$(document).ready(function(){
    /* This code is executed after the DOM has been completely loaded */
	
    var totWidth=0;
    var positions=new Array();
    var stop_scroll=0;
    var current=1;
    var slide_amount=5;
    var changeEvery=15;

    $('#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_g 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 */
        current = pos;
    });

    $('#menu_g ul li a').mouseenter(function(e,keepScroll){
        stop_scroll = 1;
    });

    $('#menu_g ul li a').mouseleave(function(e,keepScroll){
        stop_scroll = 0;
    });
        
    $('#menu_g ul li.menuItem:first').addClass('act').siblings().addClass('inact');
    /* On page load, mark the first thumbnail as active */
	
	
	
    /*****
	 *
	 *	Enabling auto-advance.
	 *
	 ****/
	 
    function autoAdvance()
    {
        if(current==-1) return false;
        if(stop_scroll==1) return false;
		
        $('#menu_g ul li a').eq(current%$('#menu_g ul li a').length).trigger('click',[true]);	// [true] will be passed as the keepScroll parameter of the click function on line 28
        current++;

        if (current > slide_amount) current = 1;
    }

    // The number of seconds that the slider will auto-advance in:

    var itvl = setInterval(function(){
        autoAdvance()
    },changeEvery*1000);

/* End of customizations */
});
