
}

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

   key = evt.keyCode ;

   if (evt.ctrlKey) {
      if ( key == 11 ) { // Ctrl-K pressed
         alert ( "ctrl-k pressed"  ) ;
      }
   } else {
      if ( imode == 0 && keymap[key] != 0 ) {
         evt.keyCode = keymap[key] ;
      }
   }
//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 ieKeyDown(event) {
   if ( !event ) {
      event = window.event;
   }
   var e = event;

   if ( e.keyCode == 75 && e.ctrlKey ) { // Ctrl+K, toggle input mode 
      imode = 1 - imode ;
      // Cancel event
      e.returnValue = false;
      e.cancelBubble = true;
      return false;
   }
}

function checkspell() {
}

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';
   }
}