function fadeHeadlineIn() {
	headline = document.getElementById("headline");
	alpha = parseFloat(headline.style.opacity) + 0.05;
	if (alpha < 1) {
		headline.style.opacity = alpha;
		setTimeout("fadeHeadlineIn()", 10);
	} else {
		headline.style.opacity = 1.0;
		setTimeout("fadeHeadlineOut()", 5000);
	}
}

function fadeHeadlineOut() {
	headline = document.getElementById("headline");
	alpha = parseFloat(headline.style.opacity) - 0.02;
	if (alpha > 0) {
		headline.style.opacity = alpha;
		setTimeout("fadeHeadlineOut()", 10);
	} else {
		headline.style.opacity = 0;
		displayNextHeadline();
	}
}

var headlines = new Array(
"March 23, 2010: <a href=\"/openings/\">Chess Openings — the latest iPhone and iPod touch app from Arizona Software</a>",
"October 10, 2009: <a href=\"/provoc/\">ProVoc 4.2.4 is now available</a>",
"May 30, 2009: <a href=\"/ilocalize/\">iLocalize 3.8.3 is now available</a>",
"March  2, 2009: <a href=\"/unit/\">Unit — the latest unit converter for iPhone and iPod touch from Arizona Software</a>",
"December 18, 2008: <a href=\"/xfractal/\">xFractal — Fractals on your iPhone</a>",
"September  2, 2008: <a href=\"http://boinx.com/press/pi/boinx-software-acquires-photopresenter/\">Boinx Software acquires PhotoPresenter</a>",
"May 25, 2008: <a href=\"/graphclick/\">GraphClick 3.0 is now available</a>",
		"");
var headlineIndex = 0;

function displayNextHeadline() {
	headline = document.getElementById("headline");
	headline.innerHTML = headlines[headlineIndex];
	headlineIndex = (headlineIndex + 1) % (headlines.length - 1);
	headline.style.opacity = 0.0;
	setTimeout("fadeHeadlineIn()", 500);
}