document.nv_selected = 0;
var top_bar = new Array('story_top', 'top_orange', 'top_green', 'top_blue', 'top_yellow');
function nv_show_summary(nv_i) {
	var nv_old = document.nv_selected;
	
	$('news_story_top_' + nv_old).style.display = 'none';
	$('news_story_top_' + nv_i).style.display = 'block';
	
	$('nv_content_' + nv_old).style.display = 'none';
	$('nv_content_' + nv_i).style.display = 'block';
	
	$('nv_low_' + nv_old).style.display = 'none';
	$('nv_low_' + nv_i).style.display = 'block';
	//
	//document.getElementById('nv_low_1').style.display = 'block';
	//alert(document.getElementById('nv_low_1').style.display);
	
	$('nv_story_' + nv_old).style.display = 'none';
	$('nv_story_' + nv_i).style.display = 'block';
	//document.getElementById('nv_story_' + nv_old).style.display = 'none';
	//document.getElementById('nv_story_' + nv_i).style.display = 'block';
	
	var news_story_top_image = "../content/images/news_" + top_bar[nv_i] + ".png";
	
	//$('news_story_top').setStyle('backgroundImage', 'url('+news_story_top_image+')');
	
	document.nv_selected = nv_i;
}