function openwin(url) {
 w = window.open(url, 'win','width=300,height=350,status=no,scrollbars=no,directories=no,menubar=no,resizable=yes,toolbar=no');
}
function openwin1(url) {
 w = window.open(url, 'win','width=750,height=420,status=no,scrollbars=no,directories=no,menubar=no,resizable=no,toolbar=no');
}
function openwin2(url) {
 w = window.open(url, 'win','width=937,height=700,status=no,scrollbars=yes,directories=no,menubar=no,resizable=yes,toolbar=no');
}
function openwin3(url) {
 w = window.open(url, 'win','width=700,height=700,status=no,scrollbars=no,directories=no,menubar=no,resizable=yes,toolbar=no');
}
function openwin4(url) {
 w = window.open(url, 'win','width=500,height=500,status=no,scrollbars=no,directories=no,menubar=no,resizable=yes,toolbar=no');
}