var numTotal = document.getElementsByName('companyList').length;
  var i = 0;
  var showNum = 9;
  var speed = 5000;
  init();
  $("div#logo_navi").animate( { marginLeft: "-160px" }, speed, 'linear');
  function init() {
    for(i = 0; i < showNum; i++) {
      addElem();
    }
  }
  function scroller() {
    if ($("div#logo_navi").css("marginLeft") == "-160px") {
      rmElem();
      addElem();
      i++;
      $("div#logo_navi").css("marginLeft", "0px");
      $("div#logo_navi").animate( { marginLeft: "-160px" }, speed, 'linear');
    }
  }
  function addElem() {
    if (i >= numTotal) {
      i = 0;
    }
    var src = document.getElementsByName('companyList')[i].src;
    var link = document.getElementsByName('companyList')[i].title;
    $("div#logo_navi").append('<p class="scroller" style="padding: 8px 10px 8px 0; float: left; margin: 0;"><a href="http://www.satei-fbnavi.jp/company/'+link+'"><img src="'+src+'" width="150" height="29" /></a></p>');
  }
  function rmElem() {
    $("p.scroller:first").remove();
  }
  setInterval(scroller, 1);