var br = 'Unknown';

$(document).ready(function() {
	setCenterPos();

    if (br!='Google Chrome') {
        $(".downbtn").hide();
        $("#chromedownbtn").show();
        $("#step3").attr("src","img/step3_ie.png");
        $("#chromebtns").hide();
    }

	$('.carousel').carousel({
	  interval: 3000,
      wrap:false
	});

    $('.carousel').on('slid.bs.carousel', function () {
      // do something…
      currentIndex = $('div.active').index();
      
      if (currentIndex==0) {
        $("#leftbtn").hide();
      }

      if (currentIndex==1) {
        $("#leftbtn").show();
        $("#rightbtn").show();
      }

      if (currentIndex==2) {
        $("#rightbtn").hide();
      }
    })
});

$( window ).resize(function() {
	setCenterPos();
});

function setCenterPos() {
	var w = window.innerWidth;
	var h = window.innerHeight;  
	var main = $("#wrap");
    h = parseInt((h - 943) / 2);
    if (h<0) h=0;

    main.css("margin-top",  + 'px');
    main.css("margin-left", parseInt((w - 1280) / 2) + 'px');
}

function go3030() {
	if (br=='Google Chrome') window.open('https://chrome.google.com/webstore/detail/3030-%EC%98%A8%EB%9D%BC%EC%9D%B8/nfnlddmnamhjacoclniofklcefghbdei?utm_source=gmail');
	else $('.carousel').carousel(2);
}