/**********************************************************************************************
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('');
				}
	});

});


//Addtional functionality for radio buttons
$('#call').focus(function(){
	
	
	alert("clicked");
	
});


// 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()
})