function ajax_doUpdaterMove(content_div, url)
		{

			new Ajax.Updater(content_div,url, {
				onCreate: new Function("ajax_spin_div('" +content_div+ "');"),
				'method':'get',
				'parameters':'asAjax=Y',
				'evalScripts': true,
				'onComplete':  function() { treeExplorerHandle = new AllTreeExplorer();}
			});
			return false;
		}


function bk_show_book_link()
{
	url_info = $('widget_url_info');
	url_info.style.display='block';
	$('url_info_link').focus();
	$('url_info_link').select();
}

function bk_hide_book_link()
{
	url_info = $('widget_url_info');
	url_info.style.display='none';
}

function nav_beforeCopyFromIE()
{
	$('section_container').addClassName('whiteBackground');
}

function nav_afterCopyFromIE()
{
	$('section_container').removeClassName('whiteBackground');
}