// 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 + 'style.css";</style>');
	
	//for testing standard textarea, uncomment the following line
	//isRichText = false;
}

function writeRichText(rte, html, web, 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 < 520)) width = 520;
			var tablewidth = width;
		} else {
			if (buttons && (width < 520)) width = 520;
			var tablewidth = width + 4;
		}
		document.writeln('<div style="width:'+width+'px;">');
		if (buttons == true) {
			
		document.writeln('<div id="toolbarArea" style="margin:0px;padding:0px;clear:both;">');
		document.writeln('<div class="Toolbar" style="margin:0px;padding:0px;">');
		document.writeln('<table background="' + imagesPath + 'toolbar.gif" cellpadding=0 cellspacing=0 id="Buttons1_' + rte + '" width=100%">');
		document.writeln('<tr><td><img src="' + imagesPath + 'start.gif" 	width="10" height="26"></td><td nowrap>');
		document.writeln('<input type="button" value=" Save " onclick="validate(REPLIER);"> <!input type="submit" name="action" value="Cancel">');		
		document.writeln('<select id="formatblock_' + rte + '" onchange="selectFont(\'' + rte + '\', this.id);">');
		document.writeln('		<option value="">[Style]</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="<p>">Paragraph &lt;p&gt;</option>');
		document.writeln('	</select>');
		document.writeln('</td><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('	</select>');
		document.writeln('</td><td>');
		document.writeln('	<select unselectable="on" id="fontsize_' + rte + '" onchange="selectFont(\'' + rte + '\', this.id);">');
		document.writeln('	<option value="Size">[Size]</option><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option>');
		document.writeln('	</select></td>');
		if (!readOnly) { 
      		document.writeln('<td width="97%"><input type="checkbox" id="chkSrc' + rte + '" onclick="toggleHTMLSrc(\'' + rte + '\');" />&nbsp;HTML'); 
   		}		
		document.writeln('</td><td><img src="' + imagesPath + 'end.gif" 	width="15" height="26"></td>');
		document.writeln('</tr></table></div></div>');
		document.writeln('<div id="toolbarArea" style="margin:0px;padding:0px;clear:both;">');
		document.writeln('<div class="Toolbar"style="margin:0px;padding:0px;">');
		document.writeln('<table background="' + imagesPath + 'toolbar.gif" cellpadding="0" cellspacing="0" id="Buttons2_' + rte + '" width="100%"><tr>');
		document.writeln('<td><img src="' + imagesPath + 'start.gif" 				width="10" height="26"></td>');
		document.writeln('<td><img class="rteImage" id="bold"  src="' + imagesPath + 'bold.gif" width="21" height="20" alt="Bold" title="Bold" onClick="rteCommand(\'' + rte + '\', \'bold\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'italic.gif" 		width="21" height="20" alt="Italic" title="Italic" onClick="rteCommand(\'' + rte + '\', \'italic\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'underline.gif" 	width="21" height="20" alt="Underline" title="Underline" onClick="rteCommand(\'' + rte + '\', \'underline\', \'\')"></td>');
		document.writeln('<td><img src="' + imagesPath + 'blackdot.gif" 			width="1"  height="20" border="0" alt=""></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'left_just.gif" 	width="21" height="20" alt="Align Left" title="Align Left" onClick="rteCommand(\'' + rte + '\', \'justifyleft\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'centre.gif" 		width="21" height="20" alt="Center" title="Center" onClick="rteCommand(\'' + rte + '\', \'justifycenter\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'right_just.gif" 	width="21" height="20" alt="Align Right" title="Align Right" onClick="rteCommand(\'' + rte + '\', \'justifyright\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'justifyfull.gif" 	width="21" height="20" alt="Justify Full" title="Justify Full" onclick="rteCommand(\'' + rte + '\', \'justifyfull\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'blackdot.gif" 	width="1"  height="20" border="0" alt=""></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'hr.gif" 		width="21" height="20" alt="Horizontal Rule" title="Horizontal Rule" onClick="rteCommand(\'' + rte + '\', \'inserthorizontalrule\', \'\')"></td>');
		document.writeln('<td><img src="' + imagesPath + 'blackdot.gif" 			width="1"  height="20" border="0" alt=""></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'numbered_list.gif" 	width="21" height="20" alt="Ordered List" title="Ordered List" onClick="rteCommand(\'' + rte + '\', \'insertorderedlist\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'list.gif" 		width="21" height="20" alt="Unordered List" title="Unordered List" onClick="rteCommand(\'' + rte + '\', \'insertunorderedlist\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'blackdot.gif" 	width="1"  height="20" border="0" alt=""></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'outdent.gif" 	width="21" height="20" alt="Outdent" title="Outdent" onClick="rteCommand(\'' + rte + '\', \'outdent\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'indent.gif" 		width="21" height="20" alt="Indent" title="Indent" onClick="rteCommand(\'' + rte + '\', \'indent\', \'\')"></td>');
		document.writeln('<td><span id="forecolor_' + rte + '"><img class="rteImage" src="' + imagesPath + 'textcolor.gif" width="21 height="20" alt="Text Color" title="Text Color" onClick="dlgColorPalette(\'' + rte + '\', \'forecolor\', \'\')"></span></td>');
		document.writeln('<td><img src="' + imagesPath + 'blackdot.gif" 			width="1"  height="20" border="0" alt=""></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'hyperlink.gif" 	width="21" height="20" alt="Insert Link" title="Insert Link" onClick="dlgInsertLink(\'' + rte + '\', \'link\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'image.gif" 		width="21" height="20" alt="Add Image" title="Add Image" onClick="dlgInsertImage(\'' + rte + '\',\'' + web + '\', \'image\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'insert_table.gif" width="21" height="20" alt="Insert Table" title="Insert Table" onClick="dlgInsertTable(\'' + rte + '\', \'table\', \'\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'show_table.gif" 	width="21" height="20" alt="Show/Hide Table Borders" title="Show/Hide Table Borders" onClick="toggleGuidelines(\'' + rte + '\')"></td>');
		if (!readOnly) {
			document.writeln('<td><img class="rteImage" src="' + imagesPath + 'word.gif" 		width="21" height="20" alt="Remove tags from pasted word" title="Remove tags from pasted word" onClick="javascript:cleanupHTML(\'' + rte + '\', true);"></td>');
		}		
		if (isIE) {
		document.writeln('<td><img src="' + imagesPath + 'blackdot.gif" 			width="1"  height="20" border="0" alt=""></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'cut.gif" 		width="21" height="20" alt="Cut" title="Cut" onClick="rteCommand(\'' + rte + '\', \'cut\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'copy.gif" 		width="21" height="20" alt="Copy" title="Copy" onClick="rteCommand(\'' + rte + '\', \'copy\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'paste.gif" 		width="21" height="20" alt="Paste" title="Paste" onClick="rteCommand(\'' + rte + '\', \'paste\')"></td>');}
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'blackdot.gif"	width="1"  height="20" border="0" alt=""></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'undo.gif" 		width="21" height="20" alt="Undo" title="Undo" onClick="rteCommand(\'' + rte + '\', \'undo\')"></td>');
		document.writeln('<td><img class="rteImage" src="' + imagesPath + 'redo.gif" 		width="21" height="20" alt="Redo" title="Redo" onClick="rteCommand(\'' + rte + '\', \'redo\')"></td>');
      		document.writeln('<td width="99%"></td>');
		document.writeln('<td><img src="' + imagesPath + 'end.gif" 				width="15" height="26"></td>');
		document.writeln('</tr></table></div></div>');
		}
		//if (!isIE) 
		//{
		//	width= tablewidth - 6;
		//}
		//else
		//{
			width= tablewidth - 10;
		//}
		document.writeln('<iframe id="' + rte + '" name="' + rte + '" width="100%" height="' + height + 'px" src="' + includesPath + 'blank.htm" frameborder="0" class="editbox"></iframe>');
				

		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:100%; height: ' + height + 'px;">' + html + '</textarea>');
		} else {
			document.writeln('<textarea name="' + rte + '" id="' + rte + '" style="width:100%; 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=\"css/editor.css\" 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 dlgInsertImage(rte, web, command) {
	//function to open/close insert image dialog
	//save current values
	parent.command = command;
	currentRTE = rte;
	InsertTable = popUpWin(includesPath + '../imgupload.asp?web='+web, 'InsertImage', 470, 430, '');
}

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';
	}
}

function toggleGuidelines(rte) {
    var oRTE;
    if (document.all) {
       oRTE = frames[rte];
    } else {
       oRTE = document.getElementById(rte).contentWindow;
    }
   var tables = oRTE.document.getElementsByTagName("table");
   for(var i=0; i<tables.length; i++) {
      if(tables[i].getAttribute("border") == "0" && (tables[i].getAttribute("guidelines") == null || tables[i].getAttribute("guidelines") == "false")) {
         tables[i].setAttribute("guidelines", "true");
         var tds = tables[i].getElementsByTagName("td");
         for(var j=0; j<tds.length; j++) {
           tds[j].style.border = "dashed 1px cyan";
         }
      } else if(tables[i].getAttribute("guidelines") == "true") {
         tables[i].setAttribute("guidelines", "false");
         var tds = tables[i].getElementsByTagName("td");
         for(var j=0; j<tds.length; j++) {
             //tds[j].style.border = "0px"; //Enable if you use style tags in td tags
                tds[j].removeAttribute("style"); //Disable if you use style tags in td tags
         }
      }
   }
}

function stripGuidelines() {
  var oRTE;
   var vRTEs = allRTEs.split(";");
   for (var i = 0; i < vRTEs.length; i++) {
     if (document.all) {
        oRTE = frames[vRTEs[i]];
     } else {
        oRTE = document.getElementById(vRTEs[i]).contentWindow;
     }
     var tables = oRTE.document.getElementsByTagName("table");
    for(var j=0; j<tables.length; j++) {
      if(tables[j].getAttribute("guidelines") == "true") {
         var tds = tables[j].getElementsByTagName("td");
         for(var k=0; k<tds.length; k++) {
             //tds[j].style.border = "0px"; //Enable if you use style tags in td tags
                tds[k].removeAttribute("style"); //Disable if you use style tags in td tags
         }
         tables[j].removeAttribute("guidelines");
      }
    }
  }
}

function cleanupHTML(rte, displayMessage) { 
   var oRTE; 
   if (document.all) { 
      oRTE = frames[rte].document; 
   } else { 
      oRTE = document.getElementById(rte).contentWindow.document; 
   } 
   //if viewing source, switch back to design view 
   if (document.getElementById("chkSrc" + rte).checked) { 
      document.getElementById("chkSrc" + rte).checked = false; 
      toggleHTMLSrc(rte); 
   } 
   // get text and strip out nbsps which is not done by trim() 
   var oldString = oRTE.body.innerHTML; 
   var newString = oldString.replace(/&nbsp;/ig, " "); 
  newString = newString.replace(/&nbsp;/gi, "")
  newString = newString.replace(/<\\?\??xml[^>]*>/gi, "")
  newString = newString.replace(/<\/?\w+:[^>]*>/gi, "")
  newString = newString.replace(/<p([^>])*>(&nbsp;)*\s*<\/p>/gi,"")
  newString = newString.replace(/<\/?SPAN[^>]*>/gi, '')
  newString = newString.replace(/<(\w[^>]*) style='([^']*)'([^>]*)/gi, "<$1$3")
  newString = newString.replace(/<(\w[^>]*) lang=([^ |>]*)([^>]*)/gi, "<$1$3")
  newString = newString.replace(/<p([^>])*>(&nbsp;)*\s*<\/p>/gi,"")
 // newString = newString.replace(/<span([^>])*>([^<]*\s<\/span>/gi,"")

  // write text back 
   oRTE.body.innerHTML = newString; 
    
   // display message 
   if (displayMessage == true) alert("Word tags stripped"); 
}