(function($){$.fn.slider=function(options)
{
	var id=$(this).attr('id');
	settings=jQuery.extend({activeClass:'slider-active',passiveClass:'slider',interval:5000,speed:300},options);
	var obj=new Object();
	obj.id=id;obj.interval=0;obj.settings=settings;obj.slides=$('#'+id+' div[rel^=slide-]');
	obj.navigation=$('#'+id+'-nav a[rel^=slide-]');
	obj.active_id=0;
	obj.interval=setTimeout(function(){$(this).slide_reload(obj);},obj.settings.interval);
	obj.navigation.each(function()
	{
		$(this).click(function()
		{
			$(this).slide_click($(this).attr('rel'),obj);
		});
	});
}

$.fn.slide_click=function(id,obj)
{
	clearTimeout(obj.interval)
	var c=obj.slides[obj.active_id];id=id.replace(obj.id+'-','');
	var num=parseInt(id.split('-')[0]);
	if((num-1)!=obj.active_id)
	{
		var n=obj.slides[0];
		if(num>0)
		{
			if(obj.slides[num-1])
			{
				n=obj.slides[num-1];
				obj.active_id=0;
			}
		}
		
		for(var i=0;i<obj.slides.length;i++)
		{
			if($(obj.slides[i]).attr('rel')==obj.id+'-'+num)
			{
				n=obj.slides[i];
				obj.active_id=i;
				
				break;
			}
		}
		$(this).slide_exec(c,n,obj);
	}
	else
	{
		obj.interval=setTimeout(function()
		{
			$(this).slide_reload(obj);
		},
		obj.settings.interval);
	}
}

$.fn.slide_reload=function(obj)
{
	var c=obj.slides[obj.active_id];
	var n=$(this).slide_get_next_slide(obj);
	$(this).slide_exec(c,n,obj);
}

$.fn.slide_exec=function(c,n,obj)
{
	$(c).fadeOut(obj.speed);
	$(n).fadeIn(obj.speed);
	$(this).slide_get_nav(obj,$(c).attr('rel')+'-nav').attr('class',obj.settings.passiveClass);
	$(this).slide_get_nav(obj,$(n).attr('rel')+'-nav').attr('class',obj.settings.activeClass);
	obj.interval=setTimeout(function(){$(this).slide_reload(obj);},obj.settings.interval);
}

$.fn.slide_get_nav=function(obj,id)
{
	for(var i=0;i<obj.navigation.length;i++)
	{
		if($(obj.navigation[i]).attr('rel')==id)
		{
			return $(obj.navigation[i]);
		}
	}
	return null;
}

$.fn.slide_get_next_slide=function(obj)
{
	var n=obj.slides[0];
	if(obj.slides.length>(obj.active_id+1))
	{
		n=obj.slides[obj.active_id+1];
		obj.active_id=obj.active_id+1;
	}
	else
		obj.active_id=0;return n;
}
}
)(jQuery);