/*--- faid gallery function ---*/
function initGall(){
	var stay_time = 30000; //in ms
	var change_speed = 800; //in ms
	var _hold = $('#gallery-hold');
	if(_hold.length){
		var _btn = _hold.find('ul.gall-nav a');
		var btn_prev = _hold.find('div.link a.prev');
		var btn_next = _hold.find('div.link a.next');
		var list_h = _hold.find('ul.info-text');
		var _list = list_h.children();
		var _a = _btn.index(_btn.filter('.active:eq(0)'));
		if(_a == -1) _a = 0;
		var _f = true;
		var _t;
		
		if(_list.length > 1 && _btn.length > 1){
			_list.removeClass('active').css('opacity', 0).eq(_a).addClass('active').css('opacity', 1);
			_btn.removeClass('active').css('opacity', 0.5).eq(_a).addClass('active').css('opacity', 1);
			
			_btn.click(function(){
				changeEl(_btn.index(this));
				return false;
			});
			btn_prev.click(function(){
				if(_a > 0) changeEl(_a - 1);
				else changeEl(_list.length - 1);
				return false;
			});
			btn_next.click(function(){
				if(_a < _btn.length - 1) changeEl(_a + 1);
				else changeEl(0);
				return false;
			});
			_hold.find('div.box').mouseenter(function(){
				if(_t) clearTimeout(_t);
				_f = false;
			}).mouseleave(function(){
				_f = true;
				if(_t) clearTimeout(_t);
				_t = setTimeout(function(){
					if(_a < _btn.length - 1) changeEl(_a + 1);
					else changeEl(0);
				}, stay_time);
			});
			
			
			if(_f){
				_t = setTimeout(function(){
					if(_a < _btn.length - 1) changeEl(_a + 1);
					else changeEl(0);
				}, stay_time);
			}
		}
		else{
			btn_prev.hide();
			btn_next.hide();
		}
		function changeEl(_ind){
			if(_t) clearTimeout(_t);
			if(_a != _ind){
				list_h.stop().height(list_h.height());
				_btn.eq(_a).removeClass('active').animate({opacity: 0.5}, {queue:false, duration: change_speed});
				_btn.eq(_ind).addClass('active').animate({opacity: 1}, {queue:false, duration: change_speed});
				_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});
				list_h.animate({height: _list.eq(_ind).height()}, change_speed/2, function(){ $(this).height('auto');});
				_a = _ind;
			}
			if(_f){
				_t = setTimeout(function(){
					if(_a < _btn.length - 1) changeEl(_a + 1);
					else changeEl(0);
				}, stay_time);
			}
		}
	}
}
/*--- IE6 hover ---*/
function ieHover(h_list){
	if ($.browser.msie && $.browser.version < 7){
		$(h_list).hover(function(){
			$(this).addClass('hover');
		}, function(){
			$(this).removeClass('hover');
		});
	}
}
/*--- document ready ---*/
$(document).ready(function(){
	ieHover('ul.nav > li');
	initGall();
});