/**
* phpBB3 forum functions
*/

/**
* Window popup
*/
function popup(url, width, height)
{
	window.open(url.replace(/&/g, '&'), '_popup', 'height=' + height + ',resizable=yes,scrollbars=yes, width=' + width);
	return false;
}

/**
* Jump to page
*/
function jumpto()
{
	var page = prompt(jump_page, on_page);

	if (page !== null && !isNaN(page) && page > 0)
	{
		document.location.href = base_url.replace(/&/g, '&') + '&start=' + ((page - 1) * per_page);
	}
}

/**
* Mark/unmark checklist
* id = ID of parent container, name = name prefix, state = state [true/false]
*/
function marklist(id, name, state)
{
	var parent = document.getElementById(id);
	if (!parent)
	{
		eval('parent = document.' + id);
	}

	if (!parent)
	{
		return;
	}

	var rb = parent.getElementsByTagName('input');
	
	for (var r = 0; r < rb.length; r++)
	{	
		if (rb[r].name.substr(0, name.length) == name)
		{
			rb[r].checked = state;
		}
	}
}

/**
* Resize viewable area for attached image or topic review panel (possibly others to come)
* e = element
*/
function viewableArea(e, itself)
{
	if (!e) return;
	if (!itself)
	{
		e = e.parentNode;
	}
	
	if (!e.vaHeight)
	{
		// Store viewable area height before changing style to auto
		e.vaHeight = e.offsetHeight;
		e.vaMaxHeight = e.style.maxHeight;
		e.style.height = 'auto';
		e.style.maxHeight = 'none';
		e.style.overflow = 'visible';
	}
	else
	{
		// Restore viewable area height to the default
		e.style.height = e.vaHeight + 'px';
		e.style.overflow = 'auto';
		e.style.maxHeight = e.vaMaxHeight;
		e.vaHeight = false;
	}
}

/**
* Set display of page element
* s[-1,0,1] = hide,toggle display,show
*/
function dE(n, s)
{
	var e = document.getElementById(n);

	if (!s)
	{
		s = (e.style.display == '' || e.style.display == 'block') ? -1 : 1;
	}
	e.style.display = (s == 1) ? 'block' : 'none';
}

/**
* Alternate display of subPanels
*/
function subPanels(p)
{
	var i, e, t;

	if (typeof(p) == 'string')
	{
		show_panel = p;
	}

	for (i = 0; i < panels.length; i++)
	{
		e = document.getElementById(panels[i]);
		t = document.getElementById(panels[i] + '-tab');

		if (e)
		{
			if (panels[i] == show_panel)
			{
				e.style.display = 'block';
				if (t)
				{
					t.className = 'activetab';
				}
			}
			else
			{
				e.style.display = 'none';
				if (t)
				{
					t.className = '';
				}
			}
		}
	}
}

/**
* Call print preview
*/
function printPage()
{
	if (is_ie)
	{
		printPreview();
	}
	else
	{
		window.print();
	}
}

/**
* Show/hide groups of blocks
* c = CSS style name
* e = checkbox element
* t = toggle dispay state (used to show 'grip-show' image in the profile block when hiding the profiles) 
*/
function displayBlocks(c, e, t)
{
	var s = (e.checked == true) ?  1 : -1;

	if (t)
	{
		s *= -1;
	}

	var divs = document.getElementsByTagName("DIV");

	for (var d = 0; d < divs.length; d++)
	{
		if (divs[d].className.indexOf(c) == 0)
		{
			divs[d].style.display = (s == 1) ? 'none' : 'block';
		}
	}
}

function selectCode(a)
{
	// Get ID of code block
	var e = a.parentNode.parentNode.getElementsByTagName('CODE')[0];

	// Not IE
	if (window.getSelection)
	{
		var s = window.getSelection();
		// Safari
		if (s.setBaseAndExtent)
		{
			s.setBaseAndExtent(e, 0, e, e.innerText.length - 1);
		}
		// Firefox and Opera
		else
		{
			var r = document.createRange();
			r.selectNodeContents(e);
			s.removeAllRanges();
			s.addRange(r);
		}
	}
	// Some older browsers
	else if (document.getSelection)
	{
		var s = document.getSelection();
		var r = document.createRange();
		r.selectNodeContents(e);
		s.removeAllRanges();
		s.addRange(r);
	}
	// IE
	else if (document.selection)
	{
		var r = document.body.createTextRange();
		r.moveToElementText(e);
		r.select();
	}
}

/**
* Play quicktime file by determining it's width/height
* from the displayed rectangle area
*/
function play_qt_file(obj)
{
	var rectangle = obj.GetRectangle();

	if (rectangle)
	{
		rectangle = rectangle.split(',');
		var x1 = parseInt(rectangle[0]);
		var x2 = parseInt(rectangle[2]);
		var y1 = parseInt(rectangle[1]);
		var y2 = parseInt(rectangle[3]);

		var width = (x1 < 0) ? (x1 * -1) + x2 : x2 - x1;
		var height = (y1 < 0) ? (y1 * -1) + y2 : y2 - y1;
	}
	else
	{
		var width = 200;
		var height = 0;
	}

	obj.width = width;
	obj.height = height + 16;

	obj.SetControllerVisible(true);
	obj.Play();
}

//Ajax Userinfo

var lockAnim;
lockAnim = false;

function show_popup(uID) {
	chOpac(0, 'popup', 'cbUsrInfo');
	if (!lockAnim) {
		lockAnim = true;
		opacAnim('popup', 0, 100, 500, 'cbUsrInfo');
	} 
	document.onmousemove = snapdiv;
	sendRequest(uID);
	document.getElementById('popup').style.display='block';
}
function close_popup() {
	if (!lockAnim) {
		lockAnim = true;
		opacAnim('popup', 100, 0, 500, 'cbUsrInfo');
	} else {
		document.getElementById('popup').style.display='none';
		setDefaults();
	}
}
function setDefaults() {
	document.getElementById('ajaxusername').innerHTML = '';
	document.getElementById('ajax_registert').innerHTML = '';
	document.getElementById('ajax_posts').innerHTML = '';
	document.getElementById('ajax_from').innerHTML = '';
	document.getElementById('ajax_last_visit').innerHTML = '';
	document.getElementById('ajaxavatar').src = "/forum/styles/propuffer/theme/images/spinner_loading.gif";
	document.getElementById('ajax_rank').innerHTML = '';
	document.getElementById('ajaxusername').style.color = '#000000';
	document.getElementById('ajax_website').innerHTML = '';
	document.onmousemove = '';
}

// Make the request	
function createRO() {var request=false;if(window.XMLHttpRequest&&!(window.ActiveXObject)){try{request=new XMLHttpRequest()}catch(e){request=false}}else if(window.ActiveXObject){try{request=new ActiveXObject("Msxml2.XMLHTTP")}catch(e){try{request=new ActiveXObject("Microsoft.XMLHTTP")}catch(e){request=false}}}return request}

var http_getuser = createRO();

function sendRequest(UserID) {
	http_getuser.open('get', '/forum/includes/ajax_userinfo.php?userid='+UserID);
	http_getuser.onreadystatechange = userinfoResponse;
	http_getuser.send(null);
}

// fill in the response
function userinfoResponse() {
	if(http_getuser.readyState == 4){
		var xmlDoc	= http_getuser.responseXML;
		document.getElementById('ajaxusername').innerHTML = xmlDoc.getElementsByTagName('username')[0].firstChild.nodeValue;
		document.getElementById('ajaxusername').style.color = '#' + xmlDoc.getElementsByTagName('colour')[0].firstChild.nodeValue;
		document.getElementById('ajax_registert').innerHTML = xmlDoc.getElementsByTagName('regdate')[0].firstChild.nodeValue;
		document.getElementById('ajax_posts').innerHTML = xmlDoc.getElementsByTagName('posts')[0].firstChild.nodeValue;
		document.getElementById('ajax_website').innerHTML = xmlDoc.getElementsByTagName('website')[0].firstChild.nodeValue;
		document.getElementById('ajax_from').innerHTML = xmlDoc.getElementsByTagName('from')[0].firstChild.nodeValue;
		document.getElementById('ajax_last_visit').innerHTML = xmlDoc.getElementsByTagName('lastvisit')[0].firstChild.nodeValue;
		document.getElementById('ajax_rank').innerHTML = xmlDoc.getElementsByTagName('rank')[0].firstChild.nodeValue;
		document.getElementById('ajaxavatar').src = xmlDoc.getElementsByTagName('avatar')[0].firstChild.nodeValue;
	}
}

function snapdiv(e) {		
   var docX, docY;
   if(e) {
	  if(typeof(e.pageX) == 'number') { docX = e.pageX; docY = e.pageY;}
	  else {docX = e.clientX; docY = e.clientY;}
   }
   else {
	  e = window.event;
	  docX = e.clientX; docY = e.clientY;
	  if(document.documentElement && (document.documentElement.scrollTop || document.documentElement.scrollLeft)) {
		 docX += document.documentElement.scrollLeft; docY += document.documentElement.scrollTop;
	  } 
	  else if(document.body && (document.body.scrollTop || document.body.scrollLeft)) {
		 docX += document.body.scrollLeft; docY += document.body.scrollTop;
	  }
   }
	if (docX > document.body.offsetWidth - 400) {
		document.getElementById('popup').style.left = (docX - 390) + "px";
	} else {document.getElementById('popup').style.left = (docX - 10) + "px";}
	document.getElementById('popup').style.top 	= (docY + 20) + "px";
}
// general TPF funcs
function opacAnim(id, opacStart, opacEnd, millisec, fnCallback) {
	var speed = Math.round(millisec / 100);
	var timer = 0; var i = 0;
	if (opacEnd>opacStart) {
		for (i = opacStart+1; i <= opacEnd; i=i+2) {
			i= (i==99)?100:i;
			setTimeout("chOpac(" + i + ",'" + id + "','" + fnCallback + "')",(timer * speed));
			timer++;
		}		
	} else {
		for (i = opacStart-1; i >= opacEnd; i--) {
			setTimeout("chOpac(" + i + ",'" + id + "','" + fnCallback + "')",(timer * speed));
			timer++;
		}
	}
}
function chOpac(opacity, id, fnCallback) {
	var object = document.getElementById(id).style;
	object.filter = "alpha(opacity:" + opacity + ")";
	object.opacity = object.MozOpacity = object.KhtmlOpacity = (opacity / 100);
	if ((opacity <= 0) || (opacity >= 100)) {
		if (fnCallback == 'cbUsrInfo') {
			lockAnim = false;
			if (opacity <= 0) {document.getElementById('popup').style.display='none';setDefaults();}
		} else if (fnCallback == 'bannerIsOut')  {
			if (opacity <= 0) {
				lockBanner = false;
				if (mustFadeIn) {setFadeIn();}
			} else if (opacity >= 100) {
				setTimeout('switchBanner()', 30000);
			}
		}
	}
}

// rotating ad banner
var http_banner = createRO();
var lockBanner, mustFadeIn;
var prel_banner = new Image();
lockBanner = mustFadeIn = false;
//setTimeout('switchBanner()', 30000);

function switchBanner() {
	if (http_banner){initBannerRequest();}
}	
function initBannerRequest() {
	http_banner.open('get', '/forum/banners/rotate.php?id='+curr_banner);
	http_banner.onreadystatechange = bannerResponse;
	http_banner.send(null);
}	
function bannerResponse() {
	if(http_banner.readyState == 4){
		var xmlDoc = http_banner.responseXML;
		lockBanner = true;
		opacAnim('banner', 100, 0, 500, 'bannerIsOut');
		document.getElementById('bannerlink').href = xmlDoc.getElementsByTagName('link')[0].firstChild.nodeValue;
		prel_banner.alt = xmlDoc.getElementsByTagName('desc')[0].firstChild.nodeValue;
		prel_banner.src = '/forum/banners/' + xmlDoc.getElementsByTagName('pic')[0].firstChild.nodeValue;
		curr_banner = xmlDoc.getElementsByTagName('id')[0].firstChild.nodeValue;
		prel_banner.onload = setFadeIn;
	}
}
var setFadeIn = function() {
	if (!lockBanner) {
		mustFadeIn = false;
		var bannImg = document.getElementById('banner');
		bannImg.src = prel_banner.src; bannImg.alt = prel_banner.alt;
		document.getElementById('bannerlink').title = prel_banner.alt;
		opacAnim('banner', 0, 100, 500, 'bannerIsOut');
	} else {
		mustFadeIn = true;
	}
}
function bannerVisit() {
	window.open(document.getElementById('bannerlink').href);
	return false;
}