var targetUser;
var changeTargetUser = function(user){
	var tabDev = document.getElementById('tabDeveloper');
	var tabAdm = document.getElementById('tabAdministrator');
	var tabBgn = document.getElementById('tabBeginer');
	var elmDev = document.getElementById('headlineForDeveloper');
	var elmAdm = document.getElementById('headlineForAdministrator');
	var elmBgn = document.getElementById('headlineForBeginer');
	var h = '';
	switch (user){
		case 'developer':
			tabDev.className = "selected"; tabAdm.className = ""; tabBgn.className = ""; 
			elmDev.style.display = "block"; elmAdm.style.display = "none"; elmBgn.style.display = "none";
			h = 'developer';
			break;
		case 'administrator':
			tabDev.className = ""; tabAdm.className = "selected"; tabBgn.className = ""; 
			elmDev.style.display = "none"; elmAdm.style.display = "block"; elmBgn.style.display = "none";
			h = 'administrator';
			break;
		default:
			tabDev.className = ""; tabAdm.className = ""; tabBgn.className = "selected"; 
			elmDev.style.display = "none"; elmAdm.style.display = "none"; elmBgn.style.display = "block";
	}
	if (h != location.hash) location.hash = h;
	targetUser = user;
};
window.onload = function(){
	var user = location.hash.replace('#','');
	switch (user){
		case 'developer':
		case 'administrator':
			changeTargetUser(user);
			break;
		default:
			changeTargetUser('beginer');
	}
};