function getRefToObject(objID) {
    if( document.layers ) {                         //Netscape layers
        return document.layers[objID]; }
    if( document.getElementById ) {                 //DOM; IE5, NS6, Mozilla, Opera
        return document.getElementById(objID); }
    if( document.all ) {                            //Proprietary DOM; IE4
        return document.all[objID]; }
    if( document[objID] ) {                         //Netscape alternative
        return document[objID]; }
    return false;
}