function openWindow1() {
window.open("http://www.letsb-b.com/jyoho.html","Window1","resizable=1,scrollbars=1,toolbar=0,width=550,height=680");
}

function openWindow2() {
window.open("http://www.letsb-b.com/what-bb.html","Window2","resizable=1,scrollbars=1toolbar=0,width=580,height=700");
}

function openWindow3() {
window.open("http://www.letsb-b.com/icon.html","Window3","resizable=1,toolbar=0,width=500,height=550");
}

function openWindow4() {
window.open("http://www.letsb-b.com/nosmoking.html","Window4","resizable=1,toolbar=0,width=520,height=300");
}

function openWindow5() {
window.open("heavy-editJ.html","Window1","resizable=0,toolbar=0,width=520,height=250");
}

function openWindow6() {
window.open("revisionJ.html","Window1","resizable=0,toolbar=0,width=520,height=250");
}