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

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

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

        /* On a thumbnail click */

        jQuery('li.menuItem').removeClass('act').addClass('inact');
        jQuery(this).parent().addClass('act');
			
        var pos = jQuery(this).parent().prevAll('.menuItem').length;
			
        jQuery('#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);
    });
	
    jQuery('#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;
		
        jQuery('#menu ul li a').eq(current%jQuery('#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 */
});