<!--
  function check_fields()  {
    var formElement = document.getElementById("sh_form");
    var nameElement;
    var msgElement;
    
    // Checks if the HTML code is using the new or old markup.
    if (formElement != null)  {
      nameElement = document.getElementById("sh_name");
      msgElement = document.getElementById("sh_msg");
    }
    else  {
      // Old Configuration.
      formElement = document.forms.bbs;
      nameElement = document.forms.bbs.name;
      msgElement = document.forms.bbs.msg;
    }
    
    if (nameElement.value == "")  {
      nameElement.value = "anonymous";
    }
    else if (msgElement.value == "")  {
      msgElement.value = "message";
    }
    else if (nameElement.value == "anonymous" &&
             msgElement.value == "message")  {
      alert("Invalid entry not allowed.");
		  nameElement.value = "";
		  msgElement.value = "";
    }
    else  {
	    formElement.submit();
		  nameElement.value = "";
		  msgElement.value = "";
    }
  }
  
  function get_unique() {
    var d = new Date();
    var t = d.getTime();
    t = t / 1000; // Change milliseconds to seconds
    t = t / 60; // no. of minutes.
    t = t / 60; // no. of hours.
    t = t / 24; // no. of days.
    return Math.floor(t);
  }
  
  function write_unique() {
    document.write("<input type='hidden' name='sh_unique' value=" +
      get_unique() + " />");
  }
//-->