function openWindow1(){
sub=window.open("detail1.html","IHI","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=900,height=675");
sx=900;
sy=675;

x=(screen.width-sx)/2;
y=(screen.height-sy)/2;
sub.moveTo(x,y);
sub.onLoad="focus()"
}

function openWindow2(){
sub=window.open("detail2.html","IHI","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=900,height=675");
sx=900;
sy=675;

x=(screen.width-sx)/2;
y=(screen.height-sy)/2;
sub.moveTo(x,y);
sub.onLoad="focus()"
}

function openWindow3(){
sub=window.open("detail3.html","IHI","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=900,height=675");
sx=900;
sy=675;

x=(screen.width-sx)/2;
y=(screen.height-sy)/2;
sub.moveTo(x,y);
sub.onLoad="focus()"
}