심플gnb

div id="main1" class="menu">1</div>

<div id="main2" class="menu">2</div>

<div id="main3" class="menu">3</div>

<div id="main4" class="menu">4</div>

<div id="main5" class="menu">5</div>

<div id="main6" class="menu">6</div>

<div class="g_snb1 view">내용1</div>

<div class="g_snb2 view">내용2</div>

<div class="g_snb3 view">내용3</div>

<div class="g_snb4 view">내용4</div>

<div class="g_snb5 view">내용5</div>

<div class="g_snb6 view">내용6</div>

$('.menu').click(function () {

var idx = $(this).index();

alert(idx);

$(".view").hide();

$(".view").eq(idx).show();

});