var slides = new Array(5);

slides[0] = new slide("#3a3a99","#ffffff","blueWhale.gif", 
"<h3>The Blue Whale</h3><ul><li>The blue whale is the largest animal on earth--ever</li>"+
"<li>The blue whale's heart is the size of a VW Rabbit</li>"+
"<li>In the first weeks of its life, a baby blue whale gains 200 lbs a day.</li></ul>");

slides[1] = new slide("#000000","#ffffff","giantSquid.jpg", 
"<h3>The giant Squid</h3><ul><li>Estimated to reach sizes of up to 60 feet</li>"+
"<li>The giant squid has the largest eye in the animal kingdom--over a foot in diameter</li>"+
"<li>Giant squid are filled with ammonia to help them maintain neutral buoyancy</li></ul>");

slides[2] = new slide("#497ecf","#ffffff","greatWhite.jpg", 
"<h3>Great White Shark</h3><ul><li>Can grow up to 21 feet</li>"+
"<li>The great white has over 3000 teeth.</li>"+
"<li>Great white sharks take nine years to mature and females only reproduce twice in their lifetime.</li></ul>");

slides[3] = new slide("#262030","#ffffff","giantClam.jpg",
"<h3>Giant Clam</h3><ul><li>Can grow up to 4 feet long</li>"+
"<li>For years it was known as a 'man-eater', but there are no authenticated deaths attributed to it.</li>"+
"<li>Endangered because it is considered a delicacy and people use the shells for basins, birdbaths, etc.</li></ul>");

slides[4] = new slide("#f8e8aa","#040404","horseshoe.jpg",
"<h3>Horseshoe Crab</h3><ul>"
+"<li>Not really a crab; more closely related to scorpians, spiders"
+" and ticks</li>"
+"<li>Entirely harmless. Tail is not a stinger</li>"
+"<li>Evolved into its present state about 300 million years ago</li>"
+"<li>Have two sets of eyes</li>"
+"<li>Unlike almost all other animals, its blood is copper based"
+" rather than iron based</li></ul>");

function showBanner() {
	ix = Math.round(10000 * Math.random()) % 5;
	banner = document.getElementById("header");
	sss = slides[ix];
	banner.style.backgroundColor = sss.bgc;
	html = "<table cellpadding='0' cellspacing='0'><tr valign='top'><td><img src='/~dfrancis/oceanImg/"+sss.img+"' /></td><td style='color:"+sss.fgc+"'>"+sss.txt+"</td></tr></table>";
	banner.innerHTML = html;
}

function slide( bgc, fgc, img, txt) {
	this.bgc = bgc;
	this.fgc = fgc;
	this.img = img;
	this.txt = txt;
}