function clearDefault() {
	document.getElementById('search_for1').value = "";	
	//document.getElementById('search_for2').value = "";	
}

function enableButton() {
	if (document.getElementById('accept_terms').checked == true)
		document.getElementById('authorAccountButton').disabled = false;
	else document.getElementById('authorAccountButton').disabled = true;
}

function enableArticleSubmitButton() {
	if (document.getElementById('accept_terms').checked == true)
		document.getElementById('enableSubmitButton').value = true;
	else document.getElementById('enableSubmitButton').value = false;
	document.form.submit();
}

function goToPage(page, id) {
	document.form.action = page;
	
	if (page == "search.php") {
		var a1 = document.getElementById('search_for1').value;
		document.form.method = "post";


	} else {	
		var s1 = document.getElementById('search_for1');
		//var s2 = document.getElementById('search_for2');
		var e = document.getElementById('explanation');
			
		s1.parentNode.removeChild(s1);
		//s2.parentNode.removeChild(s2);
		if (e) e.parentNode.removeChild(e);
	}
		
	var n = document.getElementById('newsletter_id');
	var a = document.getElementById('article_id');
	var c = document.getElementById('column_id');
	
	if (page == "article.php") {
		document.form.method = "get";
		if (n) n.parentNode.removeChild(n);
		if (c) c.parentNode.removeChild(c);
		document.getElementById('article_id').value = id;
	}
	
	else if (page == "author_articles.php") {
		if (n) n.parentNode.removeChild(n);
		if (a) a.parentNode.removeChild(a);
		if (c) c.parentNode.removeChild(c);
		document.getElementById('author_id').value = id;
	}
	
	else if (page == "edition.php") {
		if (a) a.parentNode.removeChild(a);
		if (c) c.parentNode.removeChild(c);
		document.getElementById('newsletter_id').value = id;
	}
	
	else if (page == "column.php") {
		document.form.method = "get";
		if (n) n.parentNode.removeChild(n);
		if (a) a.parentNode.removeChild(a);
		document.getElementById('column_id').value = id;
	}

	document.form.submit();
}

function login(page) {
	document.form.method = "post";
	document.form.action = page;
	document.form.submit();
}

function logout(page) {
	document.getElementById('logoutUser').value = 1;
	document.form.method = "post";
	document.form.target = "_self";
	document.form.action = page;
	document.form.submit();
}

function displayEmailField(page) {
	document.form.action = page;
	document.form.method = "post";
	document.getElementById('forgotPassword').value = 1;
	document.form.submit();
}

function setFocus(element) {
	if (document.getElementById(element))
		document.getElementById(element).focus();
}

function showArticle(id) {
	var s1 = document.getElementById('search_for1');
	//var s2 = document.getElementById('search_for2');
	var n = document.getElementById('newsletter_id');
	var c = document.getElementById('column_id');

	s1.parentNode.removeChild(s1);
	//s2.parentNode.removeChild(s2);
	if (n) n.parentNode.removeChild(n);
	if (c) c.parentNode.removeChild(c);
		
	document.getElementById('article_id').value = id;
	document.form.submit();
}



function showNewsletter(id) {
	var s1 = document.getElementById('search_for1');
	//var s2 = document.getElementById('search_for2');
	var a = document.getElementById('article_id');
	var c = document.getElementById('column_id');

	//s.parentNode.removeChild(s);
	s1.parentNode.removeChild(s1);
	//s2.parentNode.removeChild(s2);
	if (a) a.parentNode.removeChild(a);
	if (c) c.parentNode.removeChild(c);
	
	document.getElementById('newsletter_id').value = id;
	document.form.submit();
}

function emailUserPassword(page) {
	document.form.action = page;
	document.form.method = "post";
	document.getElementById('sendMyPassword').value = 1;
	document.form.submit();
}

function forgotPassword() {
	document.getElementById('sendPassword').value = 1;	
	document.form.submit();
}

function submitenter(myfield,e) {
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	
	if (keycode == 13){
		document.form.method = "post";
		document.form.action = "search.php";
	   	document.form.submit();
	   	return false;
	} else return true;
}


function updateAccount(id) {
	document.form.action = "author_account.php";
	document.form.submit();
}

function deleteAddress(id) {
	document.getElementById('deleteAddressId').value = id;
	document.form.submit();
}

function updateAddress(id) {
	document.getElementById('updateAddressId').value = id;
	document.form.submit();
}

function updateAdvertiserAccount(id) {
	document.form.action = "advertiser_account.php";
	document.form.submit();
}

function updateSubscriberAccount(id) {
	document.form.action = "subscriber_account.php";
	document.form.submit();
}