(function($) {

	$.quote_rotator = {
		defaults: {
			rotation_speed: 7600,
			pause_on_hover: true
		}		
	}

    $.fn.extend({
        quote_rotator: function(config) {

			var config = $.extend({}, $.quote_rotator.defaults, config);

            return this.each(function() {
                
                // cache for selector performance
                var quote_list = $(this);
                
                // prevent dummies from setting the rotation speed too fast
				var rotation_speed = config.rotation_speed < 2000 ? 2000 : config.rotation_speed;                   

                // hide all the quotes
                quote_list.find('li').hide();

                // apply active class to first quote unless already applied elsewhere
                if (! (quote_list.find('li.active')).length ) {
                    $('li:first', quote_list).addClass('active');
                };
                
                // show the active quote 
                quote_list.find('li.active').show();
                
                // activate quote rotation
                var rotation_active = true;

                // stop quote rotation on hover
                quote_list.hover(function() {
                    if (config.pause_on_hover) {rotation_active = false};
                }, function() {
                    rotation_active = true
                });
                
                // rotate quotes
                setInterval(function(){
                    if (rotation_active) {
                                            
                        var active_quote = quote_list.find('li.active');        
                        var next_quote =  active_quote.next().length ? active_quote.next() : quote_list.find('li:first');

                        // rotate quotes with fade effect
                        active_quote.animate({
                            opacity: 0 // fade out active quote
                        }, 1000, function() {                        
                            active_quote.hide().css('opacity', 1); // hide and reset opacity
                            next_quote.fadeIn(1000); // fade in next quote
                        });

                        // swap the class to prepare for the next fade effect interal
                        active_quote.removeClass('active');         
                        next_quote.addClass('active');
                    };

                }, rotation_speed);  
                                
            })
        }
    })

})(jQuery);

$(document).ready(function(){
	/* This code is executed after the DOM has been completely loaded */


$('ul#quotegen').quote_rotator();


	var totWidth=0;
	var positions = new Array();
	
	$('#slides .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;
		}
		
	});
	
	$('#slides').width(totWidth);

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

	$('#menu ul li a').click(function(e,keepScroll){

			/* On a thumbnail click */

			$('li.menuItem').removeClass('act').addClass('inact');
			$(this).parent().addClass('act');
			
			var pos = $(this).parent().prevAll('.menuItem').length;
			
			$('#slides').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);
	});
	
	$('#menu ul li.menuItem:first').addClass('act').siblings().addClass('inact');
	/* On page load, mark the first thumbnail as active */
	
	
	
	/*****
	 *
	 *	Enabling auto-advance.
	 *
	 ****/
	 
	var current=1;
	function autoAdvance()
	{
		if(current==-1) return false;
		
		$('#menu ul li a').eq(current%$('#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 */
});