function highlight() {
	
	for( var i = 0; i < filmstrip_lis.length; i++ ) {
			var li = filmstrip_lis[i];
			if( li.style ) {
				img = li.firstChild;
				
				var span = li.getElementsByTagName("SPAN");
				
				if( span.length > 0 ) {
					span.item(0).style.display = "none";
				}
				
				if( img && img.style ) {
					img.style["-moz-opacity"] = ".50";
					img.style.opacity = ".50";
					img.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=50)";
				}
			}
	}
	
	
	this.style["-moz-opacity"] = "1";
	this.style.opacity = "1";
	this.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=100)";
	
}

function highlight_off() {
	
	for( var i = 0; i < filmstrip_lis.length; i++ ) {
			var li = filmstrip_lis[i];
			if( li.style ) {
				img = li.firstChild;
				
				var span = li.getElementsByTagName("SPAN");
				
				if( span.length > 0 ) {
					span.item(0).style.display = "none";
				}
				
				if( img && img.style ) {
					img.style["-moz-opacity"] = ".50";
					img.style.opacity = ".50";
					img.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=50)";
				}
			}
	}
	
				
	selected.firstChild.style["-moz-opacity"] = "1";
	selected.firstChild.style.opacity = "1";
	selected.firstChild.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=100)";
	
}

change_image = function( i ) {
	for( var j = 0; j < filmstrip_lis.length; j++ ) {
		var li = filmstrip_lis[j];
		if( li.firstChild.src.indexOf( i ) != -1 ) {
			selected = li;
		}
	}
	var old_image = document.getElementById("img_hold").firstChild;
	var new_image = document.createElement("img");
	new_image.src = "images/visual/" + i + ".jpg";
	document.getElementById("img_hold").insertBefore( new_image, old_image );
	document.getElementById("img_hold").removeChild( old_image );
	var old_caption = document.getElementById("caption_hold").firstChild;
	var new_caption = document.createTextNode( captions[ i ] );
	document.getElementById("caption_hold").insertBefore( new_caption, old_caption );
	document.getElementById("caption_hold").removeChild( old_caption );	
}


captions = new Array();
captions[ '4001F' ] = "Celebrating his 7th birthday in high style, 1957";
captions[ '4002F' ] = "A smiling Bobby on holiday in Maine, 1956";
captions[ 'early1_f' ] = "Bobby's First Communion";
captions[ 'early3_f' ] = "At the piano, accompanying sister Brenda";
captions[ 'early4_f' ] = "Coming in from the cold with his sister Brenda";
captions[ 'early5_f' ] = "";
captions[ '5004F' ] = "Bobby works with students during a Denison University residency, May 2003. (Photo by Todd Seimer.)";

captions[ '5007F' ] = "Bobby and a future arranger study a score at the Music Educators Conference in Kansas City, April 2003.";
captions[ '5006F' ] = "Singing loud at the University of Florida, February 2003 (Photo by Rob Witzel)";
captions[ '5002F' ] = "Bobby and bassist at the Berlin Academy of the Arts, 2001";
captions[ '5001F' ] = "Accompanying dancers at Harvard, March 2002 (photo by Rose Lincoln)";
captions[ '6001F' ] = "Bobby celebrates a Grammy with legendary singer John Hendricks, 1986";
captions[ '6003F' ] = "Bobby with Richard Bona, Gil Goldstein, and Omar Hakim on the promotional tour of \"Beyond Words\" (2003)";
captions[ '6004F' ] = "An undated photo of Bobby and Chick Corea";
captions[ '6002F' ] = "Bobby and Al, July 2000 in Hannover, Germany";
captions[ '6005B' ] = "Bobby and Yo-Yo Ma";
captions[ '8004F' ] = "";
captions[ '7004F' ] = "Bobby and Voicestra on their September 2002 European tour. Pictured (from l to r): Marlon Saunders, Pierre Cook, Roger Treece, Nick Bearde, Joey Blake (kneeling), Dave Worm, Bobby, Judi Donaghy (in rear), Janis Seigel, Rhiannon, Beth Quist, and Kirsten Falke-Boyd";
captions[ '7001F' ] = "Bobby leads the Vienna Philharmonic in rehearsal at the famed Musikverein, September 2003 (Photo by Armin Bardel)";
captions[ '5003F' ] = "Bobby gives some pointers during a residency at Harvard University, March 2002 (photo by John Chase)";
captions[ '8003F' ] = "";
captions[ '8005F' ] = "Bobby, circa mid 1980s";
captions[ '8001F' ] = "Bobby sings out at the Umbria Jazz Festival, July 2003 (photo by Giancarlo Belfiore)";
captions[ '8006F' ] = "";
captions[ '8002F' ] = "";

old_onload = window.onload;

window.onload = function() {
	old_onload();

	fs = document.getElementById("filmstrip");
	filmstrip_lis = fs.getElementsByTagName("A");

	for( var i = 0; i < filmstrip_lis.length; i++ ) {
		var li = filmstrip_lis[ i ];
		li.firstChild.onmouseover = highlight;
		li.firstChild.onmouseout = highlight_off;
		li.style.zIndex = 20 - i;
	}

	change_image('4001F');
	highlight_off();
}