function optional(i){
	var action = document.getElementById("optional"+i);
	if(action.title == 'closed'){
		action.style.display = "block";
		action.title = "open";
	}else{
		action.style.display = "none";
		action.title = "closed";
	}
}

function showComments(i){
	var action = document.getElementById("comment"+i);
	if(action.title == 'closed'){
		action.style.display = "block";
		action.title = "open";
	}else{
		action.style.display = "none";
		action.title = "closed";
	}
}

function sendBlog(i){
	var action = document.getElementById("sendForm"+i);
	if(action.title == 'closed'){
		action.style.display = "block";
		action.title = "open";
	}else{
		action.style.display = "none";
		action.title = "closed";
	}
}