/*
 * Internal timer abstraction to avoid polluting global namespace
 */
var ContactusClock = {
	'timers': [],
	'clock': function (ident) {
		if (!ContactusClock.timers[ident].cancel) {
			if (!ContactusClock.timers[ident].func(ContactusClock.timers[ident].obj))
				ContactusClock.timers[ident].cancel = true;
		}
		if (ContactusClock.timers[ident].cancel) {
			clearInterval(ContactusClock.timers[ident].id);
			ContactusClock.timers[ident].cancelled = true;
		}
	},
	'overwriteTimer': function (ident, ms, func, obj) {
		ContactusClock.timers[ident] = new Object();
		ContactusClock.timers[ident].cancelled = false;
		ContactusClock.timers[ident].cancel = false;
		ContactusClock.timers[ident].func = func;
		ContactusClock.timers[ident].obj = obj;
		ContactusClock.timers[ident].id = setInterval('ContactusClock.clock('+ident+');', ms);
	},
	'addTimer': function (ms, func, obj) {
		for (var i = 0; i < ContactusClock.timers.length; i++) {
			if (ContactusClock.timers[i].cancelled) {
				ContactusClock.overwriteTimer(i, ms, func, obj);
				return;
			}
		}
		ContactusClock.overwriteTimer(ContactusClock.timers.length, ms, func, obj);
	}
};

(function () {
	var moverHost = new Object();
	moverHost.curMover = 0;
	moverHost.curHeight = 0;
	moverHost.startPos = 27;
	moverHost.targetHeight = 398;
	var hide = function ()
	{
	}
	var show = function (moved, hiding, hidden)
	{
		var mover = new Object();
		mover.thisMover = ++moverHost.curMover;
		mover.expanding = true;
		mover.moverHost = moverHost;
		mover.moved = moved;
		mover.hiding = hiding;
		mover.hidden = hidden;
		mover.speed = 0;
		mover.accelerations = 2;
		mover.acceleration = mover.accelerations;
		mover.retardation = mover.accelerations;
		mover.targetSpeed = 20;
		mover.startPos = moverHost.startPos;
		mover.curPos = mover.startPos;
		mover.targetPos = moverHost.targetHeight;

		mover.mover = function (mover) {
			mover.speed += mover.acceleration;
			if (mover.speed > mover.targetSpeed && mover.acceleration > 0) {
				mover.speed = mover.targetSpeed;
				mover.acceleration = 0;
			}
			if (mover.acceleration < 0 && mover.speed < mover.retardation)
				mover.speed = mover.retardation;
			if (mover.acceleration >= 0 && ((mover.speed / 2) * (mover.speed / mover.retardation)) >= (mover.targetPos - mover.curPos)) {
				mover.acceleration = -mover.retardation;
			}
			mover.curPos += mover.speed;
			if (mover.curPos > mover.targetPos)
				mover.curPos = mover.targetPos;
		}
		hide = function ()
		{
			if (mover.thisMover == mover.moverHost.curMover && mover.expanding) {
				mover.hiding();
				mover.expanding = false;
				mover.acceleration = mover.accelerations;
				mover.curPos = (mover.targetPos - mover.curPos);
				mover.targetPos -= mover.startPos;
				ContactusClock.addTimer(50, function (mover) {
					if (mover.thisMover == mover.moverHost.curMover && !mover.expanding) {
						mover.mover(mover);
						mover.moverHost.curHeight = Math.floor((mover.targetPos + mover.startPos) - mover.curPos);
						mover.moved(mover.moverHost.curHeight, mover.moverHost.targetHeight);
						var cont = (mover.moverHost.curHeight > mover.startPos);
						if (!cont)
							mover.hidden();
						return cont;
					} else
						return false;
				}, mover);
			} else
				return false;
		}
		ContactusClock.addTimer(50, function (mover) {
			if (mover.thisMover == mover.moverHost.curMover && mover.expanding) {
				mover.mover(mover);
				mover.moverHost.curHeight = Math.floor(mover.curPos);
				mover.moved(mover.moverHost.curHeight, mover.moverHost.targetHeight);
				return (mover.moverHost.curHeight < mover.moverHost.targetHeight);
			} else
				return false;
		}, mover);
	}
	var jsBootstrap = function (host_obj)
	{
		var contactus_button = document.getElementById('contactus_button');
		var contactus_frame = document.getElementById('contactus_frame');
		var contactus_form = document.getElementById('contactus_form_element');
		var contactus_abort = document.getElementById('contactus_abort');

		contactus_button.onclick = function () {
			/*
			 * Add a mouse-button capture div ontop of body
			 */
			var capture = document.createElement('div');
			capture.style.width = '100%';
			capture.style.height = '100%';
			capture.style.position = 'fixed';
			capture.style.top = '0px';
			capture.style.left = '0px';
			capture.onclick = function () {
				hide();
			}
			var hideParent = 
			document.body.appendChild(capture);
			contactus_frame.style.top = (-moverHost.targetHeight)+'px';
			contactus_frame.style.height = moverHost.targetHeight+'px';
			show(
				/* moving */
				function (curHeight, targetHeight) {
					contactus_frame.style.top = (curHeight - targetHeight)+'px';
				},
				/* hiding animaition-start */
				function () {
					document.body.removeChild(capture);
				},
				/* hidden */
				function () {
					contactus_frame.style.top = (-moverHost.targetHeight)+'px';
				}
			);
		}
		contactus_form.onsubmit = function () {
			var obj = new Object();
			var val = new Object();

			obj.name = document.getElementById('contactus_i_name');
			obj.email = document.getElementById('contactus_i_email');
			obj.msg = document.getElementById('contactus_i_message');

			val.name = obj.name.value;
			val.email = obj.email.value;
			val.msg = obj.msg.value;

			/*
			 * Clear previous validations
			 */
			obj.err_name = document.getElementById('contactus_err_name');
			obj.err_email = document.getElementById('contactus_err_email');
			obj.err_msg = document.getElementById('contactus_err_msg');
			if (!obj.err_name) {
				obj.err_name = document.createElement('p');
				obj.err_name.id = 'contactus_err_name';
				obj.err_name.setAttribute('class', 'error');
				obj.name.parentNode.parentNode.insertBefore(obj.err_name, obj.name.parentNode.nextSibling);
			}
			if (!obj.err_email) {
				obj.err_email = document.createElement('p');
				obj.err_email.id = 'contactus_err_email';
				obj.err_email.setAttribute('class', 'error');
				obj.email.parentNode.parentNode.insertBefore(obj.err_email, obj.email.parentNode.nextSibling);
			}
			if (!obj.err_msg) {
				obj.err_msg = document.createElement('p');
				obj.err_msg.id = 'contactus_err_msg';
				obj.err_msg.setAttribute('class', 'error');
				obj.msg.parentNode.parentNode.appendChild(obj.err_msg);
			}
			obj.err_name.style.display = 'none';
			obj.err_email.style.display = 'none';
			obj.err_msg.style.display = 'none';
			/*
			 * Javascript validation, server will only reply OK/Fail
			 */
			var error = false;
			if (!val.name) {
				obj.err_name.innerHTML = 'P&aring;krevd.';
				obj.err_name.style.display = 'inline';
				error = true;
			}
			if (!val.email) {
				obj.err_email.innerHTML = 'P&aring;krevd.';
				obj.err_email.style.display = 'inline';
				error = true;
			}
			if (!val.msg) {
				obj.err_msg.innerHTML = 'P&aring;krevd.';
				obj.err_msg.style.display = 'inline';
				error = true;
			}

			if (!error) {
				var ajaxServerName = "seria.no";
				var siteServerName = location.host;
				var ajaxCall = {
					'url': 'http://seria.no/sites/s/seria.no/designs/default/contactus/ajax.php',
					'parameters': {
						'name': val.name,
						'email': val.email,
						'msg': val.msg
					},
					'onSuccess': function (req) {
						if (req.responseText != 'OK') {
							alert('Submit failed (Guru meditation: '+req.responseText+')');
						}
						hide();
						obj.name.value = '';
						obj.email.value = '';
						obj.msg.value = '';
						obj.msg.innerHTML = '';
						return false;
					},
					'onError': function (req) {
						/*
						 * Fallback to post.
						 */
						var redirectFlag = document.createElement('input');
						redirectFlag.setAttribute('type', 'hidden');
						redirectFlag.setAttribute('name', 'redirect');
						redirectFlag.setAttribute('value', location.href);
						contactus_form.appendChild(redirectFlag);
						contactus_form.onsubmit = function () {
							return true; /* Disable AJAX posting */
						}
						contactus_form.submit();
					}
				};
				if (siteServerName == ajaxServerName)
					AjaxRequest.post(ajaxCall);
				else
					ajaxCall.onError(false);
			}
			return false;
		}
		contactus_abort.onclick = function ()
		{
			hide();
		}
	}
	var adjustToIE6 = function(host_obj)
	{
	}
	var insertTemplate = function(host_obj, template)
	{
		host_obj.innerHTML = template;
		/*
		 * Detect IE, and then IE6
		 */
		if (!window.opera && navigator.userAgent.toLowerCase().indexOf('msie') != -1) {
			if (typeof(document.addEventListener) != 'function') /* IE6 */ {
				adjustToIE6(host_obj);
			}
		}
	}

	/*
	 * Hook transparently onto the dom-ready event
	 */
	var domReady = function ()
	{
		var obj = document.getElementById('contactus_host');
		var template = "<div id='contactus_frame_expand'><a id='contactus_button' href='#'>Kontakt oss<\/a><\/div>\n<div id='contactus_frame' class='shadows'>\n\t<div id='contactus_frame_active_content'>\n\t\t<form id='contactus_form_element' method='post' action='http:\/\/seria.no\/sites\/s\/seria.no\/designs\/default\/contactus\/ajax.php'>\n\t\t\t<div id='contactus_form'>\n\t\t\t\t<h2>Kontakt Seria<\/h2>\n\t\t\t\t<div class='fields'>\n\t\t\t\t\t<div class='row'>\n\t\t\t\t\t\t<label for='contactus_i_name'>Navn:<\/label>\n\t\t\t\t\t\t<input id='contactus_i_name' type='text' name='name' value=''>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class='row'>\n\t\t\t\t\t\t<label for='contactus_i_email'>E-post:<\/label>\n\t\t\t\t\t\t<input id='contactus_i_email' type='text' name='email' value=''>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class='row'>\n\t\t\t\t\t\t<label for='contactus_i_message'>Melding:<\/label>\n\t\t\t\t\t\t<textarea id='contactus_i_message' name='msg'><\/textarea>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class='submit'>\n\t\t\t\t\t<button type='submit'>Send<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<div id='contactus_info'>\n\t\t\t\t<div class='info'>\n\t\t\t\t\t<div><h2>SERIA AS<\/h2><\/div>\n\t\t\t\t\t<div>Storgata 62, 8006 BOD&Oslash;<\/div>\n\t\t\t\t\t<div><a href='http:\/\/www.seria.no\/wips\/2126339158\/'>Se kart<\/a><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class='info'>\n\t\t\t\t\t<div>Telefon: 21 69 00 00<\/div>\n\t\t\t\t\t<div>Telefaks: 21 69 10 00<\/div>\n\t\t\t\t\t<div>E-post: post@seria.no<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class='info'>\n\t\t\t\t\t<div><a href='http:\/\/www.seria.no\/wips\/626385625\/'>Ansatte<\/a><\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t<\/div>\n\t<div id='contactus_abort'>&nbsp;<\/div>\n<\/div>\n";

		if (obj) {
			insertTemplate(obj, template);
			jsBootstrap(obj);
		}
	}
	if (window.addEventListener)
		window.addEventListener('DOMContentLoaded', domReady, false);
	else {
		var parentDomReady = document.onreadystatechange;
		document.onreadystatechange = function (event) {
			if (parentDomReady)
				val = parentDomReady(event);
			else
				val = true;
			if (document.readyState == 'interactive' || document.readyState == 'complete') {
				if (domReady) {
					domReady();
					domReady = false;
				}
			}
			return val;
		}
	}
})();