/*--- fade gallery ---*/
function initGall(){
	var stay_time = 6000; //in ms or 'false' if not needed
	var change_speed = 600; //in ms
	$('#header div.gallery-holder').each(function(){
		var _hold = $(this);
		var _btn = _hold.find('ul.sub-nav > li');
		var _list = _hold.find('ul.gallery > li');
		var _a = _btn.index(_btn.filter('.active:eq(0)'));
		if(_a == -1) _a = 0;
		_btn.removeClass('active').eq(_a).addClass('active');
		_list.removeClass('active').css('opacity', 0).eq(_a).addClass('active').css('opacity', 1);
		var _f = true;
		var _t;
		
		_hold.mouseenter(function(){
			_f = false;
			if(_t) clearTimeout(_t);
		}).mouseleave(function(){
			_f = true;
			if(_t) clearTimeout(_t);
			if(_f && stay_time){
				_t = setTimeout(function(){
					if(_a < _list.length - 1) changeEl(_a + 1);
					else changeEl(0);
				}, stay_time);
			}
		});
		_btn.click(function(){
			changeEl(_btn.index(this));
			return false;
		});
		if(_f && stay_time){
			_t = setTimeout(function(){
				if(_a < _list.length - 1) changeEl(_a + 1);
				else changeEl(0);
			}, stay_time+change_speed);
		}
		
		function changeEl(_ind){
			if(_t) clearTimeout(_t);
			if(_a != _ind){
				_btn.eq(_a).removeClass('active');
				_btn.eq(_ind).addClass('active');
				_list.eq(_a).removeClass('active').animate({opacity: 0},{ queue:false, duration:change_speed});
				_list.eq(_ind).addClass('active').animate({opacity: 1},{ queue:false, duration:change_speed});
				_a = _ind;
			}
			if(_f && stay_time){
				_t = setTimeout(function(){
					if(_a < _list.length - 1) changeEl(_a + 1);
					else changeEl(0);
				}, stay_time+change_speed);
			}
		}
	});
}
$(document).ready(function(){
	initGall();
});