var index = -1;

$(document).ready(function () {

	bgHeader();
	$(window).resize(bgHeader);
		
	//TOP PAGE NAV
	$('#page-nav li img').hover(navPageOver,navPageOut);
	
	//MAIN NAV
	
	$('.main-content-nav li a').click(navMainContentClick);

	
	
	
	//FOOTER	
	$('.ico a img').mouseenter(
		function(){
			var src = '/resources/css/images/footer_icon_'+$(this).attr('name')+'Over.png';
			$(this).attr('src',src);
	});
	$('.ico a img').mouseleave(
		function(){
			var src = '/resources/css/images/footer_icon_'+$(this).attr('name')+'.png';
			$(this).attr('src',src);
	});
	
	// INIT SLIDER
	$('#slider').nivoSlider({
		effect:'fade', // Specify sets like: 'fold,fade,sliceDown'
		animSpeed:500, // Slide transition speed
		pauseTime:4000, // How long each slide will show
		directionNav:true, // Next & Prev navigation
		controlNav:false, // 1,2,3... navigation
		keyboardNav:true, // Use left & right arrows
		pauseOnHover:true, // Stop animation while hovering
		manualAdvance:false, // Force manual transitions
		captionOpacity:0.8 // Universal caption opacity		
	});
	
});

/* move background's position of #header */
function bgHeader()
{
	var windowX = $(window).width();
	var bgX = -500+((windowX-1000)/2);
	$('#header').css({'backgroundPosition':+bgX+'px 0'});	
}

/* over item top page nav */
function navPageOver()
{
	$(this).attr('src','/resources/css/images/header_nav_'+$(this).attr('name')+'Over.png');	
}
function navPageOut()
{
	$(this).attr('src','/resources/css/images/header_nav_'+$(this).attr('name')+'.png');	
}

/* click on nav of main-content*/
function navMainContentClick()
{
	$('.main-content-nav li.activ').removeClass('activ');
	$(this).parent().addClass('activ');	
}


//grey background for one new on two
function bgNews(type){
	
	if(type)
	    type = '.'+type;
	else
	    type='';
	
	$('#list-news li.grey').removeClass('grey');
	
	$('#list-news li'+type).each(function(){
		if($(this).index(type)%2==0){
			$(this).addClass('grey');
		}
	});
	
}