function contractall()
{
  if( document.getElementById ) {
    var inc=0
    while( document.getElementById("dropmsg"+inc) ) {
      document.getElementById("dropmsg"+inc).style.display="none"
      inc++
    }
  }
}

function expandone( num )
{
  if( document.getElementById ) {
    var selectedItem = num;
    contractall();
    document.getElementById( "dropmsg"+selectedItem ).style.display = "block";
  }
}
function expandone2( num )
{
  if( document.getElementById ) {
    var selectedItem = num;
    document.getElementById( "dropmsg"+selectedItem ).style.display = "block";
  }
}