function Get(e){
	return document.getElementById(e);
}

var nav = Get('FeedBackNav');
nav.style.display = 'block';

var intro = {div:Get('Intro')};
var begin = {tab:Get('BeginTab'), div:Get('Begin')};
var strips = {tab:Get('StripsTab'), div:Get('Strips')};
var gen = {tab:Get('GeneralTab'), div:Get('General')};
var showing = intro.div;

intro.div.setAttribute('class', 'short1');
begin.div.setAttribute('class', 'short1');

begin.div.style.display='none';
strips.div.style.display='none';
gen.div.style.display='none';

begin.tab.onclick = function(){showing = Show(begin.div, showing)};
strips.tab.onclick = function(){showing = Show(strips.div, showing)};
gen.tab.onclick = function(){showing = Show(gen.div, showing)};

function Show(d, h){
	h.style.display='none';
	d.style.display='block';
	return d;
}