function doSubmit ( form ){
  var numericExpression = /^[0-9]+$/;
  if (form.fullname.value =="") {
	alert( "Please enter your full name." );
    form.fullname2.focus();
    return false ;  
  }  
  if (form.phone.value == "") {
  	alert( "Please enter your phone number." );
    form.phone2.focus();
    return false ;  
  }
  if (form.workphone2.value == "") {
  	alert( "Please enter your work phone." );
    form.workphone2.focus();
    return false ;  
  } 
  if (form.cellphone2.value == "") {  
  	alert( "Please enter your cell phone." );	
    form.cellphone2.focus();
    return false ;  
  }   
  if (form.email2.value == "") {
	alert( "Please enter your email address." );
    form.email2.focus();
    return false ;  
  }
  if (form.previous2.value == "") {
	alert( "Please enter your previous course." );
    form.previous2.focus();
    return false ;  
  } 
  return true ;
}