// ==================================================== ロールオーバーとプリロード
function initRollOverImages() {
  var image_cache = new Object();
  $("img.swap").each(function(i) {
    var imgsrc = this.src;
    var dot = this.src.lastIndexOf('.');
    var imgsrc_on = this.src.substr(0, dot) + '_on' + this.src.substr(dot, 4);
    image_cache[this.src] = new Image();
    image_cache[this.src].src = imgsrc_on;
    $(this).hover(
      function() { this.src = imgsrc_on; },
      function() { this.src = imgsrc; });
  });
}

$(document).ready(initRollOverImages);

// ==================================================== 奇数、偶数を追加
$(function(){
		   
  $('.stripe li:odd').addClass('evenline');
  $('.stripe li:even').addClass('oddline');
  
});

$(function(){
		   
  $('.stripe td:odd').addClass('evenline');
  $('.stripe td:even').addClass('oddline');
  
});

$(function(){
		   
  $('.stripe tr:odd').addClass('evenline');
  $('.stripe tr:even').addClass('oddline');
  
});

// ==================================================== スムーズスクロール
function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 25);
  }
}


// ==================================================== css3のクラスを追加
$(function(){
		   
	//:first-child, :last-childをクラスとして追加
	$('body :first-child').addClass('firstChild');
	$('body :last-child').addClass('lastChild');
	//css3の:emptyをクラスとして追加
	$('body :empty').addClass('empty');
  
});


// ==================================================== 別ウインドウ
function openBrWindow(w,h) { 
  var BETUWIN01;
  BETUWIN01=window.open("","win01","width="+w+",height="+h+",toolbar=no,menubar=no,directories=no,location=no,status=no,scrollbars=yes,resizable=yes");
  BETUWIN01.focus();
}


// ==================================================== TAB切替
$(document).ready(function(){
$('#tabs div').hide();
$('#tabs div:first').show();
$('#tabs ul li:first').addClass('active');

$('#tabs ul li a').click(function(){
$('#tabs ul li').removeClass('active');
$(this).parent().addClass('active');
var currentTab = $(this).attr('href');
$('#tabs div').hide();
$(currentTab).show();
return false;
});
});