function open01() {
var w;
w = window.open("../book/index.html","book","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=no,width=950,height=500");

w.window.focus();
wx = 950;
wy = 500;
x = (screen.width - wx ) / 2;
y = (screen.height -wy ) / 2;
w.window.moveTo(x,y);
}
function open02() {
var w;
w = window.open("book/index.html","book","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=no,width=950,height=500");

w.window.focus();
wx = 950;
wy = 500;
x = (screen.width - wx ) / 2;
y = (screen.height -wy ) / 2;
w.window.moveTo(x,y);
}