Chris@76: var smf_formSubmitted = false;
Chris@76: 
Chris@76: // Define document.getElementById for Internet Explorer 4.
Chris@76: if (typeof(document.getElementById) == "undefined")
Chris@76: 	document.getElementById = function (id)
Chris@76: 	{
Chris@76: 		// Just return the corresponding index of all.
Chris@76: 		return document.all[id];
Chris@76: 	}
Chris@76: // Define XMLHttpRequest for IE 5 and above. (don't bother for IE 4 :/.... works in Opera 7.6 and Safari 1.2!)
Chris@76: else if (!window.XMLHttpRequest && window.ActiveXObject)
Chris@76: 	window.XMLHttpRequest = function ()
Chris@76: 	{
Chris@76: 		return new ActiveXObject(navigator.userAgent.indexOf("MSIE 5") != -1 ? "Microsoft.XMLHTTP" : "MSXML2.XMLHTTP");
Chris@76: 	};
Chris@76: 
Chris@76: // Some older versions of Mozilla don't have this, for some reason.
Chris@76: if (typeof(document.forms) == "undefined")
Chris@76: 	document.forms = document.getElementsByTagName("form");
Chris@76: 
Chris@76: // Load an XML document using XMLHttpRequest.
Chris@76: function getXMLDocument(url, callback)
Chris@76: {
Chris@76: 	if (!window.XMLHttpRequest)
Chris@76: 		return false;
Chris@76: 
Chris@76: 	var myDoc = new XMLHttpRequest();
Chris@76: 	if (typeof(callback) != "undefined")
Chris@76: 	{
Chris@76: 		myDoc.onreadystatechange = function ()
Chris@76: 		{
Chris@76: 			if (myDoc.readyState != 4)
Chris@76: 				return;
Chris@76: 
Chris@76: 			if (myDoc.responseXML != null && myDoc.status == 200)
Chris@76: 				callback(myDoc.responseXML);
Chris@76: 		};
Chris@76: 	}
Chris@76: 	myDoc.open('GET', url, true);
Chris@76: 	myDoc.send(null);
Chris@76: 
Chris@76: 	return true;
Chris@76: }
Chris@76: 
Chris@76: // Send a post form to the server using XMLHttpRequest.
Chris@76: function sendXMLDocument(url, content, callback)
Chris@76: {
Chris@76: 	if (!window.XMLHttpRequest)
Chris@76: 		return false;
Chris@76: 
Chris@76: 	var sendDoc = new window.XMLHttpRequest();
Chris@76: 	if (typeof(callback) != "undefined")
Chris@76: 	{
Chris@76: 		sendDoc.onreadystatechange = function ()
Chris@76: 		{
Chris@76: 			if (sendDoc.readyState != 4)
Chris@76: 				return;
Chris@76: 
Chris@76: 			if (sendDoc.responseXML != null && sendDoc.status == 200)
Chris@76: 				callback(sendDoc.responseXML);
Chris@76: 			else
Chris@76: 				callback(false);
Chris@76: 		};
Chris@76: 	}
Chris@76: 	sendDoc.open('POST', url, true);
Chris@76: 	if (typeof(sendDoc.setRequestHeader) != "undefined")
Chris@76: 		sendDoc.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
Chris@76: 	sendDoc.send(content);
Chris@76: 
Chris@76: 	return true;
Chris@76: }
Chris@76: 
Chris@76: function textToEntities(text)
Chris@76: {
Chris@76: 	var entities = "";
Chris@76: 	for (var i = 0; i < text.length; i++)
Chris@76: 	{
Chris@76: 		if (text.charCodeAt(i) > 127)
Chris@76: 			entities += "&#" + text.charCodeAt(i) + ";";
Chris@76: 		else
Chris@76: 			entities += text.charAt(i);
Chris@76: 	}
Chris@76: 
Chris@76: 	return entities;
Chris@76: }
Chris@76: 
Chris@76: // Open a new window.
Chris@76: function reqWin(desktopURL, alternateWidth, alternateHeight, noScrollbars)
Chris@76: {
Chris@76: 	if ((alternateWidth && self.screen.availWidth * 0.8 < alternateWidth) || (alternateHeight && self.screen.availHeight * 0.8 < alternateHeight))
Chris@76: 	{
Chris@76: 		noScrollbars = false;
Chris@76: 		alternateWidth = Math.min(alternateWidth, self.screen.availWidth * 0.8);
Chris@76: 		alternateHeight = Math.min(alternateHeight, self.screen.availHeight * 0.8);
Chris@76: 	}
Chris@76: 	else
Chris@76: 		noScrollbars = typeof(noScrollbars) != "undefined" && noScrollbars == true;
Chris@76: 
Chris@76: 	window.open(desktopURL, 'requested_popup', 'toolbar=no,location=no,status=no,menubar=no,scrollbars=' + (noScrollbars ? 'no' : 'yes') + ',width=' + (alternateWidth ? alternateWidth : 480) + ',height=' + (alternateHeight ? alternateHeight : 220) + ',resizable=no');
Chris@76: 
Chris@76: 	// Return false so the click won't follow the link ;).
Chris@76: 	return false;
Chris@76: }
Chris@76: 
Chris@76: // Remember the current position.
Chris@76: function storeCaret(text)
Chris@76: {
Chris@76: 	// Only bother if it will be useful.
Chris@76: 	if (typeof(text.createTextRange) != "undefined")
Chris@76: 		text.caretPos = document.selection.createRange().duplicate();
Chris@76: }
Chris@76: 
Chris@76: // Replaces the currently selected text with the passed text.
Chris@76: function replaceText(text, textarea)
Chris@76: {
Chris@76: 	// Attempt to create a text range (IE).
Chris@76: 	if (typeof(textarea.caretPos) != "undefined" && textarea.createTextRange)
Chris@76: 	{
Chris@76: 		var caretPos = textarea.caretPos;
Chris@76: 
Chris@76: 		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text;
Chris@76: 		caretPos.select();
Chris@76: 	}
Chris@76: 	// Mozilla text range replace.
Chris@76: 	else if (typeof(textarea.selectionStart) != "undefined")
Chris@76: 	{
Chris@76: 		var begin = textarea.value.substr(0, textarea.selectionStart);
Chris@76: 		var end = textarea.value.substr(textarea.selectionEnd);
Chris@76: 		var scrollPos = textarea.scrollTop;
Chris@76: 
Chris@76: 		textarea.value = begin + text + end;
Chris@76: 
Chris@76: 		if (textarea.setSelectionRange)
Chris@76: 		{
Chris@76: 			textarea.focus();
Chris@76: 			textarea.setSelectionRange(begin.length + text.length, begin.length + text.length);
Chris@76: 		}
Chris@76: 		textarea.scrollTop = scrollPos;
Chris@76: 	}
Chris@76: 	// Just put it on the end.
Chris@76: 	else
Chris@76: 	{
Chris@76: 		textarea.value += text;
Chris@76: 		textarea.focus(textarea.value.length - 1);
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: // Surrounds the selected text with text1 and text2.
Chris@76: function surroundText(text1, text2, textarea)
Chris@76: {
Chris@76: 	// Can a text range be created?
Chris@76: 	if (typeof(textarea.caretPos) != "undefined" && textarea.createTextRange)
Chris@76: 	{
Chris@76: 		var caretPos = textarea.caretPos, temp_length = caretPos.text.length;
Chris@76: 
Chris@76: 		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text1 + caretPos.text + text2 + ' ' : text1 + caretPos.text + text2;
Chris@76: 
Chris@76: 		if (temp_length == 0)
Chris@76: 		{
Chris@76: 			caretPos.moveStart("character", -text2.length);
Chris@76: 			caretPos.moveEnd("character", -text2.length);
Chris@76: 			caretPos.select();
Chris@76: 		}
Chris@76: 		else
Chris@76: 			textarea.focus(caretPos);
Chris@76: 	}
Chris@76: 	// Mozilla text range wrap.
Chris@76: 	else if (typeof(textarea.selectionStart) != "undefined")
Chris@76: 	{
Chris@76: 		var begin = textarea.value.substr(0, textarea.selectionStart);
Chris@76: 		var selection = textarea.value.substr(textarea.selectionStart, textarea.selectionEnd - textarea.selectionStart);
Chris@76: 		var end = textarea.value.substr(textarea.selectionEnd);
Chris@76: 		var newCursorPos = textarea.selectionStart;
Chris@76: 		var scrollPos = textarea.scrollTop;
Chris@76: 
Chris@76: 		textarea.value = begin + text1 + selection + text2 + end;
Chris@76: 
Chris@76: 		if (textarea.setSelectionRange)
Chris@76: 		{
Chris@76: 			if (selection.length == 0)
Chris@76: 				textarea.setSelectionRange(newCursorPos + text1.length, newCursorPos + text1.length);
Chris@76: 			else
Chris@76: 				textarea.setSelectionRange(newCursorPos, newCursorPos + text1.length + selection.length + text2.length);
Chris@76: 			textarea.focus();
Chris@76: 		}
Chris@76: 		textarea.scrollTop = scrollPos;
Chris@76: 	}
Chris@76: 	// Just put them on the end, then.
Chris@76: 	else
Chris@76: 	{
Chris@76: 		textarea.value += text1 + text2;
Chris@76: 		textarea.focus(textarea.value.length - 1);
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: // Checks if the passed input's value is nothing.
Chris@76: function isEmptyText(theField)
Chris@76: {
Chris@76: 	// Copy the value so changes can be made..
Chris@76: 	var theValue = theField.value;
Chris@76: 
Chris@76: 	// Strip whitespace off the left side.
Chris@76: 	while (theValue.length > 0 && (theValue.charAt(0) == ' ' || theValue.charAt(0) == '\t'))
Chris@76: 		theValue = theValue.substring(1, theValue.length);
Chris@76: 	// Strip whitespace off the right side.
Chris@76: 	while (theValue.length > 0 && (theValue.charAt(theValue.length - 1) == ' ' || theValue.charAt(theValue.length - 1) == '\t'))
Chris@76: 		theValue = theValue.substring(0, theValue.length - 1);
Chris@76: 
Chris@76: 	if (theValue == '')
Chris@76: 		return true;
Chris@76: 	else
Chris@76: 		return false;
Chris@76: }
Chris@76: 
Chris@76: // Only allow form submission ONCE.
Chris@76: function submitonce(theform)
Chris@76: {
Chris@76: 	smf_formSubmitted = true;
Chris@76: }
Chris@76: function submitThisOnce(form)
Chris@76: {
Chris@76: 	// Hateful, hateful fix for Safari 1.3 beta.
Chris@76: 	if (navigator.userAgent.indexOf('AppleWebKit') != -1)
Chris@76: 		return !smf_formSubmitted;
Chris@76: 
Chris@76: 	if (typeof(form.form) != "undefined")
Chris@76: 		form = form.form;
Chris@76: 
Chris@76: 	for (var i = 0; i < form.length; i++)
Chris@76: 		if (typeof(form[i]) != "undefined" && form[i].tagName.toLowerCase() == "textarea")
Chris@76: 			form[i].readOnly = true;
Chris@76: 
Chris@76: 	return !smf_formSubmitted;
Chris@76: }
Chris@76: 
Chris@76: // Set the "inside" HTML of an element.
Chris@76: function setInnerHTML(element, toValue)
Chris@76: {
Chris@76: 	// IE has this built in...
Chris@76: 	if (typeof(element.innerHTML) != 'undefined')
Chris@76: 		element.innerHTML = toValue;
Chris@76: 	// Otherwise, try createContextualFragment().
Chris@76: 	else
Chris@76: 	{
Chris@76: 		var range = document.createRange();
Chris@76: 		range.selectNodeContents(element);
Chris@76: 		range.deleteContents();
Chris@76: 		element.appendChild(range.createContextualFragment(toValue));
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: // Set the "outer" HTML of an element.
Chris@76: function setOuterHTML(element, toValue)
Chris@76: {
Chris@76: 	if (typeof(element.outerHTML) != 'undefined')
Chris@76: 		element.outerHTML = toValue;
Chris@76: 	else
Chris@76: 	{
Chris@76: 		var range = document.createRange();
Chris@76: 		range.setStartBefore(element);
Chris@76: 		element.parentNode.replaceChild(range.createContextualFragment(toValue), element);
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: // Get the inner HTML of an element.
Chris@76: function getInnerHTML(element)
Chris@76: {
Chris@76: 	if (typeof(element.innerHTML) != 'undefined')
Chris@76: 		return element.innerHTML;
Chris@76: 	else
Chris@76: 	{
Chris@76: 		var returnStr = '';
Chris@76: 		for (var i = 0; i < element.childNodes.length; i++)
Chris@76: 			returnStr += getOuterHTML(element.childNodes[i]);
Chris@76: 
Chris@76: 		return returnStr;
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: function getOuterHTML(node)
Chris@76: {
Chris@76: 	if (typeof(node.outerHTML) != 'undefined')
Chris@76: 		return node.outerHTML;
Chris@76: 
Chris@76: 	var str = '';
Chris@76: 
Chris@76: 	switch (node.nodeType)
Chris@76: 	{
Chris@76: 	// An element.
Chris@76: 	case 1:
Chris@76: 		str += '<' + node.nodeName;
Chris@76: 
Chris@76: 		for (var i = 0; i < node.attributes.length; i++)
Chris@76: 		{
Chris@76: 			if (node.attributes[i].nodeValue != null)
Chris@76: 				str += ' ' + node.attributes[i].nodeName + '="' + node.attributes[i].nodeValue + '"';
Chris@76: 		}
Chris@76: 
Chris@76: 		if (node.childNodes.length == 0 && in_array(node.nodeName.toLowerCase(), ['hr', 'input', 'img', 'link', 'meta', 'br']))
Chris@76: 			str += ' />';
Chris@76: 		else
Chris@76: 			str += '>' + getInnerHTML(node) + '</' + node.nodeName + '>';
Chris@76: 		break;
Chris@76: 
Chris@76: 	// 2 is an attribute.
Chris@76: 
Chris@76: 	// Just some text..
Chris@76: 	case 3:
Chris@76: 		str += node.nodeValue;
Chris@76: 		break;
Chris@76: 
Chris@76: 	// A CDATA section.
Chris@76: 	case 4:
Chris@76: 		str += '<![CDATA' + '[' + node.nodeValue + ']' + ']>';
Chris@76: 		break;
Chris@76: 
Chris@76: 	// Entity reference..
Chris@76: 	case 5:
Chris@76: 		str += '&' + node.nodeName + ';';
Chris@76: 		break;
Chris@76: 
Chris@76: 	// 6 is an actual entity, 7 is a PI.
Chris@76: 
Chris@76: 	// Comment.
Chris@76: 	case 8:
Chris@76: 		str += '<!--' + node.nodeValue + '-->';
Chris@76: 		break;
Chris@76: 	}
Chris@76: 
Chris@76: 	return str;
Chris@76: }
Chris@76: 
Chris@76: // Checks for variable in theArray.
Chris@76: function in_array(variable, theArray)
Chris@76: {
Chris@76: 	for (var i = 0; i < theArray.length; i++)
Chris@76: 	{
Chris@76: 		if (theArray[i] == variable)
Chris@76: 			return true;
Chris@76: 	}
Chris@76: 	return false;
Chris@76: }
Chris@76: 
Chris@76: // Find a specific radio button in its group and select it.
Chris@76: function selectRadioByName(radioGroup, name)
Chris@76: {
Chris@76: 	if (typeof(radioGroup.length) == "undefined")
Chris@76: 		return radioGroup.checked = true;
Chris@76: 
Chris@76: 	for (var i = 0; i < radioGroup.length; i++)
Chris@76: 	{
Chris@76: 		if (radioGroup[i].value == name)
Chris@76: 			return radioGroup[i].checked = true;
Chris@76: 	}
Chris@76: 
Chris@76: 	return false;
Chris@76: }
Chris@76: 
Chris@76: // Invert all checkboxes at once by clicking a single checkbox.
Chris@76: function invertAll(headerfield, checkform, mask)
Chris@76: {
Chris@76: 	for (var i = 0; i < checkform.length; i++)
Chris@76: 	{
Chris@76: 		if (typeof(checkform[i].name) == "undefined" || (typeof(mask) != "undefined" && checkform[i].name.substr(0, mask.length) != mask))
Chris@76: 			continue;
Chris@76: 
Chris@76: 		if (!checkform[i].disabled)
Chris@76: 			checkform[i].checked = headerfield.checked;
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: // Keep the session alive - always!
Chris@76: var lastKeepAliveCheck = new Date().getTime();
Chris@76: function smf_sessionKeepAlive()
Chris@76: {
Chris@76: 	var curTime = new Date().getTime();
Chris@76: 
Chris@76: 	// Prevent a Firefox bug from hammering the server.
Chris@76: 	if (smf_scripturl && curTime - lastKeepAliveCheck > 900000)
Chris@76: 	{
Chris@76: 		var tempImage = new Image();
Chris@76: 		tempImage.src = smf_scripturl + (smf_scripturl.indexOf("?") == -1 ? "?" : "&") + "action=keepalive;" + curTime;
Chris@76: 		lastKeepAliveCheck = curTime;
Chris@76: 	}
Chris@76: 
Chris@76: 	window.setTimeout("smf_sessionKeepAlive();", 1200000);
Chris@76: }
Chris@76: window.setTimeout("smf_sessionKeepAlive();", 1200000);
Chris@76: 
Chris@76: // Set a theme option through javascript.
Chris@76: function smf_setThemeOption(option, value, theme, cur_session_id)
Chris@76: {
Chris@76: 	// Compatibility.
Chris@76: 	if (cur_session_id == null)
Chris@76: 		cur_session_id = smf_session_id;
Chris@76: 
Chris@76: 	var tempImage = new Image();
Chris@76: 	tempImage.src = smf_scripturl + (smf_scripturl.indexOf("?") == -1 ? "?" : "&") + "action=jsoption;var=" + option + ";val=" + value + ";sesc=" + cur_session_id + (theme == null ? "" : "&id=" + theme) + ";" + (new Date().getTime());
Chris@76: }
Chris@76: 
Chris@76: function smf_avatarResize()
Chris@76: {
Chris@76: 	var possibleAvatars = document.getElementsByTagName ? document.getElementsByTagName("img") : document.all.tags("img");
Chris@76: 
Chris@76: 	for (var i = 0; i < possibleAvatars.length; i++)
Chris@76: 	{
Chris@76: 		if (possibleAvatars[i].className != "avatar")
Chris@76: 			continue;
Chris@76: 
Chris@76: 		var tempAvatar = new Image();
Chris@76: 		tempAvatar.src = possibleAvatars[i].src;
Chris@76: 
Chris@76: 		if (smf_avatarMaxWidth != 0 && tempAvatar.width > smf_avatarMaxWidth)
Chris@76: 		{
Chris@76: 			possibleAvatars[i].height = (smf_avatarMaxWidth * tempAvatar.height) / tempAvatar.width;
Chris@76: 			possibleAvatars[i].width = smf_avatarMaxWidth;
Chris@76: 		}
Chris@76: 		else if (smf_avatarMaxHeight != 0 && tempAvatar.height > smf_avatarMaxHeight)
Chris@76: 		{
Chris@76: 			possibleAvatars[i].width = (smf_avatarMaxHeight * tempAvatar.width) / tempAvatar.height;
Chris@76: 			possibleAvatars[i].height = smf_avatarMaxHeight;
Chris@76: 		}
Chris@76: 		else
Chris@76: 		{
Chris@76: 			possibleAvatars[i].width = tempAvatar.width;
Chris@76: 			possibleAvatars[i].height = tempAvatar.height;
Chris@76: 		}
Chris@76: 	}
Chris@76: 
Chris@76: 	if (typeof(window_oldAvatarOnload) != "undefined" && window_oldAvatarOnload)
Chris@76: 	{
Chris@76: 		window_oldAvatarOnload();
Chris@76: 		window_oldAvatarOnload = null;
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: function hashLoginPassword(doForm, cur_session_id)
Chris@76: {
Chris@76: 	// Compatibility.
Chris@76: 	if (cur_session_id == null)
Chris@76: 		cur_session_id = smf_session_id;
Chris@76: 
Chris@76: 	if (typeof(hex_sha1) == "undefined")
Chris@76: 		return;
Chris@76: 	// Are they using an email address?
Chris@76: 	if (doForm.user.value.indexOf("@") != -1)
Chris@76: 		return;
Chris@76: 
Chris@76: 	// Unless the browser is Opera, the password will not save properly.
Chris@76: 	if (typeof(window.opera) == "undefined")
Chris@76: 		doForm.passwrd.autocomplete = "off";
Chris@76: 
Chris@76: 	doForm.hash_passwrd.value = hex_sha1(hex_sha1(doForm.user.value.php_to8bit().php_strtolower() + doForm.passwrd.value.php_to8bit()) + cur_session_id);
Chris@76: 
Chris@76: 	// It looks nicer to fill it with asterisks, but Firefox will try to save that.
Chris@76: 	if (navigator.userAgent.indexOf("Firefox/") != -1)
Chris@76: 		doForm.passwrd.value = "";
Chris@76: 	else
Chris@76: 		doForm.passwrd.value = doForm.passwrd.value.replace(/./g, "*");
Chris@76: }
Chris@76: 
Chris@76: function hashAdminPassword(doForm, username, cur_session_id)
Chris@76: {
Chris@76: 	// Compatibility.
Chris@76: 	if (cur_session_id == null)
Chris@76: 		cur_session_id = smf_session_id;
Chris@76: 
Chris@76: 	if (typeof(hex_sha1) == "undefined")
Chris@76: 		return;
Chris@76: 
Chris@76: 	doForm.admin_hash_pass.value = hex_sha1(hex_sha1(username.toLowerCase() + doForm.admin_pass.value) + cur_session_id);
Chris@76: 	doForm.admin_pass.value = doForm.admin_pass.value.replace(/./g, "*");
Chris@76: }
Chris@76: 
Chris@76: function ajax_indicator(turn_on)
Chris@76: {
Chris@76: 	var indicator = document.getElementById("ajax_in_progress");
Chris@76: 	if (indicator != null)
Chris@76: 	{
Chris@76: 		if (navigator.appName == "Microsoft Internet Explorer" && navigator.userAgent.indexOf("MSIE 7") == -1)
Chris@76: 		{
Chris@76: 			indicator.style.top = document.documentElement.scrollTop;
Chris@76: 		}
Chris@76: 		indicator.style.display = turn_on ? "block" : "none";
Chris@76: 	}
Chris@76: }