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function clearNavText(){

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function getNavText(elemID){

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		case 'ch_01':

			strNavText = '<b>Introduction</b> (3:38)<br />A biography of the American poet Walt Whitman.';

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		case 'ch_02':

			strNavText = '<b>The Center of Everything</b> (7:22)<br />From a working class Long Island family, 21-year-old Walt Whitman sets out to make his name in New York City.';

			break;

		case 'ch_03':

			strNavText = '<b>Captured by the City</b> (10:55)<br />As a newspaperman, Whitman stakes out radical positions. Wandering New York\'s crowded streets he finds inspiration in the flood of humanity and the city\'s promise.';

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		case 'ch_04':

			strNavText = '<b>Slavery and the Coming Crisis</b> (10:52)<br />In New Orleans, Whitman encounters a racially mixed society -- and the stark fact of human bondage. He searches for a poetic voice to unite the fraying body politic.';

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		case 'ch_05':

			strNavText = '<b><i>Leaves of Grass</i></b> (13:30)<br />With great faith in its power to heal the nation, Whitman publishes <i>Leaves of Grass</i> in 1855.';

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		case 'ch_06':

			strNavText = '<b>Desperate to Connect</b> (11:27)<br />American literary lion Ralph Waldo Emerson writes to encourage Whitman, though <i>Leaves of Grass</i> sells poorly. A second edition includes new poems.';

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		case 'ch_07':

			strNavText = '<b>A Call for Affection</b> (13:24)<br />Whitman\'s romance with a young Irishman ends sadly. He suffers, but translates his experience to poetry, believing affection is the key to national healing.';

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		case 'ch_08':

			strNavText = '<b>The Civil War</b> (8:20)<br />Whitman volunteers to care for wounded Union soldiers in Washington, D.C.';

			break;

		case 'ch_09':

			strNavText = '<b><i>Drum Taps</i></b> (8:40)<br />Whitman is exhausted by his hospital efforts. He writes poetry in memory of the dead.';

			break;

		case 'ch_10':

			strNavText = '<b>His Life\'s Work</b> (12:50)<br />Living in Camden, New Jersey, Whitman reconceives <i>Leaves of Grass</i>. His old age becomes a poetic subject.';

			break;

		case 'ch_11':

			strNavText = '<b>Credits</b> (2:45)<br />Production credits for the television program.';

			break;

		

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}



// for preloading images and rollovers

var aryLoadImg = new Array();

var ncImgOver = '_over';

var ncClsRoll = 'roll';



function loadImg(imgFile, imgType){

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}



function swapImg(imgId, imgSrc){ if(document.images){ document.images[imgId].src = imgSrc; } }



function initImages() {

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function swap(elemID, imgSrc){ if(document.images){ document.images[elemID].src = imgSrc; } }



// utility function for safe class name managment

function manClsNames( action, obj, cls1, cls2 ){

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		break;

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}



// function called when DOM is loaded

function initPage() {

	if (arguments.callee.done) return; // quit if this function has already been called

	arguments.callee.done = true; // flag this function so called only oce

	// do stuff

	initNavLinks();

	initImages();

}



// for Mozilla based browsers

if (document.addEventListener) {

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}



// for Internet Explorer

/*@cc_on @*/

/*@if (@_jscript)

   document.write('<script type="text/javascript" defer src=../js/ie_dom_loaded.js></script>');

/*@end @*/



/* for other browsers */

window.onload = initPage;