function rOver(lyrNum) 
{
  rOut();
  
  document.getElementById("divHomePageAnnounceContent"+lyrNum).style.visibility = "visible";
  document.getElementById("divHomePageAnnounceDate"+lyrNum).style.color = "#cc0000";
  document.getElementById("divHomePageAnnounceLink"+lyrNum).style.color = "#cc0000";
  document.getElementById("divHomePageAnnounceMoreLink"+lyrNum).style.visibility = "visible";

}

function rOut() 
{
    // reset all layers to hidden
    for(i=0;i<= numberOfAnnouncements -1 ;i++)
    { 
       document.getElementById("divHomePageAnnounceContent"+i).style.visibility = "hidden"; 
       document.getElementById("divHomePageAnnounceDate"+i).style.color = "#000000";
       document.getElementById("divHomePageAnnounceLink"+i).style.color = "#000000";
       document.getElementById("divHomePageAnnounceMoreLink"+i).style.visibility = "hidden"; 
    }

}