var navContent = "";

////////////////////////////////////////////////////////////

<!-- Main Navigation - Concerts -->

navContent += "<ul>";

if(activeButtons[0]!="concerts_overview")
	navContent += "<li><a href=\"concerts_overview.php\">Season Overview</a></li>";
else
	navContent += "<li id=\"nav2current\"><a href=\"concerts_overview.php\">Season Overview</a></li>";

if(activeButtons[0]!="concerts_holiday")
	navContent += "<li><a href=\"concerts_holiday.php\">Holiday Concert</a></li>";
else
	navContent += "<li id=\"nav2current\"><a href=\"concerts_holiday.php\">Holiday Concert</a></li>";
	
if(activeButtons[0]!="concerts_spring")
	navContent += "<li><a href=\"concerts_spring.php\">Spring Concert</a></li>";
else
	navContent += "<li id=\"nav2current\"><a href=\"concerts_spring.php\">Spring Concert</a></li>";

if(activeButtons[0]!="concerts_pride")
	navContent += "<li><a href=\"concerts_pride.php\">Pride Concert</a></li>";
else
	navContent += "<li id=\"nav2current\"><a href=\"concerts_pride.php\">Pride Concert</a></li>";

if(activeButtons[0]!="concerts_brunch")
	navContent += "<li><a href=\"concerts_brunch.php\">Drag Brunch</a></li>";
else
	navContent += "<li id=\"nav2current\"><a href=\"concerts_brunch.php\">Drag Brunch</a></li>";

if(activeButtons[0]!="concerts_cabaret")
	navContent += "<li><a href=\"concerts_cabaret.php\">Chorus Cabaret</a></li>";
else
	navContent += "<li id=\"nav2current\"><a href=\"concerts_cabaret.php\">Chorus Cabaret</a></li>";
	
if(activeButtons[0]!="concerts_venues")
	navContent += "<li><a href=\"concerts_venues.php\">Performance <br />Venues</a></li>";
else
	navContent += "<li id=\"nav2current\"><a href=\"concerts_venues.php\">Performance <br />Venues</a></li>";

navContent += "</ul>";

////////////////////////////////////////////////////////////

document.write(navContent);