function imageSwap ( id, imgOut, imgOver )
{
  var obj = document.getElementById(id);

  if ( obj && imgOut != "" && imgOver != "" ) {
    obj.onmouseover = function() { this.src = imgOver; }
    obj.onmouseout = function() { this.src = imgOut; }
  }
}

function hiLiteTickerRow()
{
  var arrayRow = document.getElementsByTagName("tr");
  
  for( var i=0; i<arrayRow.length; i++ ) {
    if( arrayRow[i].className.search(/hiLite/i) != -1 ) {
      arrayRow[i].onmouseover = function() {
        this.style.backgroundColor = "yellow";
      }
      arrayRow[i].onmouseout = function() {
        this.style.backgroundColor = "white";
      }
    }
  }
}