function move_m(start,end){
	i = 0;
	$("#destacados .blog_destacado").each(function(){					
		if(i >= start && i < end){$(this).animate({ opacity: 'show' }, 'slow');}
		else{$(this).hide();}
		i++;
	});
	if(start == 0) {$("#destacados #next_m").hide();}
	else $("#destacados #next_m").show();
	if(end >= i) {$("#destacados #back_m").hide();}
	else $("#destacados #back_m").show();			 
}

$(document).ready(function(){

	n = 1;
	start = 0;
	end = start + n;
	move_m(start,end);

	$("#destacados #next_m").click(function(){
		end = start;
		start -= n;				
		move_m(start,end);
	});
	$("#destacados #back_m").click(function(){
		start = end;
		end += n;
		move_m(start,end);
	});				
});