function openwin(URL){
window.open(URL,"openwin","status=no,scrollbars=no,scrollbars=yes,left=0, top=0 resizable=no,width=670,height=600");
}

function popwin(URL){
window.open(URL,"popwin","status=no,scrollbars=no,scrollbars=yes,left=0, top=0 resizable=no,width=350,height=630");
}