$(document).ready(function(){
    /* This code is executed after the DOM has been completely loaded */
    
    var totWidth=0;
    var positions = new Array();
    var maxwidth = 248;
    var minwidth = 46;
    var current=1;
    
    $('#banners .slide').each(function(i){
        
        /* Traverse through all the slides and store their accumulative widths in totWidth */
        
        positions[i]= totWidth;
        totWidth += $(this).width();
        
        /* The positions array contains each slide's commulutative offset from the left part of the container */
        
        if(!$(this).width())
        {
            alert("Please, fill in width & height for all your images!");
            return false;
        }
        
    });
    
    $('#banners').width(totWidth);
    
    var _cn = 0;
    $('#banner-menu ul li a').each(function(){
    	$(this).attr('rev', _cn);
    	_cn++;
    });   

    /* Change the cotnainer div's width to the exact width of all the slides combined */

    $('#banner-menu ul li a').click(function(e,keepScroll){
		if(!($(this).parent().hasClass('act'))) {
            /* On a thumbnail click */

            $('li.menuItem').removeClass('act').addClass('inact').animate({ width: minwidth }, 200);
            $(this).parent().animate({ width: maxwidth }, 400).addClass('act').find('span').css({ display: 'block' });
            
            if(!($(this).parent().hasClass('act'))) {  }
            
            var pos = $(this).parent().prevAll('.menuItem').length;
            
            $('#banners').stop().animate({marginLeft:-positions[pos]+'px'},450);
            /* Start the sliding animation */
            
            e.preventDefault();
            /* Prevent the default action of the link */
            
            
            // Stopping the auto-advance if an icon has been clicked:
            if(!keepScroll) { 
            	//clearInterval(itvl);
            	current=$(this).attr('rev');
            	itvl();
            }
        }
    });
    
    $('#banner-menu ul li.menuItem:first').css({ width: maxwidth }).addClass('act').find('span').css({ display: 'block' }).siblings().addClass('inact');
    /* On page load, mark the first thumbnail as active */
    
    
    
    /*****
     *
     *  Enabling auto-advance.
     *
     ****/
     
    function autoAdvance()
    {
        if(current==-1) return false;
        
        $('#banner-menu ul li a').eq(current%$('#banner-menu ul li a').length).trigger('click',[true]);   // [true] will be passed as the keepScroll parameter of the click function on line 28
        current++;
    }

    // The number of seconds that the slider will auto-advance in:
    
    var changeEvery = 10;

    var itvl = setInterval(function(){autoAdvance()},changeEvery*1000);

    /* End of customizations */
});