// JavaScript Document

$(document).ready(function(){
	/* This code is executed after the DOM has been completely loaded */
	
	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);
	$('#texts').width(totWidth);
	$('#subtexts').width(totWidth);

	/* Change the cotnainer div's width to the exact width of all the slides combined */
	$('#menu ul li a').click(function(e){
			/* On a thumbnail click */
			$('#menu li a').each(function() {
				$(this).removeClass('over');
			});

			var pos = $(this).parent().prevAll('.slidecontrol').length;
			
			$('#slides').stop().animate({marginLeft:-positions[pos]+'px'},1200);
			$('#texts').stop().animate({marginLeft:-positions[pos]+'px'},1500);
			$('#subtexts').stop().animate({marginLeft:-positions[pos]+'px'},1800);
			/* Start the sliding animation */

			$(this).addClass('over');
			
			e.preventDefault();
			/* Prevent the default action of the link */
	});
	
	/*****
	 *
	 *	Enabling auto-advance.
	 *
	 ****/
	 
	var current=1;
	function autoAdvance()
	{
		if(current==-1) return false;
		$('#menu li a').eq(current%$('#menu li a').length).trigger('click');
		current++;
	}

	// The number of seconds that the slider will auto-advance in:	
	var changeEvery = 8;
	var itvl = setInterval(function(){autoAdvance()},changeEvery*1000);

	/* End of customizations */
});