function toggleArchive(selected) {

	var selected = selected;
	
	var date = document.getElementById("archive-date");
	var category = document.getElementById("archive-category");
	var author = document.getElementById("archive-author");
	var projects = document.getElementById("projects-activities");
	
	if(selected == 'date'){
		if(date.style.display != "block") {
			date.style.display = "block";
		} else {
			date.style.display = "none";
		}
	}
	
	if(selected == 'category'){
		if(category.style.display != "block") {
			category.style.display = "block";
		} else {
			category.style.display = "none";
		}
	}


	if(selected == 'author'){
		if(author.style.display != "block") {
			author.style.display = "block";
		} else {
			author.style.display = "none";
		}
	}
	
	if(selected == 'projects'){
		if(projects.style.display != "block") {
			projects.style.display = "block";
		} else {
			projects.style.display = "none";
		}
	}
}

function clearEmail() {
	
	var email = document.getElementById("subemail");
		
	if(email.value == "Your email") {
		email.value = "";
	}
	
}

function resetEmail() {

	var email = document.getElementById("subemail");
	
	if(email.value == "") {
		email.value = "Your email";
	}

}