// JavaScript Document
function switchTagactivity(tagactivity,contentactivity)
{
  for(i=1; i <5; i++)
  {
    if ("tagactivity"+i==tagactivity)
    {
      document.getElementById(tagactivity).getElementsByTagName("span")[0].getElementsByTagName("a")[0].className="selectli"+i;
      document.getElementById(tagactivity).getElementsByTagName("span")[0].className="selectspan"+i;
    }else{
      document.getElementById("tagactivity"+i).getElementsByTagName("span")[0].getElementsByTagName("a")[0].className="";
      document.getElementById("tagactivity"+i).getElementsByTagName("span")[0].className="";
    }
    if ("contentactivity"+i==contentactivity)
    {
      document.getElementById(contentactivity).className="contentactivity";
    }else{
      document.getElementById("contentactivity"+i).className="hidecontentactivity";
    }
    document.getElementById("contentactivity").className=contentactivity;
  }
}