/**********************************************************************************************
IE6 Drop down menu fix 
***********************************************************************************************/

sfHover = function() {
	var sfEls = document.getElementById("main-navigation").getElementsByTagName("li");
	for (var i = 0; i < sfEls.length; i++) {
		sfEls[i].onmouseover = function() {
			this.className += " hover";
		}
		sfEls[i].onmouseout = function() {
			this.className = this.className.replace(new RegExp(" hover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

/** for input buttons **/
inputActive = function() {
	var inputEls = document.getElementsByTagName("input");
	for (var i = 0; i < inputEls.length; i++) {
		inputEls[i].onmouseover = function() {
			this.className += " hover";
		}
		inputEls[i].onmouseout = function() {
			this.className = this.className.replace(new RegExp(" hover\\b"), "");
		}
		inputEls[i].onmousedown = function() {
			this.className += " active";
			this.className = this.className.replace(new RegExp(" hover\\b"), "");
		}
		inputEls[i].onmouseup = function() {
			this.className = this.className.replace(new RegExp(" active\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", inputActive);


/**********************************************************************************************
Form validation (requires jQuery)
***********************************************************************************************/

// error message text
var emailMissing = "Please enter your email address";
var emailInvalid = "Please enter a valid email address";

var phoneMissing = "Please enter your phone number";
var phoneInvalid = "Phone number must only contain digits";

var postcodeMissing = "Please enter your postcode";
var postcodeInvalid = "Postcode must be 4 numbers";

var requiredMissing = "This feild is required";

/*******************************
onFocus field clearers
********************************/
$(document).ready(function() {

	/** Email **/
	$('.email input').focus(function() {
		if ($(this).val() == emailMissing || $(this).val() == emailInvalid) {
			$(this).val('');
		}
	});

	/** Postcode **/
	$('.postcode input').focus(function() {
		if ($(this).val() == postcodeMissing || $(this).val() == postcodeInvalid) {
			$(this).val('');
		}
	});

});


// function to validate the form fields
function validate() {


	if ($('#call').attr("checked")) {
		$('.phone').addClass("required");
		$('.req').hide();
		$('.phone label').append(" <small class=\"req\">(required)</small>");
	} else {
		$('.phone').removeClass("required");
		$('.req').hide();
	}

	var alertChecks = false;
	var i = 0;

	$('span.formerror').css("display", "none");
	$('.form .form-item input').removeClass("error");
	$('.form .form-item select').removeClass("error");
	$('.form .form-item textarea').removeClass("error");

	while (i < $('.form .form-item').length) {

		formItem = $('.form-item:eq(' + i + ')');

		if (formItem.hasClass('email')) {

			/*******************************
			Email validation
			********************************/

			var email = $('.form .form-item:eq(' + i + ') input');

			//if email is required or is not empty, then check if it is empty(if required) and validate it
			if (formItem.hasClass("required") || email.val() != '') {
				if (alertChecks) { alert("checking email on form item " + i + ".."); }

				//check if email has missing error msg or if it is empty
				if (email.val() == '') {
					email.addClass("error");
					$('<span class="formerror">' + emailMissing + '</span>').insertAfter(email);
					email.focus();
					return false;
				}

				//check if email is valid
				var emailCheck = /^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$/.test(email.val());
				if (!emailCheck) {
					email.addClass("error");
					$('<span class="formerror">' + emailInvalid + '</span>').insertAfter(email);
					email.focus();
					return false;
				}

				if (alertChecks) { alert("checked email on form item " + i); }



			}

		} else if (formItem.hasClass('phone')) {
			/*******************************
			Phone number validation
			********************************/

			var phone = $('.form .form-item:eq(' + i + ') input');

			//if email is required or is not empty, then check if it is empty(if required) and validate it
			if (formItem.hasClass("required") || phone.val() != '') {
				if (alertChecks) { alert("checking phone on form item " + i + ".."); }

				//check if phone number is missing error msg or if it is empty
				if (phone.val() == '') {
					phone.addClass("error");
					$('<span class="formerror">' + phoneMissing + '</span>').insertAfter(phone);
					phone.focus();
					return false;
				}

				//check if phone number is valid

				var phoneCheck = /^([+]{1}[0-9\s]*)?([(]{1}[0-9]{2,3}[)]{1})?[0-9\s-]*$/.test(phone.val());
				if (!phoneCheck) {
					phone.addClass("error");
					$('<span class="formerror">' + phoneInvalid + '</span>').insertAfter(phone);
					phone.focus();
					return false;
				}
			}


			if (alertChecks) { alert("checked email on form item " + i); }

		} else if (formItem.hasClass('postcode')) {
			/*******************************
			Postcode validation
			********************************/


			var postcode = $('.form .form-item:eq(' + i + ') input');

			//if email is required or is not empty, then check if it is empty(if required) and validate it
			if ($(formItem).hasClass("required") || postcode.val() != '') {
				if (alertChecks) { alert("checking post on form item " + i + ".."); }

				//check if email has missing error msg or if it is empty
				if (postcode.val() == '') {
					postcode.addClass("error");
					$('<span class="formerror">' + postcodeMissing + '</span>').insertAfter(postcode);
					postcode.focus();
					return false;
				}

				//check if it is only numbers
				var postCheck = /^\d{4}$/.test(postcode.val());
				if (!postCheck) {
					postcode.addClass("error");
					$('<span class="formerror">' + postcodeInvalid + '</span>').insertAfter(postcode);
					postcode.focus();
					return false;
				}

				if (alertChecks) { alert("checked post on form item " + i); }

			}

		} else if (formItem.hasClass('required')) {
			/*******************************
			Blank item check (if required)
			********************************/

			$input = $('.form .form-item:eq(' + i + ') input');
			$select = $('.form .form-item:eq(' + i + ') select');
			$textarea = $('.form .form-item:eq(' + i + ') textarea');

			if ($select.length > 0) {
				var required = $('.form .form-item:eq(' + i + ') select');
			}

			if ($textarea.length > 0) {
				var required = $('.form .form-item:eq(' + i + ') textarea');
			}

			if ($input.length > 0) {
				var required = $('.form .form-item:eq(' + i + ') input');
			}


			//check if email has missing error msg or if it is empty
			if (required.val() == '' || required.val() == 'Please select') {
				required.addClass("error");
				$('<span class="formerror">' + requiredMissing + '</span>').insertAfter(required);
				required.focus();
				return false;
			}


		}

		if (alertChecks) { alert("item " + i + " checked"); }
		i++
		if (i >= $('.form .form-item').length) {
			return true;
		} //end length check

	} //end while loop 


} //end function

/**********************************************************************************************
Facebox (requires jQuery) 
***********************************************************************************************/

(function($) {
	$.facebox = function(data, klass) {
		$.facebox.loading()

		if (data.ajax) fillFaceboxFromAjax(data.ajax)
		else if (data.image) fillFaceboxFromImage(data.image)
		else if (data.div) fillFaceboxFromHref(data.div)
		else if ($.isFunction(data)) data.call($)
		else $.facebox.reveal(data, klass)
	}

	/*
	* Public, $.facebox methods
	*/

	$.extend($.facebox, {
		settings: {
			opacity: 0.3, /** sets opacity of overlay (number between 0 and 1) **/
			overlay: true,
			loadingImage: 'i/lightbox/loading.gif',
			closeImage: 'i/lightbox/closelabel.gif',
			imageTypes: ['png', 'jpg', 'jpeg', 'gif'],
			faceboxHtml: '\
    <div id="facebox" style="display:none;"> \
      <div class="popup"> \
        <table> \
          <tbody> \
            <tr> \
              <td class="tl"/><td class="b"/><td class="tr"/> \
            </tr> \
            <tr> \
              <td class="b"/> \
              <td class="body"> \
                <div class="content"> \
                </div> \
                <div class="footer"> \
                  <a href="#" class="close"> \
                    <img src="i/lightbox/closelabel.gif" title="close" class="close_image" /> \
                  </a> \
                </div> \
              </td> \
              <td class="b"/> \
            </tr> \
            <tr> \
              <td class="bl"/><td class="b"/><td class="br"/> \
            </tr> \
          </tbody> \
        </table> \
      </div> \
    </div>'
		},

		loading: function() {
			init()
			if ($('#facebox .loading').length == 1) return true
			showOverlay()

			$('#facebox .content').empty()
			$('#facebox .body').children().hide().end().
        append('<div class="loading"><img src="' + $.facebox.settings.loadingImage + '"/></div>')

			$('#facebox').css({
				top: getPageScroll()[1] + (getPageHeight() / 10),
				left: 385.5
			}).show()

			$(document).bind('keydown.facebox', function(e) {
				if (e.keyCode == 27) $.facebox.close()
				return true
			})
			$(document).trigger('loading.facebox')
		},

		reveal: function(data, klass) {
			$(document).trigger('beforeReveal.facebox')
			if (klass) $('#facebox .content').addClass(klass)
			$('#facebox .content').append(data)
			$('#facebox .loading').remove()
			$('#facebox .body').children().fadeIn('normal')
			$('#facebox').css('left', $(window).width() / 2 - ($('#facebox table').width() / 2))
			$(document).trigger('reveal.facebox').trigger('afterReveal.facebox')
		},

		close: function() {
			$(document).trigger('close.facebox')
			return false
		}
	})

	/*
	* Public, $.fn methods
	*/

	$.fn.facebox = function(settings) {
		init(settings)

		function clickHandler() {
			$.facebox.loading(true)

			// support for rel="facebox.inline_popup" syntax, to add a class
			// also supports deprecated "facebox[.inline_popup]" syntax
			var klass = this.rel.match(/facebox\[?\.(\w+)\]?/)
			if (klass) klass = klass[1]

			fillFaceboxFromHref(this.href, klass)
			return false
		}

		return this.click(clickHandler)
	}

	/*
	* Private methods
	*/

	// called one time to setup facebox on this page
	function init(settings) {
		if ($.facebox.settings.inited) return true
		else $.facebox.settings.inited = true

		$(document).trigger('init.facebox')
		makeCompatible()

		var imageTypes = $.facebox.settings.imageTypes.join('|')
		$.facebox.settings.imageTypesRegexp = new RegExp('\.' + imageTypes + '$', 'i')

		if (settings) $.extend($.facebox.settings, settings)
		$('body').append($.facebox.settings.faceboxHtml)

		var preload = [new Image(), new Image()]
		preload[0].src = $.facebox.settings.closeImage
		preload[1].src = $.facebox.settings.loadingImage

		$('#facebox').find('.b:first, .bl, .br, .tl, .tr').each(function() {
			preload.push(new Image())
			preload.slice(-1).src = $(this).css('background-image').replace(/url\((.+)\)/, '$1')
		})

		$('#facebox .close').click($.facebox.close)
		$('#facebox .close_image').attr('src', $.facebox.settings.closeImage)
	}

	// getPageScroll() by quirksmode.com
	function getPageScroll() {
		var xScroll, yScroll;
		if (self.pageYOffset) {
			yScroll = self.pageYOffset;
			xScroll = self.pageXOffset;
		} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
			yScroll = document.documentElement.scrollTop;
			xScroll = document.documentElement.scrollLeft;
		} else if (document.body) {// all other Explorers
			yScroll = document.body.scrollTop;
			xScroll = document.body.scrollLeft;
		}
		return new Array(xScroll, yScroll)
	}

	// Adapted from getPageSize() by quirksmode.com
	function getPageHeight() {
		var windowHeight
		if (self.innerHeight) {	// all except Explorer
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowHeight = document.body.clientHeight;
		}
		return windowHeight
	}

	// Backwards compatibility
	function makeCompatible() {
		var $s = $.facebox.settings

		$s.loadingImage = $s.loading_image || $s.loadingImage
		$s.closeImage = $s.close_image || $s.closeImage
		$s.imageTypes = $s.image_types || $s.imageTypes
		$s.faceboxHtml = $s.facebox_html || $s.faceboxHtml
	}

	// Figures out what you want to display and displays it
	// formats are:
	//     div: #id
	//   image: blah.extension
	//    ajax: anything else
	function fillFaceboxFromHref(href, klass) {
		// div
		if (href.match(/#/)) {
			var url = window.location.href.split('#')[0]
			var target = href.replace(url, '')
			$.facebox.reveal($(target).clone().show(), klass)

			// image
		} else if (href.match($.facebox.settings.imageTypesRegexp)) {
			fillFaceboxFromImage(href, klass)
			// ajax
		} else {
			fillFaceboxFromAjax(href, klass)
		}
	}

	function fillFaceboxFromImage(href, klass) {
		var image = new Image()
		image.onload = function() {
			$.facebox.reveal('<div class="image"><img src="' + image.src + '" /></div>', klass)
		}
		image.src = href
	}

	function fillFaceboxFromAjax(href, klass) {
		$.get(href, function(data) { $.facebox.reveal(data, klass) })
	}

	function skipOverlay() {
		return $.facebox.settings.overlay == false || $.facebox.settings.opacity === null
	}

	function showOverlay() {
		if (skipOverlay()) return

		if ($('facebox_overlay').length == 0)
			$("body").append('<div id="facebox_overlay" class="facebox_hide"></div>')

		$('#facebox_overlay').hide().addClass("facebox_overlayBG")
      .css('opacity', $.facebox.settings.opacity)
      .click(function() { $(document).trigger('close.facebox') })
      .fadeIn(200)
		return false
	}

	function hideOverlay() {
		if (skipOverlay()) return

		$('#facebox_overlay').fadeOut(200, function() {
			$("#facebox_overlay").removeClass("facebox_overlayBG")
			$("#facebox_overlay").addClass("facebox_hide")
			$("#facebox_overlay").remove()
		})

		return false
	}

	/*
	* Bindings
	*/

	$(document).bind('close.facebox', function() {
		$(document).unbind('keydown.facebox')
		$('#facebox').fadeOut(function() {
			$('#facebox .content').removeClass().addClass('content')
			hideOverlay()
			$('#facebox .loading').remove()
		})
	})

})(jQuery);

jQuery(document).ready(function($) {
	$('a[rel*=lightbox]').facebox()
});

/**********************************************************************************************
getCookie function
***********************************************************************************************/
// Gets a cookie by the name

function getCookie(c_name) {

	if (document.cookie.length > 0) {

		c_start = document.cookie.indexOf(c_name + "=");

		if (c_start != -1) {

			c_start = c_start + c_name.length + 1;
			c_end = document.cookie.indexOf(";", c_start);
			
			if (c_end == -1) c_end = document.cookie.length;

			return unescape(document.cookie.substring(c_start, c_end));
		}
	}
	return "";
}