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

	var totWidth=0;
	var positions = new Array();
    var indexes = new Array();

	$('#slides .slide').each(function(i){

		/* Traverse through all the slides and store their accumulative widths in totWidth */

		positions[i]= totWidth;
        indexes[i] = i;

		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 */

    var current=0;

	$('#menu ul li a.a1:not(.act)').click(function(e,keepScroll){
	     keepScroll=true;
	    //  $('#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().parent().prevAll('.menuItem').length;
          // alert(pos);


           if(pos>3){
               pos=pos-1;
           }
               current = pos;

			$('#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.
	 *
	 ****/


	function autoAdvance(){
	   //alert('c = '+current);
		//if(current==-1) return false;
        if(current<3){
        clearInterval(itvl);
           itvl = setInterval(autoAdvance, 7500);
       }else{
        clearInterval(itvl);
           itvl = setInterval(autoAdvance, 3000);
       }

         if(current>3){var x=1;}else{var x=0;}
		$('#menu ul li a').eq(current%$('#menu ul li a').length+x).trigger('click',[true]);	// [true] will be passed as the keepScroll parameter of the click function on line 28
          //     alert(current);
       if(current == positions.length - 1){
            current = 0;
       }else{
            current++;
       }
	}


    var itvl = setInterval(autoAdvance, 7500);

	/* End of customizations */
});
