// JavaScript to interpolate random images into a page.
    var ic = 4;     // Number of alternative images
    var pic1 = new Array(ic);  // Array to hold filenames
     var pic1cap = new Array (ic); // Array to hold caption 

//    var pic2 = new Array(ic);  // Array to hold filenames
        
pic1[0] = "header_06.jpg";
pic1cap[0] = "Photo courtesy of Chris Eyre and Scott Garen";

pic1[1] = "header_07.jpg";
pic1cap[1] = "Lapowinsa, Chief of the Lenape";

pic1[2] = "header_08.jpg";
pic1cap[2] = "Mohegan sun at dusk, posted by grendelkhan";

pic1[3] = "header_05.jpg";
pic1cap[3] = "Image of Stephen Talkhouse";

function pickRandom(range) {
if (Math.random)
return Math.round(Math.random() * (range-1));
else {
var now = new Date();
return (now.getTime() / 1000) % range;
}
}
// Write out an IMG tag, using a randomly-chosen image name.
var choice1 = pickRandom(ic);

document.write('<style type="text/css"> #firstlevel #nativeimage {background: url(/docs/IO/6487/'+ pic1[choice1] +') no-repeat top; width: 535px; height:162px; position:relative; z-index:1; } </style>');
document.write('<div id="nativeimage"></div>');
document.write('</td><td width="272px" align="left" valign="top">');
document.write('<div id="caption">'+pic1cap[choice1]+'</div>');
                                                
function addCh(str) {
document.getElementById('comment').value+=str;
//  document.form.comment.focus();
}