var isRichText = false;
var rng;
var currentRTE;
var allRTEs = "";

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

var imagesPath;
var includesPath;
var cssFile;

var language;


function initRTE(imgPath, incPath, css, lang) {
	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);
	if (document.getElementById && document.designMode && !isSafari && !isKonqueror) {
		isRichText = true;
	}
	if(!isIE) document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT | Event.MOUSEDOWN | Event.MOUSEUP);
	document.onmouseover = raiseButton;
	document.onmouseout  = normalButton;
	document.onmousedown = lowerButton;
	document.onmouseup   = raiseButton;
	imagesPath = imgPath;
	includesPath = incPath;
	cssFile = css;
        language = lang;
}
function writeRichText(rte, html, width, height, buttons, readOnly) {
	if (isRichText) {
		if (allRTEs.length > 0) allRTEs += ";";
		allRTEs += rte;
		writeRTE(rte, html, width, height, buttons, readOnly, language);
	} else {
		writeDefault(rte, html, width, height, buttons, readOnly);
	}
}

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

function raiseButton(e) {
	if (isIE) {
		var el = window.event.srcElement;
	} else {
		var el= e.target;
	}

	className = el.className;
	if (className == 'btnImage' || className == 'btnImageLowered') {
		el.className = 'btnImageRaised';
	}
}

function normalButton(e) {
	if (isIE) {
		var el = window.event.srcElement;
	} else {
		var el= e.target;
	}

	className = el.className;
	if (className == 'btnImageRaised' || className == 'btnImageLowered') {
		el.className = 'btnImage';
	}
}

function lowerButton(e) {
	if (isIE) {
		var el = window.event.srcElement;
	} else {
		var el= e.target;
	}

	className = el.className;
	if (className == 'btnImage' || className == 'btnImageRaised') {
		el.className = 'btnImageLowered';
	}
}

function writeRTE(rte, html, width, height, buttons, readOnly,language) {
	if (isIE) {
		var tablewidth = width;
	} else {
		var tablewidth = width + 4;
	}

        switch(language) {
            case 'FR' :
               var imageWord     = '...'
               break;
            case 'EN' :
            default   :
               var styleWord     = 'Style';
               var fontWord      = 'Betűtipus';
               var sizeWord      = 'Méret';
               var boldWord      = 'Vastag';
               var italicWord    = 'Dőlt';
               var underlineWord = 'Aláhúzott';
               var alignLWord    = 'Balra igazítás';
               var alignCWord    = 'Középre igazítás';
               var alignRWord    = 'Jobbra igazítás';
               var alignFWord    = 'Sorkizárt igazítás';
               var rulerWord     = 'Horizontal Rule';
               var orderWord     = 'Számozás'
               var unorderWord   = 'Felsorolás'
               var outdentWord   = 'Outdent'
               var indentWord    = 'Indent'
               var textColorWord = 'Betűszín'
               var backColorWord = 'Background Color'
               var linkWord      = 'Linkbeszúrás'
               var imageWord     = 'Képbeszúrás'
               break;
            }
	if (readOnly) buttons = false;
	if (buttons == true) {
		document.writeln('<style type="text/css">');
		document.writeln('.btnImage { background-color:#FFFFFF; border: 2px solid #FFFFFF; cursor: pointer; cursor: hand;}');
		document.writeln('.btnImageRaised { background-color:#FFFFFF; border: 2px outset; cursor: pointer; cursor: hand;}');
		document.writeln('.btnImageLowered { background-color:#FFFFFF; border: 2px inset; cursor: pointer; cursor: hand;}');
		document.writeln('.vertSep { background-color:#FFFFFF; border:1px inset;font-size:0px; width:1px; height:20px; }');
		document.writeln('.btnBack { background-color:#FFFFFF; border:0px outset; letter-spacing:0; padding-top:2px; padding-bottom:2px }');
		document.writeln('img { border-style:none; }');
		document.writeln('</style>');
		document.writeln('<table class="btnBack" cellpadding=2 cellspacing=0 id="Buttons1_' + rte + '" width="' + tablewidth + '">');
		document.writeln('	<tr>');
		document.writeln('		<td>');
		document.writeln('			<select class=logindata_fonttype id="fontname_' + rte + '" onchange="Select(\'' + rte + '\', this.id)">');
		document.writeln('				<option value="Font" selected>[' + fontWord + ']</option>');
		document.writeln('				<option value="Arial, Helvetica, sans-serif">Arial</option>');
		document.writeln('				<option value="Courier New, Courier, mono">Courier</option>');
		document.writeln('				<option value="Times New Roman, Times, serif">Times</option>');
		document.writeln('				<option value="Verdana, Arial, Helvetica, sans-serif">Verdana</option>');
		document.writeln('			</select>');
		document.writeln('		</td>');
		document.writeln('		<td>');
		document.writeln('			<select class=logindata_fontsize unselectable="on" id="fontsize_' + rte + '" onchange="Select(\'' + rte + '\', this.id);">');
		document.writeln('				<option value="Size">[ ' + sizeWord + ']</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><img class="btnImage" src="' + imagesPath + 'bold.png" alt="' + boldWord + '" title="' +boldWord + '" onClick="FormatText(\'' + rte + '\', \'bold\', \'\')"></td>');
		document.writeln('		<td><img class="btnImage" src="' + imagesPath + 'italic.png" alt="' + italicWord + '" title="' + italicWord + '" onClick="FormatText(\'' + rte + '\', \'italic\', \'\')"></td>');
		document.writeln('		<td><img class="btnImage" src="' + imagesPath + 'underline.png" alt="' + underlineWord + '" title="' + underlineWord + '" onClick="FormatText(\'' + rte + '\', \'underline\', \'\')"></td>');
		document.writeln('		<td><img class="btnImage" src="' + imagesPath + 'left_just.png" alt="' + alignLWord + '" title="' + alignLWord + '" onClick="FormatText(\'' + rte + '\', \'justifyleft\', \'\')"></td>');
		document.writeln('		<td><img class="btnImage" src="' + imagesPath + 'centre.png" alt="' + alignCWord + '" title="' + alignCWord + '" onClick="FormatText(\'' + rte + '\', \'justifycenter\', \'\')"></td>');
		document.writeln('		<td><img class="btnImage" src="' + imagesPath + 'right_just.png" alt="' + alignRWord + '" title="' + alignRWord + '" onClick="FormatText(\'' + rte + '\', \'justifyright\', \'\')"></td>');
		document.writeln('		<td><img class="btnImage" src="' + imagesPath + 'justifyfull.png" alt="' + alignFWord + '" title="' + alignFWord + '" onclick="FormatText(\'' + rte + '\', \'justifyfull\', \'\')"></td>');
		document.writeln('		<td width="100%"></td>');
		document.writeln('	</tr>');
		document.writeln('</table>');
	}
	document.writeln('<iframe class=logindata_ta_editor border=0 id="' + rte + '" name="' + rte + '" width="' + width + 'px" height="' + height + 'px"></iframe>');
	document.writeln('<input type="hidden" id="hdn' + rte + '" name="' + rte + '" value="">');
	document.getElementById('hdn' + rte).value = html;
	enableDesignMode(rte, html, readOnly);
}
function enableDesignMode(rte, html, readOnly) {
	var frameHtml = "<html id=\"" + rte + "\">\n";
	frameHtml += "<head>\n";
	if (cssFile.length > 0) {
		frameHtml += "<link media=\"all\" type=\"text/css\" href=\"" + cssFile + "\" rel=\"stylesheet\">\n";
	}
	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 class=logindata_ta_editor>\n";
	frameHtml += html + "\n";
	frameHtml += "</body>\n";
	frameHtml += "</html>";

	if (document.all) {
		var oRTE = frames[rte].document;
		oRTE.open();
		oRTE.write(frameHtml);
		oRTE.close();
		if (!readOnly) oRTE.designMode = "On";
	} else {
		try {
			if (!readOnly) document.getElementById(rte).contentDocument.designMode = "on";
			try {
				var oRTE = document.getElementById(rte).contentWindow.document;
				oRTE.open();
				oRTE.write(frameHtml);
				oRTE.close();
				if (isGecko && !readOnly) {
					oRTE.addEventListener("keypress", kb_handler, true);
				}
			} catch (e) {
				alert("Error preloading content.");
			}
		} catch (e) {
			if (isGecko) {
				setTimeout("enableDesignMode('" + rte + "', '" + html + "', " + readOnly + ");", 10);
			} else {
				return false;
			}
		}
	}
}

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

function updateRTE(rte) {
	if (!isRichText) return;
	var oHdnMessage = document.getElementById('hdn' + rte);
	var oRTE = document.getElementById(rte);
	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 (oHdnMessage.value == null) oHdnMessage.value = "";
		if (document.all) {
			oHdnMessage.value = frames[rte].document.body.innerHTML;
		} else {
			oHdnMessage.value = oRTE.contentWindow.document.body.innerHTML;
		}
		if (stripHTML(oHdnMessage.value.replace("&nbsp;", " ")) == ""
			&& oHdnMessage.value.toLowerCase().search("<hr") == -1
			&& oHdnMessage.value.toLowerCase().search("<img") == -1) oHdnMessage.value = "";
		if (escape(oHdnMessage.value) == "%3Cbr%3E%0D%0A%0D%0A%0D%0A") oHdnMessage.value = "";
	}
}
function FormatText(rte, command, option) {
	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();
	}

	try {
		if ((command == "forecolor") || (command == "hilitecolor")) {
			//save current values
			parent.command = command;
			currentRTE = rte;
			
			//position and show color palette
			buttonElement = document.getElementById(command + '_' + rte);
			// Ernst de Moor: Fix the amount of digging parents up, in case the RTE editor itself is displayed in a div.
			document.getElementById('cp' + rte).style.left = getOffsetLeft(buttonElement, 4) + "px";
			document.getElementById('cp' + rte).style.top = (getOffsetTop(buttonElement, 4) + buttonElement.offsetHeight + 4) + "px";
			if (document.getElementById('cp' + rte).style.visibility == "hidden") {
				document.getElementById('cp' + rte).style.visibility = "visible";
				document.getElementById('cp' + rte).style.display = "inline";
			} else {
				document.getElementById('cp' + rte).style.visibility = "hidden";
				document.getElementById('cp' + rte).style.display = "none";
			}
		} else if (command == "createlink") {
			var szURL = prompt("Adja meg az URL-t (\"http://\"-vel kezdve):", "");
			try {
				//ignore error for blank urls
				oRTE.document.execCommand("Unlink", false, null);
				oRTE.document.execCommand("CreateLink", false, szURL);
			} catch (e) {
				//do nothing
			}
		} else {
			oRTE.focus();
		  	oRTE.document.execCommand(command, false, option);
			oRTE.focus();
		}
	} catch (e) {
		alert(e);
	}}

function getOffsetTop(elm) {
	var mOffsetTop = elm.offsetTop;
	var mOffsetParent = elm.offsetParent;

	while(mOffsetParent){
		mOffsetTop += mOffsetParent.offsetTop;
		mOffsetParent = mOffsetParent.offsetParent;
	}

	return mOffsetTop;
}

function getOffsetLeft(elm) {
	var mOffsetLeft = elm.offsetLeft;
	var mOffsetParent = elm.offsetParent;

	while(mOffsetParent) {
		mOffsetLeft += mOffsetParent.offsetLeft;
		mOffsetParent = mOffsetParent.offsetParent;
	}

	return mOffsetLeft;
}

function Select(rte, selectname) {
	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();
	}

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

function kb_handler(evt) {
	var rte = evt.target.id;
	if (evt.ctrlKey) {
		var key = String.fromCharCode(evt.charCode).toLowerCase();
		var cmd = '';
		switch (key) {
			case 'b': cmd = "bold"; break;
			case 'i': cmd = "italic"; break;
			case 'u': cmd = "underline"; break;
		};

		if (cmd) {
			FormatText(rte, cmd, true);
			evt.preventDefault();
			evt.stopPropagation();
		}
 	}
}

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

	return newString;
}

function trim(inputString) {
   if (typeof inputString != "string") return inputString;
   var retValue = inputString;
   var ch = retValue.substring(0, 1);

   while (ch == " ") {
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);

   while (ch == " ") {
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) {
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length);
   }
   return retValue;
}

function popup(page,popupname,height,width) {
var topPosition = (screen.height - height) / 2;
var leftPosition = (screen.width - width) / 2;
var windowprops = "width=" + width + ",height=" + height + ",top=" + topPosition + ",left=" + leftPosition + ",location=no,menubar=no,toolbar=no,scrollbars=no,resizable=no,status=no";
newWindow = window.open(page,popupname,windowprops);
}