function imgChg(target){
  for(i=1;i<=6;i++){
    document.getElementById("photo"+i).style.display="none";
  }
  document.getElementById("photo"+target).style.display="block";
}

//コスチューム補完用ウィンドウオープン
function coswin(targ){
url =targ;
winheight = screen.height*0.9;
prop = 'width=760,winheight,scrollbars=yes,resizable=yes'
win = window.open(url,'coswin',prop);
win.focus();
}