// A function to set the navigation link style to 'selected' if it
// matches current page.
function setNavLinkStyle()
{
    var url = window.location.pathname;
    var pageStart = url.indexOf('Browse/');
    if(pageStart) {
	var pageStr = url.slice(pageStart+7);
	var pageEnd = pageStr.indexOf('/');
	if(pageEnd > 0)
	    pageStr = pageStr.slice(0, pageEnd);
	var elem;
	if(elem = document.getElementById('Nav'+pageStr)) {
	    elem.className = 'navselect';
	}
    }
}