function checkForm() {
  var error = 0;
  var error_message = "Errors have occured during the process of your form.\n\nPlease make the following corrections:\n\n";
  
  
  var name =document.write_review.name.value;
  var reviews = document.write_review.reviews.value;
  var security_code = document.write_review.security_code.value;
   var return_text = document.write_review.return_text.value;
  
  if (name!="") {
  } else {
    error_message = error_message + "* Please Enter Yoour Name\n";
    error = 1;
  }

  if (reviews.length < 50) {
    error_message = error_message + "* The \'Review Text\' must have at least 50 characters.\n";
    error = 1;
  }


 if (security_code!="") {
  } else {
    error_message = error_message + "* Please Enter Code Above the Image\n";
    error = 1;
  }   
  
  if((security_code==return_text )&&(security_code!="")) {
  } else {
    error_message = error_message + "* Please Enter Correct Code\n";
    error = 1;
  }   

  if (error == 1) {
    alert(error_message);
    return false;
  } else {
    return true;
  }
}