// Cross-Browser Rich Text Editor

// http://www.kevinroth.com/rte/demo.htm

// Written by Kevin Roth (kevin@NOSPAMkevinroth.com - remove NOSPAM)

// 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;

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 && !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 id="formatblock_' + rte + '" onchange="selectFont(\'' + rte + '\', this.id);">');

			document.writeln('				<option value="">[Style]</option>');

			document.writeln('				<option value="<p>">Paragraph &lt;p&gt;</option>');

			document.writeln('				<option value="<h1>">Heading 1 &lt;h1&gt;</option>');

			document.writeln('				<option value="<h2>">Heading 2 &lt;h2&gt;</option>');

			document.writeln('				<option value="<h3>">Heading 3 &lt;h3&gt;</option>');

			document.writeln('				<option value="<h4>">Heading 4 &lt;h4&gt;</option>');

			document.writeln('				<option value="<h5>">Heading 5 &lt;h5&gt;</option>');

			document.writeln('				<option value="<h6>">Heading 6 &lt;h6&gt;</option>');

			document.writeln('				<option value="<address>">Address &lt;ADDR&gt;</option>');

			document.writeln('				<option value="<pre>">Formatted &lt;pre&gt;</option>');

			document.writeln('			</select>');

			document.writeln('		</td>');

			document.writeln('		<td>');

			document.writeln('			<select id="fontname_' + rte + '" onchange="selectFont(\'' + 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('				<option value="Symbol">Symbol</option>');

			document.writeln('			</select>');

			document.writeln('		</td>');

			document.writeln('		<td>');

			document.writeln('			<select unselectable="on" id="fontsize_' + rte + '" onchange="selectFont(\'' + 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('		<td width="100%">');

			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="Bold" onClick="rteCommand(\'' + rte + '\', \'bold\', \'\')"></td>');

			document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'italic.gif" width="25" height="24" alt="Italic" title="Italic" onClick="rteCommand(\'' + rte + '\', \'italic\', \'\')"></td>');

			document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'underline.gif" width="25" height="24" alt="Underline" title="Underline" 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="Align Left" onClick="rteCommand(\'' + rte + '\', \'justifyleft\', \'\')"></td>');

			document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'centre.gif" width="25" height="24" alt="Center" title="Center" onClick="rteCommand(\'' + 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="rteCommand(\'' + rte + '\', \'justifyright\', \'\')"></td>');

			document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'justifyfull.gif" width="25" height="24" alt="Justify Full" title="Justify Full" onclick="rteCommand(\'' + rte + '\', \'justifyfull\', \'\')"></td>');

			document.writeln('		<td cospan=2 align=left><img class="rteVertSep" src="' + imagesPath + 'blackdot.gif" width="1" height="20" border="0" alt=""></td>');

			document.writeln('	</tr>');

			document.writeln('	<tr>');

			document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'hr.gif" width="25" height="24" alt="Horizontal Rule" title="Horizontal Rule" 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="Ordered List" onClick="rteCommand(\'' + rte + '\', \'insertorderedlist\', \'\')"></td>');

			document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'list.gif" width="25" height="24" alt="Unordered List" title="Unordered List" 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="Outdent" onClick="rteCommand(\'' + rte + '\', \'outdent\', \'\')"></td>');

			document.writeln('		<td><img class="rteImage" src="' + imagesPath + 'indent.gif" width="25" height="24" alt="Indent" title="Indent" 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="Text Color" onClick="dlgColorPalette(\'' + rte + '\', \'forecolor\', \'\')"></div></td>');

			document.writeln('		<td cospan=2 align=left><div id="hilitecolor_' + rte + '"><img class="rteImage" src="' + imagesPath + 'bgcolor.gif" width="25" height="24" alt="Background Color" title="Background Color" onClick="dlgColorPalette(\'' + rte + '\', \'hilitecolor\', \'\')"></div></td>');

			document.writeln('	</tr>');

			document.writeln('	<tr>');

			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="dlgInsertLink(\'' + rte + '\', \'link\')"></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>');

			document.writeln('		<td><div id="table_' + rte + '"><img class="rteImage" src="' + imagesPath + 'insert_table.gif" width="25" height="24" alt="Insert Table" title="Insert Table" onClick="dlgInsertTable(\'' + rte + '\', \'table\', \'\')"></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 + '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 align=left><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 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 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";

			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

		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 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', 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 = 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;

		};



		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';

	}

}