function popup(url){
new_window = window.open(url, "Popup", "height=600,width=805,toolbar=no,location=no,status=yes,menubar=no,scrollbars=yes,resizable=yes")
}
function corvette(){
new_window = window.open('/corvette.htm', "Popup", "height=640,width=795,toolbar=no,location=no,status=yes,menubar=no,scrollbars=no,resizable=yes")
}