function openWindow1() {
window.open("https://gt101.secure.ne.jp/~gt101211/toiawase.html","","WIDTH=650,HEIGHT=700,scrollbars,resizable");
}

function openWindow2() {
window.open("https://gt101.secure.ne.jp/%7egt101211/res.html","","WIDTH=650,HEIGHT=700,scrollbars,resizable");
}

function openWindow3() {
window.open("https://gt101.secure.ne.jp/%7egt101211/siryou.html","","WIDTH=650,HEIGHT=700,scrollbars,resizable");
}

function openWindow4() {
window.open("coupon.html","","WIDTH=740,HEIGHT=400,scrollbars,resizable");
}

function slowdownScroll() {
   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {
      sctop = document.body.parentNode.scrollTop;
   }
   else if(window.pageYOffset){
      sctop = window.pageYOffset;
   } else {
      sctop = document.body.scrollTop;
   }

   if(sctop){
      scup = Math.ceil(sctop*.2);
      scrollBy(0,-scup);
      if (sctop-scup) setTimeout("slowdownScroll()",20);
   }
}