function showAllNewsfeed(f) {
	f.action = "/newsfeed/allNewsfeed.php";
	var url = '';	
	sendRequest("POST", f.action, url, true,
			"okActionNewsfeed()", "koActionNewsfeed()", "errorActionNewsfeed()");
	return false;
}
function okActionNewsfeed() {
	var htmlNewsfeed = req.responseText.substring(0, req.responseText.indexOf('<result>'));
	$('moreNewsfeed').set('html', htmlNewsfeed);	
}
function koActionNewsfeed() {
	document.location.href= "/";
}
function errorActionNewsfeed() {
	document.location.href= "/";
}