// ensure SESSIONURL exists
if (typeof(SESSIONURL) == "undefined")
{
	var SESSIONURL = "";
}

// ensure vbphrase exists
if (typeof(vbphrase) == "undefined")
{
	var vbphrase = new Array();
}

// Array of message editor objects
var vB_Editor = new Array();

// Ignore characters within [quote] tags in messages for length check
var ignorequotechars = false;

// Number of pagenav items dealt with so far
var pagenavcounter = 0;




/**
* This function runs (almost) at the end of script loading on most vBulletin pages
*
* It sets up things like image alt->title tags, turns on the popup menu system etc.
*
* @return	boolean
*/
function vBulletin_init()
{
	// don't bother doing any exciting stuff for WebTV
	if (is_webtv)
	{
		return false;
	}

	// set 'title' tags for image elements
	var imgs = fetch_tags(document, 'img');
	for (var i = 0; i < imgs.length; i++)
	{
		img_alt_2_title(imgs[i]);
	}

	// finalize popup menus
	if (typeof vBmenu == 'object')
	{
		// close all menus on document click
		if (window.attachEvent && !is_saf)
		{
			document.attachEvent('onclick', vbmenu_hide);
			window.attachEvent('onresize', vbmenu_hide);
		}
		else if (document.addEventListener && !is_saf)
		{
			document.addEventListener('click', vbmenu_hide, false);
			window.addEventListener('resize', vbmenu_hide, false);
		}
		else
		{
			window.onclick = vbmenu_hide;
			window.onresize = vbmenu_hide;
		}

		// add popups to pagenav elements
		var pagenavs = fetch_tags(document, 'td');
		for (var n = 0; n < pagenavs.length; n++)
		{
			if (pagenavs[n].hasChildNodes() && pagenavs[n].firstChild.name && pagenavs[n].firstChild.name.indexOf('PageNav') != -1)
			{
				var addr = pagenavs[n].title;
				pagenavs[n].title = '';
				pagenavs[n].innerHTML = '';
				pagenavs[n].id = 'pagenav.' + n;
				var pn = vBmenu.register(pagenavs[n].id);
				if (is_saf)
				{
					pn.controlobj._onclick = pn.controlobj.onclick;
					pn.controlobj.onclick = vBpagenav.prototype.controlobj_onclick;
				}
			}
		}

		// process the pagenavs popup form
		if (typeof addr != 'undefined')
		{
			fetch_object('pagenav_form').addr = addr;
			fetch_object('pagenav_form').gotopage = vBpagenav.prototype.form_gotopage;
			fetch_object('pagenav_ibtn').onclick = vBpagenav.prototype.ibtn_onclick;
			fetch_object('pagenav_itxt').onkeypress = vBpagenav.prototype.itxt_onkeypress;
		}

		// activate the menu system
		vBmenu.activate(true);
	}

	return true;
}

NcodeImageResizer.IMAGE_ID_BASE = 'ncode_imageresizer_container_';
NcodeImageResizer.WARNING_ID_BASE = 'ncode_imageresizer_warning_';

function NcodeImageResizer(id, img) {
	this.id = id;
	this.img = img;
	this.originalWidth = 0;
	this.originalHeight = 0;
	this.warning = null;
	this.warningTextNode = null;
	
	img.id = NcodeImageResizer.IMAGE_ID_BASE+id;
}

NcodeImageResizer.getNextId = function() {
	id = 1;
	while(document.getElementById(NcodeImageResizer.IMAGE_ID_BASE+id) != null) {
		id++;
	}
	return id;
}

NcodeImageResizer.createOn = function(img) {
	isRecovery = false; // if this is a recovery from QuickEdit, which only restores the HTML, not the OO structure
	if(img.id && img.id.indexOf(NcodeImageResizer.IMAGE_ID_BASE) == 0 && document.getElementById(NcodeImageResizer.WARNING_ID_BASE+img.id.substr(NcodeImageResizer.IMAGE_ID_BASE.length)) != null) {
		newid = img.id.substr(NcodeImageResizer.IMAGE_ID_BASE.length);
		resizer = new NcodeImageResizer(newid, img);
		isRecovery = true;
		resizer.restoreImage();
	} else {
		newid = NcodeImageResizer.getNextId();
		resizer = new NcodeImageResizer(id, img);
	}
	
	if (resizer.originalWidth == 0) resizer.originalWidth = img.width;
	if (resizer.originalHeight == 0) resizer.originalHeight = img.height;
	
	if((NcodeImageResizer.MAXWIDTH > 0 && resizer.originalWidth > NcodeImageResizer.MAXWIDTH) || (NcodeImageResizer.MAXHEIGHT > 0 && resizer.originalHeight > NcodeImageResizer.MAXHEIGHT)) {
		if(isRecovery) {
			resizer.reclaimWarning(warning);
		} else {
			resizer.createWarning();
		}
		resizer.scale();
	}
}

NcodeImageResizer.prototype.restoreImage = function() {
	newimg = document.createElement('IMG');
	newimg.src = this.img.src;
	this.img.width = newimg.width;
	this.img.height = newimg.height;
}

NcodeImageResizer.prototype.reclaimWarning = function() {
	warning = document.getElementById(NcodeImageResizer.WARNING_ID_BASE+newid);
	
	this.warning = warning;
	this.warningTextNode = warning.firstChild.firstChild.childNodes[1].firstChild;
	this.warning.resize = this;
	
	this.scale();
}

NcodeImageResizer.prototype.createWarning = function() {
	mtable = document.createElement('TABLE');
	mtbody = document.createElement('TBODY');
	mtr = document.createElement('TR');
	mtd1 = document.createElement('TD');
	mtd2 = document.createElement('TD');
	mimg = document.createElement('IMG');
	mtext = document.createTextNode('');
	
	mimg.src = 'images/star.gif';
	mimg.width = 12;
	mimg.height = 12;
	mimg.alt = '';
	mimg.border = 0;
	
	mtd1.width = 20;
	mtd1.className = 'td1';
	
	mtd2.unselectable = 'on';
	mtd2.className = 'td2';
	
	mtable.className = 'ncode_imageresizer_warning';
	mtable.textNode = mtext;
	mtable.resize = this;
	mtable.id = NcodeImageResizer.WARNING_ID_BASE+this.id;
	
	mtd1.appendChild(mimg);
	mtd2.appendChild(mtext);
	
	mtr.appendChild(mtd1);
	mtr.appendChild(mtd2);
	
	mtbody.appendChild(mtr);
	
	mtable.appendChild(mtbody);
	
	this.img.parentNode.insertBefore(mtable, this.img);
	
	this.warning = mtable;
	this.warningTextNode = mtext;
}

NcodeImageResizer.prototype.scale = function() {
	if(NcodeImageResizer.MAXWIDTH > 0 && this.originalWidth > NcodeImageResizer.MAXWIDTH) {
		resized = true;
		this.img.width = NcodeImageResizer.MAXWIDTH;
		this.img.height = (NcodeImageResizer.MAXWIDTH / this.originalWidth) * this.originalHeight;
	}
	if(NcodeImageResizer.MAXHEIGHT > 0 && this.originalHeight > NcodeImageResizer.MAXHEIGHT) {
		resized = true;
		this.img.height = NcodeImageResizer.MAXHEIGHT;
		this.img.width = (NcodeImageResizer.MAXHEIGHT / this.originalHeight) * this.originalWidth;
	}
	
	this.warning.width = this.img.width;
	this.warning.onclick = function() { return this.resize.unScale(); }
	
	if(this.img.width < 450) {
		this.warningTextNode.data = vbphrase['ncode_imageresizer_warning_small'];
	} else if(this.img.fileSize && this.img.fileSize > 0) {
		this.warningTextNode.data = vbphrase['ncode_imageresizer_warning_filesize'].replace('%1$s', this.originalWidth).replace('%2$s', this.originalHeight).replace('%3$s', Math.round(this.img.fileSize/1024));
		//mtext.data = '<phrase 1="'+this.originalWidth+'" 2="'+this.originalHeight+'" 3="'+Math.round(this.img.fileSize/1024)+'">$vbphrase[ncode_imageresizer_warning_filesize]</phrase>';
	} else {
		this.warningTextNode.data = vbphrase['ncode_imageresizer_warning_no_filesize'].replace('%1$s', this.originalWidth).replace('%2$s', this.originalHeight);
		//mtext.data = '<phrase 1="'+this.originalWidth+'" 2="'+this.originalHeight+'">$vbphrase[ncode_imageresizer_warning_no_filesize]</phrase>';
	}
	
	return false;
}

NcodeImageResizer.prototype.unScale = function() {
	switch(NcodeImageResizer.MODE) {
		case 'samewindow':
			window.open(this.img.src, '_self');
			break;
		case 'newwindow':
			window.open(this.img.src, '_blank');
			break;
		case 'enlarge':
		default:
			this.img.width = this.originalWidth;
			this.img.height = this.originalHeight;
			this.img.className = 'ncode_imageresizer_original';
			if(this.warning != null) {
				this.warningTextNode.data = vbphrase['ncode_imageresizer_warning_fullsize'];
				this.warning.width = this.img.width;
				this.warning.onclick = function() { return this.resize.scale() };
			}
			break;
	}
	
	return false;
}