function CheckForm(regform){
   if(regform.PSA_fname.value==""){
    alert( "Please enter your first name." );
    regform.PSA_fname.focus();
    return false;
   }
 
   if(regform.PSA_lname.value==""){
    alert( "Please enter your last name." );
    regform.PSA_lname.focus();
    return false;
   }
 
   if(regform.PSA_email.value==""){
    alert( "Please enter your e-mail address." );
    regform.PSA_email.focus();
    return false;
   }
 
   if(regform.PSA_id.value==""){
    alert( "Please enter a username." );
    regform.PSA_id.focus();
    return false;
   }
 
   if(regform.PSA_pass.value==""){
    alert( "Please enter a password." );
    regform.PSA_pass.focus();
    return false;
   }
 
   if(regform.PSA_pass2.value=="" || regform.PSA_pass2.value!=regform.PSA_pass.value){
    alert( "Please verify that your password matches." );
    regform.PSA_pass2.focus();
    return false;
   }
 
   return true;
  }