function validate() {
mNv=mailform.visitor.value;
if (mNv=='') {
alert('Your name is a required field. Please try again.');
event.returnValue=false;
}
mEv=mailform.visitormail.value;
if(mEv==''){
alert('Your E-mail Address is a required field. Please enter correctly.');
event.returnValue=false;
}
mSv=mailform.notes.value;
if(mSv==''){
alert('You hve not wrote a message...');
event.returnValue=false;
}
}