function RollOver (obj,val) {

  obj.src = val;

}

function addBookmark(title,url) {
    if (window.sidebar) {
        window.sidebar.addPanel(title, url,"");
    } else if( document.all ) {
         window.external.AddFavorite( url, title);
    } else if( window.opera && window.print ) {
         return true;
    }
}