//イメージの事前読み込み
if(document.images){
  movimg=new Array()
  movimg[1] = new Image();movimg[1].src='../../images/merchandizer/demo/img_demo01.jpg';
  movimg[2] = new Image();movimg[2].src='../../images/merchandizer/demo/img_demo02.jpg';
  movimg[3] = new Image();movimg[3].src='../../images/merchandizer/demo/img_demo03.jpg';
  movimg[4] = new Image();movimg[4].src='../../images/merchandizer/demo/img_demo04.jpg';
  movimg[5] = new Image();movimg[5].src='../../images/merchandizer/demo/img_demo05.jpg';
  movimg[6] = new Image();movimg[6].src='../../images/merchandizer/demo/img_demo06.jpg';
  movimg[7] = new Image();movimg[7].src='../../images/merchandizer/demo/img_demo07.jpg';
  movimg[8] = new Image();movimg[8].src='../../images/merchandizer/demo/img_demo08.jpg';
  new Image().src='../../images/merchandizer/demo/bg_demoindex_on.gif';
}

//画像書き換え
function changImg1(imgNo){
  if(document.images)document.images['img1'].src = movimg[imgNo].src
}