/*
1) Variables
============
*/

    var aSlides = [];
    var nSlideIndex = 0;
    var nNextSlideIndex = 1;

/*
2) Document ready
=================
*/

    $(document).ready(function() {

        // Load all the slides
            aSlides = $(".vibrant-slide");

        // If we have more than one slide, then schedule to render the next slide
            if( aSlides.length > 1 )
            {
                fScheduleNextSlideToBeRendered();
            }
    });

/*
3) fRenderNextSlide
===================
*/

    function fRenderNextSlide() {

        // Store the current slide
            var oCurrentSlide = $(aSlides[nSlideIndex]);

        // If the next slide is out out range, then reset it to the first slide
            if( nNextSlideIndex >= aSlides.length ) {
                nNextSlideIndex = 0;
            }

        // Store the next slide
            var oNextSlide = $(aSlides[ nNextSlideIndex ]);

        // Transition
            oNextSlide.addClass("entering");

        // After a short delay
            setTimeout( function() {

                // fade current slide out, and next slide in
                    oCurrentSlide.css("opacity", 0); 
                    oNextSlide.css("opacity", 1); 

                // After animation has ended, swap the active classes out and schedle the next slide to be rendered 
                    setTimeout( function() {
                        oNextSlide.addClass("active");
                        oNextSlide.removeClass("entering");
                        oCurrentSlide.removeClass("active");

                        fScheduleNextSlideToBeRendered();
                        nSlideIndex = nNextSlideIndex;
                        nNextSlideIndex++;
                    }, 1100);
                
        }, 100);
            
    }

/*
4) fScheduleNextSlideToBeRendered
=================================
Render next slide after x amount of time
*/


    function fScheduleNextSlideToBeRendered() {

        // Render next slide after delay
            setTimeout( function()
            {
                fRenderNextSlide();

            }, 7000); 
    }


    function fOnAttemptSubscribeMailinglist()
    {
        // If the email is valid, then show the privact model
            if( fCheckEmail( $("#sNewsEmailAddress").val() ) != "invalid" )
            {
                fFooterNewsletter_ShowPrivacyPolicyModal();
            }
        // Email is not valid, let customer know
            else
            {
                // Note that sEmailNotValidLang is defined in inc-htmlbottom_inc-layout.php
                alert( sEmailNotValidLang );
            }
    }

/*
6) fMailingListEmailInput_OnKeyDown
===================================
Prevent form being submited by pressing enter, instead open the modal
*/
	function fMailingListEmailInput_OnKeyDown( oEvent )
	{
		// If we press enter
			if( oEvent.which == 13 )
			{
				// Stop the form from being submitted
					oEvent.preventDefault();

				// Show the privacy modal instead
                    fOnAttemptSubscribeMailinglist();
			}
	}