// update this variable if new extensions are added
var domainChoices = new Array("com", "net", "org", "info", "name", "us", "biz");

// this function is the one that you will call to trigger a domain search
// the argument should be the absolute path to the domain results page
// example: onClick="domainSearch('/domain_results')"
function domainSearch(url, searchBox, extensionBox){
	searchBox = typeof(searchBox) != 'undefined' ? searchBox : "domainSearchBox";
	extensionBox = typeof(extensionBox) != 'undefined' ? extensionBox : "domainSearchExtension";
	curpage = document.location.href;
	if(curpage.indexOf(url) == -1) document.location=url+"#"+$("#" + searchBox).val()+"."+$("#" + extensionBox).val();
	else doDomainSearch($("#" + searchBox).val()+"."+$("#" + extensionBox).val());

}
$(document).ready(function(){
	$("#domainResults").parent().submit(function () { return false; });
	// create some hidden DIV's we'll need later
	doCreateDomainSearchDivs();
	// if there is a domain in the URL (example: /domain_search#test.com) then start the search immediately
	if(window.location.hash) {
		hashstring = window.location.hash.substring(1);
		hashsplit = hashstring.split(".");
		if(hashsplit.length == 2) doDomainSearch(hashstring);
	}
});

function doDomainSearch(domain) {
	// this automatically does the "blanket" when ajax calls are running
	$("body").ajaxStart(function () {
		$.blockUI({ message: $('#question')});
		$("li", "#waitingmessage").show();
		$("#waitingmessage").newsTicker();
	});
	$("body").ajaxComplete(function () {
		$.unblockUI();
		$("#waitingmessage").newsTicker();
	});

    domainArray = domain.split(".");
	if(domainArray.length != 2) {
		alert("Invalid domain name, please try a new search.");
		return;
    }

    domainValid = validDomain(domain);
    if ( domainValid != 'ok' ){
        alert(domainValid);
        return;
    }
    
	$("#domainSearchBox").val(domainArray[0]);
	$("#domainSearchExtension").val(domainArray[1]);
	$.ajaxSetup({ timeout: 60000, caching: false });
	$.get("/plugins/domainsearch.php", { domain: domain },
	  function(data){
		data = jQuery.trim(data);
		// empty out the Domain Results box
		$("#domainResults").html("");
		// and the Selected Domain Result box
		$("#selectedDomainResult").html("");
		resultArray = data.split(",");
 		if(data != "") $.each(resultArray, function(key, value) {
			if(value == domain) {
				// the requested domain is available
				$("#selectedDomainResult").append("<input class=\"domainCheckBox\" type=\"checkbox\" checked=\"checked\" value=\""+ value +"\">" + value + " is <span style=\"color: green; font-weight: bold;\">available!</span></input><br />")
			} else {
				// alternate domains are available
				$("#domainResults").append("<div class=\"domainresults\"><input class=\"domainCheckBox\" type=\"checkbox\" value=\""+ value +"\">" + value + " is available!</input></div>")
			}
		});
		$.each(domainChoices, function(key, value){
			domainToCheck = domainArray[0] + "." + value;
			if(jQuery.inArray(domainToCheck, resultArray) == -1) {
				if(domainToCheck == domain) {
					$("#selectedDomainResult").append("<input type=\"checkbox\" disabled=\"disabled\">" + domainToCheck + " is not available.</input><br />");
				} else {
					$("#domainResults").append("<div class=\"domainresults\"><input type=\"checkbox\" disabled=\"disabled\">" + domainToCheck + " is not available.</input></div>");
				}
			}
		});
	  });
}

function validDomain(domain){
    domainMessage = 'ok';
    regex = /-{2}/;
    var dotIndex = domain.lastIndexOf(".");
    var dname = domain.substring(0,dotIndex);
    var ext = domain.substring(dotIndex,domain.length);

    if ( dotIndex > 2 && dotIndex < 57 ){
        for ( var j = 0; j < dname.length; j++){
            var dh = dname.charAt(j);
            var hh = dh.charCodeAt(0);
            if ((hh > 47 && hh < 59) || (hh > 64 && hh < 91) || (hh > 96 && hh < 123) || hh == 45 || hh == 46){
                if ((j == 0 || j == dname.length-1) && hh == 45){
                    domainMessage = "The domain cannot begin or end with a hyphen '-'";
                }
            }
            else {
                domainMessage = 'The domain cannot have special characters';
            }
        }
    }
    else {
        domainMessage = 'The domain must be between 3-63 characters in length.';
    }

    if ( dname.match(regex) ){
        domainMessage = "The domain cannot have multiple hyphens in a row '--'";
    }

   return  domainMessage;
}

function doCreateDomainSearchDivs() {
	$("body").append('\
	<div id="question" style="display:none; cursor: default; text-align: center;" align="center"> \
		<br /> \
        <h1>Domain Search In Progress</h1><br /> \
	<ul id="waitingmessage" style="float: none !important; margin: 0px !important; font-size: 14px; line-height: 18px;"> \
		<li style="float: none !important; margin: 0px !important;">connecting to domain registry</li> \
		<li style="float: none !important; margin: 0px !important;">searching for domain availability</li> \
		<li style="float: none !important; margin: 0px !important;">checking .COM registry</li> \
		<li style="float: none !important; margin: 0px !important;">checking .NET registry</li> \
		<li style="float: none !important; margin: 0px !important;">checking .ORG registry</li> \
		<li style="float: none !important; margin: 0px !important;">checking .INFO registry</li> \
		<li style="float: none !important; margin: 0px !important;">checking .NAME registry</li> \
		<li style="float: none !important; margin: 0px !important;">checking .US registry</li> \
		<li style="float: none !important; margin: 0px !important;">checking .BIZ registry</li> \
		<li style="float: none !important; margin: 0px !important;">checking additional registries</li> \
		<li style="float: none !important; margin: 0px !important;">reading registry result</li> \
		<li style="float: none !important; margin: 0px !important;">verifying domain search results</li> \
		<li style="float: none !important; margin: 0px !important;">disconnecting from domain registry</li> \
		<li style="float: none !important; margin: 0px !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li><li style="float: none !important; margin: 0px !important;">&nbsp;</li> \
		<li style="float: none !important; margin: 0px !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li> \
		<li style="float: none !important; margin: 0px !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li><li style="float: none !important;">&nbsp;</li> \
	</ul> \
    <br /> \
	</div> \
	');
	
}

// Below I've pasted the other required functions -- jQuery News Ticker and jQuery BlockUI

/*
 *
 * Copyright (c) 2006/2007 Sam Collett (http://www.texotela.co.uk)
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * Version 2.0
 * Demo: http://www.texotela.co.uk/code/jquery/newsticker/
 *
 * $LastChangedDate$
 * $Rev$
 *
 */
 
(function($) {
/*
 * A basic news ticker.
 *
 * @name     newsticker (or newsTicker)
 * @param    delay      Delay (in milliseconds) between iterations. Default 4 seconds (4000ms)
 * @author   Sam Collett (http://www.texotela.co.uk)
 * @example  $("#news").newsticker(); // or $("#news").newsTicker(5000);
 *
 */
$.fn.newsTicker = $.fn.newsticker = function(delay)
{
	delay = delay || 4000;
	initTicker = function(el)
	{
		stopTicker(el);
		el.items = $("li", el);
		// hide all items (except first one)
		el.items.not(":eq(0)").hide().end();
		// current item
		el.currentitem = 0;
		startTicker(el);
	};
	startTicker = function(el)
	{
		el.tickfn = setInterval(function() { doTick(el) }, delay)
	};
	stopTicker = function(el)
	{
		clearInterval(el.tickfn);
	};
	pauseTicker = function(el)
	{
		el.pause = true;
	};
	resumeTicker = function(el)
	{
		el.pause = false;
	};
	doTick = function(el)
	{
		// don't run if paused
		if(el.pause) return;
		// pause until animation has finished
		el.pause = true;
		// hide current item
		$(el.items[el.currentitem]).fadeOut("slow",
			function()
			{
				$(this).hide();
				// move to next item and show
				el.currentitem = ++el.currentitem % (el.items.size());
				$(el.items[el.currentitem]).fadeIn("slow",
					function()
					{
						el.pause = false;
					}
				);
			}
		);
	};
	this.each(
		function()
		{
			if(this.nodeName.toLowerCase()!= "ul") return;
			initTicker(this);
		}
	)
	.addClass("newsticker")
	.hover(
		function()
		{
			// pause if hovered over
			pauseTicker(this);
		},
		function()
		{
			// resume when not hovered over
			resumeTicker(this);
		}
	);
	return this;
};

})(jQuery);



/*!
 * jQuery blockUI plugin
 * Version 2.33 (29-MAR-2010)
 * @requires jQuery v1.2.3 or later
 *
 * Examples at: http://malsup.com/jquery/block/
 * Copyright (c) 2007-2008 M. Alsup
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 * Thanks to Amir-Hossein Sobhi for some excellent contributions!
 */

;(function($) {

if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) {
	alert('blockUI requires jQuery v1.2.3 or later!  You are using v' + $.fn.jquery);
	return;
}

$.fn._fadeIn = $.fn.fadeIn;

var noOp = function() {};

// this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle
// retarded userAgent strings on Vista)
var mode = document.documentMode || 0;
var setExpr = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8);
var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent) && !mode;

// global $ methods for blocking/unblocking the entire page
$.blockUI   = function(opts) { install(window, opts); };
$.unblockUI = function(opts) { remove(window, opts); };

// convenience method for quick growl-like notifications  (http://www.google.com/search?q=growl)
$.growlUI = function(title, message, timeout, onClose) {
	var $m = $('<div class="growlUI"></div>');
	if (title) $m.append('<h1>'+title+'</h1>');
	if (message) $m.append('<h2>'+message+'</h2>');
	if (timeout == undefined) timeout = 3000;
	$.blockUI({
		message: $m, fadeIn: 700, fadeOut: 1000, centerY: false,
		timeout: timeout, showOverlay: false,
		onUnblock: onClose, 
		css: $.blockUI.defaults.growlCSS
	});
};

// plugin method for blocking element content
$.fn.block = function(opts) {
	return this.unblock({ fadeOut: 0 }).each(function() {
		if ($.css(this,'position') == 'static')
			this.style.position = 'relative';
		if ($.browser.msie)
			this.style.zoom = 1; // force 'hasLayout'
		install(this, opts);
	});
};

// plugin method for unblocking element content
$.fn.unblock = function(opts) {
	return this.each(function() {
		remove(this, opts);
	});
};

$.blockUI.version = 2.33; // 2nd generation blocking at no extra cost!

// override these in your code to change the default behavior and style
$.blockUI.defaults = {
	// message displayed when blocking (use null for no message)
	message:  '<h1>Please wait...</h1>',

	title: null,	  // title string; only used when theme == true
	draggable: true,  // only used when theme == true (requires jquery-ui.js to be loaded)
	
	theme: false, // set to true to use with jQuery UI themes
	
	// styles for the message when blocking; if you wish to disable
	// these and use an external stylesheet then do this in your code:
	// $.blockUI.defaults.css = {};
	css: {
		padding:	0,
		margin:		0,
		width:		'30%',
		top:		'40%',
		left:		'35%',
		textAlign:	'center',
		color:		'#000',
		border:		'3px solid #aaa',
		backgroundColor:'#fff',
		cursor:		'wait'
	},
	
	// minimal style set used when themes are used
	themedCSS: {
		width:	'30%',
		top:	'40%',
		left:	'35%'
	},

	// styles for the overlay
	overlayCSS:  {
		backgroundColor: '#000',
		opacity:	  	 0.6,
		cursor:		  	 'wait'
	},

	// styles applied when using $.growlUI
	growlCSS: {
		width:  	'350px',
		top:		'10px',
		left:   	'',
		right:  	'10px',
		border: 	'none',
		padding:	'5px',
		opacity:	0.6,
		cursor: 	'default',
		color:		'#fff',
		backgroundColor: '#000',
		'-webkit-border-radius': '10px',
		'-moz-border-radius':	 '10px',
		'border-radius': 		 '10px'
	},
	
	// IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w
	// (hat tip to Jorge H. N. de Vasconcelos)
	iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank',

	// force usage of iframe in non-IE browsers (handy for blocking applets)
	forceIframe: false,

	// z-index for the blocking overlay
	baseZ: 1000,

	// set these to true to have the message automatically centered
	centerX: true, // <-- only effects element blocking (page block controlled via css above)
	centerY: true,

	// allow body element to be stetched in ie6; this makes blocking look better
	// on "short" pages.  disable if you wish to prevent changes to the body height
	allowBodyStretch: true,

	// enable if you want key and mouse events to be disabled for content that is blocked
	bindEvents: true,

	// be default blockUI will supress tab navigation from leaving blocking content
	// (if bindEvents is true)
	constrainTabKey: true,

	// fadeIn time in millis; set to 0 to disable fadeIn on block
	fadeIn:  200,

	// fadeOut time in millis; set to 0 to disable fadeOut on unblock
	fadeOut:  400,

	// time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock
	timeout: 0,

	// disable if you don't want to show the overlay
	showOverlay: true,

	// if true, focus will be placed in the first available input field when
	// page blocking
	focusInput: true,

	// suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity)
	applyPlatformOpacityRules: true,
	
	// callback method invoked when fadeIn has completed and blocking message is visible
	onBlock: null,

	// callback method invoked when unblocking has completed; the callback is
	// passed the element that has been unblocked (which is the window object for page
	// blocks) and the options that were passed to the unblock call:
	//	 onUnblock(element, options)
	onUnblock: null,

	// don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493
	quirksmodeOffsetHack: 4
};

// private data and functions follow...

var pageBlock = null;
var pageBlockEls = [];

function install(el, opts) {
	var full = (el == window);
	var msg = opts && opts.message !== undefined ? opts.message : undefined;
	opts = $.extend({}, $.blockUI.defaults, opts || {});
	opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {});
	var css = $.extend({}, $.blockUI.defaults.css, opts.css || {});
	var themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {});
	msg = msg === undefined ? opts.message : msg;

	// remove the current block (if there is one)
	if (full && pageBlock)
		remove(window, {fadeOut:0});

	// if an existing element is being used as the blocking content then we capture
	// its current place in the DOM (and current display style) so we can restore
	// it when we unblock
	if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) {
		var node = msg.jquery ? msg[0] : msg;
		var data = {};
		$(el).data('blockUI.history', data);
		data.el = node;
		data.parent = node.parentNode;
		data.display = node.style.display;
		data.position = node.style.position;
		if (data.parent)
			data.parent.removeChild(node);
	}

	var z = opts.baseZ;

	// blockUI uses 3 layers for blocking, for simplicity they are all used on every platform;
	// layer1 is the iframe layer which is used to supress bleed through of underlying content
	// layer2 is the overlay layer which has opacity and a wait cursor (by default)
	// layer3 is the message content that is displayed while blocking

	var lyr1 = ($.browser.msie || opts.forceIframe) 
		? $('<iframe class="blockUI" style="z-index:'+ (z++) +';display:none;border:none;margin:0;padding:0;position:absolute;width:100%;height:100%;top:0;left:0" src="'+opts.iframeSrc+'"></iframe>')
		: $('<div class="blockUI" style="display:none"></div>');
	var lyr2 = $('<div class="blockUI blockOverlay" style="z-index:'+ (z++) +';display:none;border:none;margin:0;padding:0;width:100%;height:100%;top:0;left:0"></div>');
	
	var lyr3, s;
	if (opts.theme && full) {
		s = '<div class="blockUI blockMsg blockPage ui-dialog ui-widget ui-corner-all" style="z-index:'+z+';display:none;position:fixed">' +
				'<div class="ui-widget-header ui-dialog-titlebar blockTitle">'+(opts.title || '&nbsp;')+'</div>' +
				'<div class="ui-widget-content ui-dialog-content"></div>' +
			'</div>';
	}
	else if (opts.theme) {
		s = '<div class="blockUI blockMsg blockElement ui-dialog ui-widget ui-corner-all" style="z-index:'+z+';display:none;position:absolute">' +
				'<div class="ui-widget-header ui-dialog-titlebar blockTitle">'+(opts.title || '&nbsp;')+'</div>' +
				'<div class="ui-widget-content ui-dialog-content"></div>' +
			'</div>';
	}
	else if (full) {
		s = '<div class="blockUI blockMsg blockPage" style="z-index:'+z+';display:none;position:fixed"></div>';
	}			
	else {
		s = '<div class="blockUI blockMsg blockElement" style="z-index:'+z+';display:none;position:absolute"></div>';
	}
	lyr3 = $(s);

	// if we have a message, style it
	if (msg) {
		if (opts.theme) {
			lyr3.css(themedCSS);
			lyr3.addClass('ui-widget-content');
		}
		else 
			lyr3.css(css);
	}

	// style the overlay
	if (!opts.applyPlatformOpacityRules || !($.browser.mozilla && /Linux/.test(navigator.platform)))
		lyr2.css(opts.overlayCSS);
	lyr2.css('position', full ? 'fixed' : 'absolute');

	// make iframe layer transparent in IE
	if ($.browser.msie || opts.forceIframe)
		lyr1.css('opacity',0.0);

	//$([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);
	var layers = [lyr1,lyr2,lyr3], $par = full ? $('body') : $(el);
	$.each(layers, function() {
		this.appendTo($par);
	});
	
	if (opts.theme && opts.draggable && $.fn.draggable) {
		lyr3.draggable({
			handle: '.ui-dialog-titlebar',
			cancel: 'li'
		});
	}

	// ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling)
	var expr = setExpr && (!$.boxModel || $('object,embed', full ? null : el).length > 0);
	if (ie6 || expr) {
		// give body 100% height
		if (full && opts.allowBodyStretch && $.boxModel)
			$('html,body').css('height','100%');

		// fix ie6 issue when blocked element has a border width
		if ((ie6 || !$.boxModel) && !full) {
			var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth');
			var fixT = t ? '(0 - '+t+')' : 0;
			var fixL = l ? '(0 - '+l+')' : 0;
		}

		// simulate fixed position
		$.each([lyr1,lyr2,lyr3], function(i,o) {
			var s = o[0].style;
			s.position = 'absolute';
			if (i < 2) {
				full ? s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"')
					 : s.setExpression('height','this.parentNode.offsetHeight + "px"');
				full ? s.setExpression('width','jQuery.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"')
					 : s.setExpression('width','this.parentNode.offsetWidth + "px"');
				if (fixL) s.setExpression('left', fixL);
				if (fixT) s.setExpression('top', fixT);
			}
			else if (opts.centerY) {
				if (full) s.setExpression('top','(document.documentElement.clientHeight || document.body.clientHeight) / 2 - (this.offsetHeight / 2) + (blah = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + "px"');
				s.marginTop = 0;
			}
			else if (!opts.centerY && full) {
				var top = (opts.css && opts.css.top) ? parseInt(opts.css.top) : 0;
				var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + '+top+') + "px"';
				s.setExpression('top',expression);
			}
		});
	}

	// show the message
	if (msg) {
		if (opts.theme)
			lyr3.find('.ui-widget-content').append(msg);
		else
			lyr3.append(msg);
		if (msg.jquery || msg.nodeType)
			$(msg).show();
	}

	if (($.browser.msie || opts.forceIframe) && opts.showOverlay)
		lyr1.show(); // opacity is zero
	if (opts.fadeIn) {
		var cb = opts.onBlock ? opts.onBlock : noOp;
		var cb1 = (opts.showOverlay && !msg) ? cb : noOp;
		var cb2 = msg ? cb : noOp;
		if (opts.showOverlay)
			lyr2._fadeIn(opts.fadeIn, cb1);
		if (msg)
			lyr3._fadeIn(opts.fadeIn, cb2);
	}
	else {
		if (opts.showOverlay)
			lyr2.show();
		if (msg)
			lyr3.show();
		if (opts.onBlock)
			opts.onBlock();
	}

	// bind key and mouse events
	bind(1, el, opts);

	if (full) {
		pageBlock = lyr3[0];
		pageBlockEls = $(':input:enabled:visible',pageBlock);
		if (opts.focusInput)
			setTimeout(focus, 20);
	}
	else
		center(lyr3[0], opts.centerX, opts.centerY);

	if (opts.timeout) {
		// auto-unblock
		var to = setTimeout(function() {
			full ? $.unblockUI(opts) : $(el).unblock(opts);
		}, opts.timeout);
		$(el).data('blockUI.timeout', to);
	}
};

// remove the block
function remove(el, opts) {
	var full = (el == window);
	var $el = $(el);
	var data = $el.data('blockUI.history');
	var to = $el.data('blockUI.timeout');
	if (to) {
		clearTimeout(to);
		$el.removeData('blockUI.timeout');
	}
	opts = $.extend({}, $.blockUI.defaults, opts || {});
	bind(0, el, opts); // unbind events
	
	var els;
	if (full) // crazy selector to handle odd field errors in ie6/7
		els = $('body').children().filter('.blockUI').add('body > .blockUI');
	else
		els = $('.blockUI', el);

	if (full)
		pageBlock = pageBlockEls = null;

	if (opts.fadeOut) {
		els.fadeOut(opts.fadeOut);
		setTimeout(function() { reset(els,data,opts,el); }, opts.fadeOut);
	}
	else
		reset(els, data, opts, el);
};

// move blocking element back into the DOM where it started
function reset(els,data,opts,el) {
	els.each(function(i,o) {
		// remove via DOM calls so we don't lose event handlers
		if (this.parentNode)
			this.parentNode.removeChild(this);
	});

	if (data && data.el) {
		data.el.style.display = data.display;
		data.el.style.position = data.position;
		if (data.parent)
			data.parent.appendChild(data.el);
		$(el).removeData('blockUI.history');
	}

	if (typeof opts.onUnblock == 'function')
		opts.onUnblock(el,opts);
};

// bind/unbind the handler
function bind(b, el, opts) {
	var full = el == window, $el = $(el);

	// don't bother unbinding if there is nothing to unbind
	if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked')))
		return;
	if (!full)
		$el.data('blockUI.isBlocked', b);

	// don't bind events when overlay is not in use or if bindEvents is false
	if (!opts.bindEvents || (b && !opts.showOverlay)) 
		return;

	// bind anchors and inputs for mouse and key events
	var events = 'mousedown mouseup keydown keypress';
	b ? $(document).bind(events, opts, handler) : $(document).unbind(events, handler);

// former impl...
//	   var $e = $('a,:input');
//	   b ? $e.bind(events, opts, handler) : $e.unbind(events, handler);
};

// event handler to suppress keyboard/mouse events when blocking
function handler(e) {
	// allow tab navigation (conditionally)
	if (e.keyCode && e.keyCode == 9) {
		if (pageBlock && e.data.constrainTabKey) {
			var els = pageBlockEls;
			var fwd = !e.shiftKey && e.target == els[els.length-1];
			var back = e.shiftKey && e.target == els[0];
			if (fwd || back) {
				setTimeout(function(){focus(back)},10);
				return false;
			}
		}
	}
	// allow events within the message content
	if ($(e.target).parents('div.blockMsg').length > 0)
		return true;

	// allow events for content that is not being blocked
	return $(e.target).parents().children().filter('div.blockUI').length == 0;
};

function focus(back) {
	if (!pageBlockEls)
		return;
	var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0];
	if (e)
		e.focus();
};

function center(el, x, y) {
	var p = el.parentNode, s = el.style;
	var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth');
	var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth');
	if (x) s.left = l > 0 ? (l+'px') : '0';
	if (y) s.top  = t > 0 ? (t+'px') : '0';
};

function sz(el, p) {
	return parseInt($.css(el,p))||0;
};

})(jQuery);