var efname = "";
var elname = "";
var ephone = "";

function InitSaveVariables(form) {
efname = form.efname.value;
elname = form.elname.value;
ephone = form.ephone.value;
}

function ShipToBillPerson(form) {
if (form.copy.checked) {
InitSaveVariables(form);
form.efname.value = form.pfname.value;
form.elname.value = form.plname.value;
form.ephone.value = form.pphone.value;
}
else {
form.efname.value = efname;
form.elname.value = elname;
form.ephone.value = ephone;
   }
}