function openwin1(){
window.open("letter/index_0901.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin2(){
window.open("letter/index_0902.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin3(){
window.open("letter/index_0903.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin4(){
window.open("letter/index_0904.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin5(){
window.open("letter/index_0905.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin6(){
window.open("letter/index_0906.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin7(){
window.open("letter/index_0907.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin8(){
window.open("letter/index_0908.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin9(){
window.open("letter/index_0909.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin10(){
window.open("letter/index_0910.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin11(){
window.open("letter/index_0911.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin12(){
window.open("letter/index_0912.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin13(){
window.open("letter/index_1001.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin14(){
window.open("letter/index_1002.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin15(){
window.open("letter/index_1003.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin16(){
window.open("letter/index_1004.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin17(){
window.open("lunch/index_1004.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin18(){
window.open("letter/index_1005.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin19(){
window.open("letter/index_1006.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}
function openwin20(){
window.open("letter/index_1007.html","letter","width=1020,height=700,left=20,top=20'toolbar=no,scrollbars=yes,resizable=yes");
}