<?php
class Announcements {

  var $announcement_array, $count;

  function Announcements() {
    $this->announcement_array = Array();
    $this->count = 0;
  }

  function addAnnouncement($str) {
    if (strlen($str) > 0) {
      $this->announcement_array[] = new Announcement($str, $count);
      $this->count++;
    }
  }

  function toStr() {
    $str ="";
    // as long as there are some actual announcements to show,
    if ($this->count>0) {
      // make a long string of ...
      foreach($this->announcement_array as $this_announcement) {
	// ... each announcement formatted for html!
	$str .= $this_announcement->toStr();
	$str .= Text::smallBreak(2);
      }

      
      // place that html in the page with proper surroundings!
      $str = new TextBox("",$str
	 . "<script language=JavaScript>blink(". $this->count
			 . ",". BLINK_TIMES .");</script>");
    }
    return ($str);
  }

  function display() {
    echo $this->toStr();
  }

}
?>