$(document).ready(function(){
	/* This code is executed after the DOM has been completely loaded */
	
	var totWidth=0;
	var positions = new Array();
	var padding = 30;
	var itemCount = 0;
	//alert("calisiyorum ama");
	$('#slides .slide').each(function(i){
		
		/* Traverse through all the slides and store their accumulative widths in totWidth */
		
		positions[i]= totWidth;
		totWidth += $(this).width();
		itemCount++;
		//alert(itemCount);
		/* 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;
		}
		
	});
	totWidth = totWidth + (itemCount+1)*padding;
	$('#slides').width(totWidth);

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

	$('#slideMenu ul li a').click(function(e){

			/* On a thumbnail click */
			//alert("hadi kociz");
			$('li.menuItem').removeClass('act').addClass('inact');
			$(this).parent().addClass('act');
			
			var pos = $(this).parent().prevAll('.menuItem').length;
			
			//var newMargin = (pos * (totWidth/2));
			var newMargin = pos * 750;
			//alert("mhhh");
			//alert(newMargin);
			$('#slides').stop().animate({marginLeft:-newMargin+'px'},750);
			//$('#slides').stop().animate({marginLeft:-positions[pos]+'px'},750);
			/* Start the sliding animation */
			
			e.preventDefault();
			/* Prevent the default action of the link */
	});
	
	$('#slideMenu ul li.menuItem:first').addClass('act').siblings().addClass('inact');
	/* On page load, mark the first thumbnail as active */
	
});