function combAll(){
var dyear = document.forms[1].d_y.value;
var dmonth = document.forms[1].d_m.value;
var dday = document.forms[1].d_d.value;
var ryear = document.forms[1].d_y2.value;
var rmonth = document.forms[1].d_m2.value;
var rday = document.forms[1].d_d2.value;
document.forms[1].DepartDate.value = dyear + dmonth + dday;
document.forms[1].ReturnDate.value = ryear + rmonth + rday;
return true;
}