// JavaScript Document
function resetField(fieldname) {
  if (fieldname.value=="") { fieldname.value = fieldname.defaultValue }
}

function PU(w,x,y,z,a){
window.open(w,x,'width=' + y + ',height=' + z + ',scrollbars=' + a + ',status=yes,menubar=yes,toolbar=no,left=' + ((screen.width/2)-(y/2)) + ',top=' + ((screen.height/2)-(z/2)) + ',resizable=yes')
}