var next_rss = "";

function get_next_item() {
	get_request('/feed_item.php', 'exec');
	return false;
}

function new_rss_item(txt) {
	next_rss = txt;
	fade_out(100);
}

function change_rss_item(i) {
	i.innerHTML = next_rss;
	set_opacity(i, 100);
}

function fade_out(o) {
	var i = document.getElementById('rssitem');
	if(o < 0) {
		change_rss_item(i);
	} else {
		set_opacity(i, o);
		setTimeout('fade_out(' + (o-25) + ')', 10);
	}
}

function previous() {
	get_request('/feed_item.php', 'exec');
	return false;
}


function set_opacity(obj, o) {
	if(!obj) return;
	obj.style.opacity = (o / 100);
	obj.style.MozOpacity = (o / 100);
	obj.style.KhtmlOpacity = (o / 100);
	obj.style.filter = 'alpha(opacity=' + o + ')';
}