if (document.images) {
//イメージのpreload
  imgfile = new Array();
  imgfile[0]=new Image(); imgfile[0].src="image/T-01.jpg";
  imgfile[1]=new Image(); imgfile[1].src="image/T-02.jpg";
  imgfile[2]=new Image(); imgfile[2].src="image/T-03.jpg";
}
//スライドショー
timerID = 0;
indx = 0;
function slideShow() {
  if (document.images) {
    document.slideimg.src = imgfile[indx].src;
    indx++;
    if (indx >= imgfile.length) indx = 0;
    clearTimeout(timerID);
    timerID = setTimeout("slideShow()",6000); 
  }
}