function GetElementById(id){
	if (document.getElementById) {
		return (document.getElementById(id));
	} else if (document.all) {
		return (document.all[id]);
	} else {
		if ((navigator.appname.indexOf("Netscape") != -1) && parseInt(navigator.appversion == 4)) {
			return (document.layers[id]);
		}
	}
}

function xoopsSetElementProp(name, prop, val) {
	var elt=GetElementById(name);
	if (elt) elt[prop]=val;
}

function xoopsSetElementStyle(name, prop, val) {
	var elt=GetElementById(name);
	if (elt && elt.style) elt.style[prop]=val;
}

function xoopsGetFormElement(fname, ctlname) {
	var frm=document.forms[fname];
	return frm?frm.elements[ctlname]:null;
}

function justReturn() {
	return;
}

function openWithSelfMain(url,name,width,height,returnwindow) {
	var options = "width=" + width + ",height=" + height + ",toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no";

	var new_window = window.open(url, name, options);
	window.self.name = "main";
	new_window.focus();
	if (returnwindow != null) {
	   return new_window;
	}
}

function setElementColor(id, color){
	GetElementById(id).style.color = "#" + color;
}

function setElementFont(id, font){
	GetElementById(id).style.fontFamily = font;
}

function setElementSize(id, size){
	GetElementById(id).style.fontSize = size;
}

function changeDisplay(id){
	var elestyle = GetElementById(id).style;
	if (elestyle.display == "") {
		elestyle.display = "none";
	} else {
		elestyle.display = "block";
	}
}

function setVisible(id){
	GetElementById(id).style.visibility = "visible";
}

function setHidden(id){
	GetElementById(id).style.visibility = "hidden";
}

function makeBold(id){
	var eleStyle = GetElementById(id).style;
	if (eleStyle.fontWeight != "bold" && eleStyle.fontWeight != "700") {
		eleStyle.fontWeight = "bold";
	} else {
		eleStyle.fontWeight = "normal";
	}
}

function makeItalic(id){
	var eleStyle = GetElementById(id).style;
	if (eleStyle.fontStyle != "italic") {
		eleStyle.fontStyle = "italic";
	} else {
		eleStyle.fontStyle = "normal";
	}
}

function makeUnderline(id){
	var eleStyle = GetElementById(id).style;
	if (eleStyle.textDecoration != "underline") {
		eleStyle.textDecoration = "underline";
	} else {
		eleStyle.textDecoration = "none";
	}
}

function makeLineThrough(id){
	var eleStyle = GetElementById(id).style;
	if (eleStyle.textDecoration != "line-through") {
		eleStyle.textDecoration = "line-through";
	} else {
		eleStyle.textDecoration = "none";
	}
}

function appendSelectOption(selectMenuId, optionName, optionValue){
	var selectMenu = GetElementById(selectMenuId);
	var newoption = new Option(optionName, optionValue);
	selectMenu.options[selectMenu.length] = newoption;
	selectMenu.options[selectMenu.length].selected = true;
}

function disableElement(target){
	var targetDom = GetElementById(target);
	if (targetDom.disabled != true) {
		targetDom.disabled = true;
	} else {
		targetDom.disabled = false;
	}
}
function xoopsCheckAll(formname, switchid) {
	var ele = document.forms[formname].elements;
	var switch_cbox = GetElementById(switchid);
	for (var i = 0; i < ele.length; i++) {
		var e = ele[i];
		if ( (e.name != switch_cbox.name) && (e.type == 'checkbox') ) {
			e.checked = switch_cbox.checked;
		}
	}
}

function xoopsCheckGroup(formname, switchid, groupid) {
	var ele = document.forms[formname].elements;
	var switch_cbox = GetElementById(switchid);
	for (var i = 0; i < ele.length; i++) {
		var e = ele[i];
		if ( (e.type == 'checkbox') && (e.id == groupid) ) {
			e.checked = switch_cbox.checked;
			e.click(); e.click();  // Click to activate subgroups
									// Twice so we don't reverse effect
		}
	}
}

function xoopsCheckAllElements(elementIds, switchId) {
	var switch_cbox = GetElementById(switchId);
	for (var i = 0; i < elementIds.length; i++) {
		var e = GetElementById(elementIds[i]);
		if ((e.name != switch_cbox.name) && (e.type == 'checkbox')) {
			e.checked = switch_cbox.checked;
		}
	}
}

function xoopsSavePosition(id)
{
	var textareaDom = GetElementById(id);
	if (textareaDom.createTextRange) {
		textareaDom.caretPos = document.selection.createRange().duplicate();
	}
}

function xoopsInsertText(domobj, text)
{
	if (domobj.createTextRange && domobj.caretPos){
  		var caretPos = domobj.caretPos;
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) 
== ' ' ? text + ' ' : text;  
	} else if (domobj.getSelection && domobj.caretPos){
		var caretPos = domobj.caretPos;
		caretPos.text = caretPos.text.charat(caretPos.text.length - 1)  
== ' ' ? text + ' ' : text;
	} else {
		domobj.value = domobj.value + text;
  	}
}

function xoopsCodeSmilie(id, smilieCode) {
	var revisedMessage;
	var textareaDom = GetElementById(id);
	xoopsInsertText(textareaDom, smilieCode);
	textareaDom.focus();
	return;
}

function showImgSelected(imgId, selectId, imgDir, extra, xoopsUrl) {
	if (xoopsUrl == null) {
		xoopsUrl = "./";
	}
	imgDom = GetElementById(imgId);
	selectDom = GetElementById(selectId);
	imgDom.src = xoopsUrl + "/"+ imgDir + "/" + selectDom.options[selectDom.selectedIndex].value + extra;
}

function xoopsCodeUrl(id, lixo, lixo1){
	if (enterUrlPhrase == null) {
		enterUrlPhrase = "Insira o atalho a adicionar:";
	}
	var text = prompt(enterUrlPhrase, "");
	var domobj = GetElementById(id);
	if ( text != null && text != "" ) {
		if (enterWebsitePhrase == null) {
			enterWebsitePhrase = "Insira o titulo do atalho:";
		}
		var text2 = prompt(enterWebsitePhrase, "");
		if ( text2 != null ) {
			if ( text2 == "" ) {
				var result = "<a href=" + text + "]" + text + "</a>";
			} else {
				var pos = text2.indexOf(unescape('%00'));
				if(0 < pos){
					text2 = text2.substr(0,pos);
				}
				var result = "<a href='" + text + "' >" + text2 + "</a>";
			}
			xoopsInsertText(domobj, result);
		}
	}
	domobj.focus();
}

function xoopsCodeImg(id){
	if (enterImgUrlPhrase == null) {
		enterImgUrlPhrase = "Insira o endereço da imagem no formato http://";
	}
	var text = prompt(enterImgUrlPhrase, "");
	var domobj = GetElementById(id);
	if ( text != null && text != "" ) {
		if (enterImgPosPhrase == null) {
			enterImgPosPhrase = "Insira a posição em que deseja a imagem.";
		}
		if (imgPosRorLPhrase == null) {
			imgPosRorLPhrase = "'R' ou 'r' Para direita, 'L' ou 'l' para esquerda, ou deixe em branco.";
		}
		if (errorImgPosPhrase == null) {
			errorImgPosPhrase = "ERRO! Insira uma posição correcta:";
		}
		var text2 = prompt(enterImgPosPhrase + "\n" + imgPosRorLPhrase, "");
		while ( ( text2 != "" ) && ( text2 != "r" ) && ( text2 != "R" ) && ( text2 != "l" ) && ( text2 != "L" ) && ( text2 != null ) ) {
			text2 = prompt(errorImgPosPhrase + "\n" + imgPosRorLPhrase,"");
		}
		if ( text2 == "E" || text2 == "e" ) {
			text2 = " align=left";
		} else if ( text2 == "d" || text2 == "D" ) {
			text2 = " align=right";
		} else {
			text2 = "";
		}
		var result = "<img "+text2+" src='"+text+"' >";
		xoopsInsertText(domobj, result);
	}
	domobj.focus();
}

function xoopsCodewmv(id){
	var text = prompt("Indique o endereço online onde se encontra o Movie:", "");
	var domobj = GetElementById(id);
	if ( text != null && text != "" ) {
		var result = "[wmv]" + text + "[/wmv]";
		xoopsInsertText(domobj, result);
	}
	domobj.focus();
}

function xoopsCodeEmail(id, lx){
	if (enterEmailPhrase == null) {
		enterEmailPhrase = "Insira o endereço de email a adicionar:";
	}
	var text = prompt(enterEmailPhrase, "");
	var domobj = GetElementById(id);
	if ( text != null && text != "" ) {
		var result = "<a href='mailto:"+ text +"' >"+text+"</a>";
		xoopsInsertText(domobj, result);
	}
	domobj.focus();
}

function xoopsCodeQuote(id, lfd){
	if (enterQuotePhrase == null) {
		enterQuotePhrase = "Insira o texto que deseja ver comentado:";
	}
	var text = prompt(enterQuotePhrase, "");
	var domobj = GetElementById(id);
	if ( text != null && text != "" ) {
		var pos = text.indexOf(unescape('%00'));
		if(0 < pos){
			text = text.substr(0,pos);
		}
		var result = "´´" + text + "´´";
		xoopsInsertText(domobj, result);
	}
	domobj.focus();
}

function xoopsCodeCode(id, enterCodePhrase){
	if (enterCodePhrase == null) {
		enterCodePhrase = "Enter the codes that you want to add.";
	}
	var text = prompt(enterCodePhrase, "");
	var domobj = GetElementById(id);
	if ( text != null && text != "" ) {
		var result = "[code]" + text + "[/code]";
		xoopsInsertText(domobj, result);
	}
	domobj.focus();
}

function xoopsCodeText(id, hiddentext, enterTextboxPhrase){
	var textareaDom = GetElementById(id);
	var textDom = GetElementById(id + "Addtext");
	var fontDom = GetElementById(id + "Font");
	var colorDom = GetElementById(id + "Color");
	var sizeDom = GetElementById(id + "Size");
	var xoopsHiddenTextDomStyle = GetElementById(hiddentext).style;
//alert(GetElementById(hiddentext).style);
	var textDomValue = textDom.value;
	var fontDomValue = fontDom.options[fontDom.options.selectedIndex].value;
	var colorDomValue = colorDom.options[colorDom.options.selectedIndex].value;
	var sizeDomValue = sizeDom.options[sizeDom.options.selectedIndex].value;
	if ( textDomValue == "" ) {
		if (enterTextboxPhrase == null) {
			enterTextboxPhrase = "Insira texto para formatar.";
		}
		alert(enterTextboxPhrase);
		textDom.focus();
	} else {
		var txt = textDomValue;
		textDomValue = "<div style=\"" ;
		if ( fontDomValue != "FONT") {
			textDomValue += "font-family:"+ fontDomValue+";";
			fontDom.options[0].selected = true;
		}
		if ( colorDomValue != "COLOR") {
			textDomValue +="color:"+colorDomValue + ";";
			colorDom.options[0].selected = true;
		}
		if ( sizeDomValue != "SIZE") {
			textDomValue += "font-size:"+sizeDomValue +";";
			sizeDom.options[0].selected = true;
		}
		textDomValue=textDomValue+ "\">" + txt + "</div>";
		if (xoopsHiddenTextDomStyle.fontWeight == "bold" || xoopsHiddenTextDomStyle.fontWeight == "700") {
			textDomValue = "<b>" + textDomValue + "</b>";
			xoopsHiddenTextDomStyle.fontWeight = "normal";
		}
		if (xoopsHiddenTextDomStyle.fontStyle == "italic") {
			textDomValue = "<i>" + textDomValue + "</i>";
			xoopsHiddenTextDomStyle.fontStyle = "normal";
		}
		if (xoopsHiddenTextDomStyle.textDecoration == "underline") {
			textDomValue = "<u>" + textDomValue + "</u>";
			xoopsHiddenTextDomStyle.textDecoration = "none";
		}
		if (xoopsHiddenTextDomStyle.textDecoration == "line-through") {
			textDomValue = "<d>" + textDomValue + "</d>";
			xoopsHiddenTextDomStyle.textDecoration = "none";
		}
		xoopsInsertText(textareaDom, textDomValue);
		textDom.value = "";
		xoopsHiddenTextDomStyle.color = "#000000";
		xoopsHiddenTextDomStyle.fontFamily = "";
		xoopsHiddenTextDomStyle.fontSize = "12px";
		xoopsHiddenTextDomStyle.visibility = "hidden";
		textareaDom.focus();
	}
}

function xoopsValidate(subjectId, textareaId, submitId, plzCompletePhrase, msgTooLongPhrase, allowedCharPhrase, currCharPhrase) {
	var maxchars = 65535;
	var subjectDom = GetElementById(subjectId);
	var textareaDom = GetElementById(textareaId);
	var submitDom = GetElementById(submitId);
	if (textareaDom.value == "" || subjectDom.value == "") {
		if (plzCompletePhrase == null) {
			plzCompletePhrase = "Please complete the subject and message fields.";
		}
		alert(plzCompletePhrase);
		return false;
	}
	if (maxchars != 0) {
		if (textareaDom.value.length > maxchars) {
			if (msgTooLongPhrase == null) {
				msgTooLongPhrase = "Your message is too long.";
			}
			if (allowedCharPhrase == null) {
				allowedCharPhrase = "Allowed max chars length: ";
			}
			if (currCharPhrase == null) {
				currCharPhrase = "Current chars length: ";
			}
			alert(msgTooLongPhrase + "\n\n" + allowedCharPhrase + maxchars + "\n" + currCharPhrase + textareaDom.value.length + "");
			textareaDom.focus();
			return false;
		} else {
			submitDom.disabled = true;
			return true;
		}
	} else {
		submitDom.disabled = true;
		return true;
	}
}