//JavaScript Document

//ロールオーバー----------------------------------------
function changeimg(iName,str)
{
document.images[iName].src = "http://www.jazz-party.com/img/b/" + str + ".gif";
}
//------------------------------------------------------

//プリロードイメージ------------------------------------------

a = new Image();
a.src = "img/b/k01.gif";
(new Image()).src = "http://www.jazz-party.com/img/b/k01_1.gif";
(new Image()).src = "http://www.jazz-party.com/img/b/k01_2.gif";
(new Image()).src = "http://www.jazz-party.com/img/b/k01_3.gif";
(new Image()).src = "http://www.jazz-party.com/img/b/k01_4.gif";
(new Image()).src = "http://www.jazz-party.com/img/b/k01_5.gif";
(new Image()).src = "http://www.jazz-party.com/img/b/k01_6.gif";
(new Image()).src = "http://www.jazz-party.com/img/b/k01_7.gif";
//------------------------------------------------------

//上へスクロール------------------------------------------
var scrj = 1;
function softScrollBack() {
   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {
      var scdist = document.body.parentNode.scrollTop;
   } else {
      var scdist = document.body.scrollTop;
   }
   if(scrj<50 && scdist) {
      scdist = (scdist>2) ? Math.ceil(scdist*.2) : 1;
      scrj++;
      scrollBy(0,-scdist);
      setTimeout("softScrollBack()",20);
   } else {
      scrollTo(0,0);
      scrj = 1;
   }
}
//------------------------------------------------------