function showimg(i){

  switch(i){
  case 1:
    document.photo.src = "imges/home/anim/image01.jpg";
    document.getElementById("anc").href = "service/studentMarke.html";
    break;
  case 2:
    document.photo.src = "imges/home/anim/image02.jpg";
    document.getElementById("anc").href = "service/internetConsul.html";
    break;
  case 3:
    document.photo.src = "imges/home/anim/image03.jpg";
    document.getElementById("anc").href = "service/internetMedia.html";
    break;
  case 4:
    document.photo.src = "imges/home/anim/image04.jpg";
    document.getElementById("anc").href = "service/socialDhurandaru.html";
    break;
  case 5: 
    document.photo.src = "imges/home/anim/image05.jpg";
    document.getElementById("anc").href = "http://givery.co.jp/recruit/index.html";
    break;
  default:  
  }
}


//var num=2;
//　function timer(){
//　　if(document.photo.complete){
//　　document.photo.src="img/topimg/image"+num+".jpg";
//	document.getElementById("anc").href = "http://givery.co.jp/";
//　　num++;if(num>05)num=01;
//　　}
//setTimeout('timer()',2000);
//}