function open_window(url) {mywin =
window.open(url,"win",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=650,height=700');}
function open_window1(url) {mywin =
window.open
(url,"win",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=275,height=700');}
function open_window2(url) {mywin =
window.open
(url,"win",'toolbar=0,location=0,200,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=650,height=1100');}
function open_window3(url) {mywin =
window.open
(url,"win",'toolbar=0,location=0,200,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=650,height=650');}