$(document).ready(function(){
	/* This code is executed after the DOM has been completely loaded */
	
	var totWidth=0;
	var positions = new Array();
	
	$('#pages .page').each(function(i){
		
		/* Traverse through all the pages and store their accumulative widths in totWidth */
		
		positions[i]= totWidth;
		totWidth += $(this).width();
		
		/* The positions array contains each page'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;
		}
		
	});
	
	$('#pages').width(totWidth);

	/* Change the cotnainer div's width to the exact width of all the pages 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;
			
			$('#pages').stop().animate({marginLeft:-positions[pos]+'px'}, 850);
			/* Start the sliding animation */
		
			e.preventDefault();
			/* Prevent the default action of the link */
			
			var linkid = this.id;
		
				showhide_subnav(linkid);
			
			// Stopping the auto-advance if an icon has been clicked:
			//if(!keepScroll) clearInterval(itvl);
	});
	///////////
		
	var toHeight = 0;
	var subpositions = new Array();
	
	$('#grids .grid').each(function(i){
		
		/* Traverse through all the pages and store their accumulative widths in totWidth */
		
		subpositions[i] = toHeight;
		toHeight += $(this).height();
		
		/* The positions array contains each page's commulutative offset from the left part of the container */
		
		if(!$(this).height())
		{
			alert("Please, fill in width & height for all your images!");
			return false;
		}
		
	});
	
	$('#grids').height(toHeight);

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

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

			/* On a thumbnail click */

			$('#submenu li.menuItem').removeClass('act').addClass('inact');
			$(this).parent().addClass('act');
			
			var pos = $(this).parent().prevAll('.menuItem').length;
			
		//alert(subpositions[pos]+' ,'+pos);	
			
			$('#grids').animate({marginTop: -subpositions[pos]+'px'}, 850);
			/* Start the sliding animation */
			
			e.preventDefault();
			/* Prevent the default action of the link */
			//if(!keepScroll) clearInterval(itvl);
			
	});
	
	$('#grids .slide_thumb').click(function(e, 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;
		
		$('#submenu ul li a').eq(current%$('#submenu 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 pager will auto-advance in:
	
	var changeEvery = 5;

	var itvl = setInterval(function(){autoAdvance()},changeEvery*1000);

	 End of SLIDEING SCRIPTS */
	
	
	/* FANCYBOX SCRIPTS */
	
	$("a[rel=grid1]").fancybox({
				'overlayShow'	: false,
				'transitionIn'	: 'elastic',
				'transitionOut'	: 'elastic',
				'titlePosition' 	: 'over'
				/*'titleFormat'		: function(title, currentArray, currentIndex, currentOpts) {
					return '<span id="fancybox-title-over">Image ' + (currentIndex + 1) + ' / ' + currentArray.length + (title.length ? ' &nbsp; ' + title : '') + '</span>';
				
				}*/
			});
});
