// JavaScript Document

// Slider settings

$(function() {
    function changeSlide( newSlide ) {
        // cancel any timeout
        clearTimeout( slideTimeout );
        
        // change the currSlide value
        currSlide = newSlide;
        
        // make sure the currSlide value is not too low or high
        if ( currSlide > maxSlide ) currSlide = 0;
        else if ( currSlide < 0 ) currSlide = maxSlide;
        
        // animate the slide reel
        $slideReel.animate({
            left : currSlide * -710
        }, 400, 'swing', function() {
            // hide / show the arrows depending on which frame it's on
            if ( currSlide == 0 ) $slideLeftNav.hide();
            else $slideLeftNav.show();
            
            if ( currSlide == maxSlide ) $slideRightNav.hide();
            else $slideRightNav.show();
            
            // set new timeout if active
            if ( activeSlideshow ) slideTimeout = setTimeout(nextSlide, 5000);
        });
        
        // animate the navigation indicator
        $activeNavItem.animate({
            left : currSlide * 294
        }, 400, 'swing');
    }
    
    function nextSlide() {
        changeSlide( currSlide + 1 );
    }
    
    // define some variables / DOM references
    var activeSlideshow = true,
    currSlide = 0,
    slideTimeout,
    $slideshow = $('#slideshow'),
    $slideReel = $slideshow.find('#slideshow-reel'),
    maxSlide = $slideReel.children().length - 1,
    $slideLeftNav = $slideshow.find('#slideshow-left'),
    $slideRightNav = $slideshow.find('#slideshow-right'),
    $activeNavItem = $slideshow.find('#active-nav-item');
    
    // set navigation click events
    
    // left arrow
    $slideLeftNav.click(function(ev) {
        ev.preventDefault();
        
        activeSlideshow = false;
        
        changeSlide( currSlide - 1 );
    });
    
    // right arrow
    $slideRightNav.click(function(ev) {
        ev.preventDefault();
        
        activeSlideshow = false;
        
        changeSlide( currSlide + 1 );
    });
    
    // main navigation
    $slideshow.find('#slideshow-nav a.nav-item').click(function(ev) {
        ev.preventDefault();
        
        activeSlideshow = false;
        
        changeSlide( $(this).index() );
    });
    
    // start the animation
    slideTimeout = setTimeout(nextSlide, 1200);
});


// image roll-overs

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}