function validate_required(field,alerttxt){
with (field){
if (value==null||value==""){
alert(alerttxt);
return false;
}
return true;
}
}
function validate_email(field,alerttxt){
with (field){
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2){
alert(alerttxt);
return false;
}
return true;
}
}
function validate_contactusForm(thisform){
with (thisform){
if(!validate_required(q_name, "Name is not allow null!")){
q_name.focus();
return false;
}
if(!validate_required(q_tel, "Phone is not allow null!")){
q_tel.focus();
return false;
}
if(!validate_required(q_email, "Email is not allow null!")){
q_email.focus();
return false;
}
if(!validate_email(q_email, "Email is incorrect!")){
q_email.focus();
return false;
}
// if(!validate_required(q_subject, "必須填寫主旨")){
// q_subject.focus();
// return false;
// }
// if(!validate_required(query, "必須填寫內容")){
// query.focus();
// return false;
// }
}
return true;
}