function executeTab (tabData) {
	tabData.className = "chooseActive";
}
	
function showTabData (idForDisplay) {
	var selectedVideos = document.getElementById('selected-videos');
	var lastNew = document.getElementById('last-new');
	var recentlyPopular = document.getElementById('recently-popular');
	var highestRated = document.getElementById('highest-rated');
	
	var choose1 = document.getElementById('choose1');
	var choose2 = document.getElementById('choose2');
	var choose3 = document.getElementById('choose3');
	var choose4 = document.getElementById('choose4');
		
	selectedVideos.style.display = "none";
	lastNew.style.display = "none";
	recentlyPopular.style.display = "none";
	highestRated.style.display = "none";
		 
	choose1.className = "";
	choose2.className = "";
	choose3.className = "";
	choose4.className = "";
		
	if (idForDisplay == "selected_videos") {	
		selectedVideos.style.display = "block";
		executeTab (choose1);
	} else if (idForDisplay == "last_new") {
		lastNew.style.display = "block";
		executeTab (choose2);
	} else if (idForDisplay == "recently_popular") {
		recentlyPopular.style.display = "block";
		executeTab (choose3);
	} else if (idForDisplay == "highest_rated") {
		highestRated.style.display = "block";
		executeTab (choose4);
	}
}