$(document).ready(function(){

    var f = '0.7';
    
    $('.work_item').fadeTo(1,f).hover(
        function(){$(this).fadeTo(100,'1')},                
        function(){$(this).fadeTo(100,f)}
    );
        

	$('img').removeAttr("title");


    /* function for tooltip */

function tooltip(){	
	/* CONFIG */		
		xOffset = 10;
		yOffset = 20;		
		// these 2 variable determine popup's distance from the cursor
		// you might want to adjust to get the right result		
	/* END CONFIG */		
	$("a.tooltip").hover(function(e){											  
		this.t = this.title;
		this.title = "";									  
		$("body").append("<p id='tooltip'>"+ this.t +"</p>");
		$("#tooltip")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");		
    },
	function(){
		this.title = this.t;		
		$("#tooltip").remove();
    });	
	$("a.tooltip").mousemove(function(e){
		$("#tooltip")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};

tooltip();

// Slideshow

$('#img_caption').hide();
var the_img = $('#menu ul li:first a').attr('title');
var totWidth=0;
	var positions = new Array();
	
	$('#slides .slide img').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);
	
	if(the_img){
	$('#img_caption').hide().append(the_img).fadeIn('fast');
	}

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

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

			/* On a thumbnail click */

			$('li.menuItem').removeClass('act').addClass('inact');
			$(this).parent().addClass('act');
			
			if(this.title){
			$('#img_caption').hide().empty().append(this.title).fadeIn('fast');
			}
			
			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 */
			
			
			// 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.
	 *
	 ****/
	 
	var current=1;
	function autoAdvance()
	{
		if(current==-1) return false;
		
		$('#menu ul li a').eq(current%$('#menu 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 slider will auto-advance in:
	
	var changeEvery = 10;

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




});