function getObject(obj) {
    if ( typeof obj != 'string') {
        return obj;
    }
    var newObj;
    if ( document.getElementById ) {
        newObj = document.getElementById(obj);
    }
    else if ( document.all ) {
        newObj = document.all(obj);
    }
    
    return newObj;
}

function getHeight(obj) {
    if ( obj.offsetHeight ) {
        return obj.offsetHeight;
    }
    else if ( obj.style.pixelHeight ) {
        return obj.style.pixelHeight;
    }
}

function setHeight(obj, height) {
    obj.style.height = height + 'px';
}

function equalizeObjHeights(objs) {
    var maxHeight = 0;

    for ( i = 0; i < objs.length; i++ ) {
        var obj = getObject(objs[i]);

        if ( maxHeight < getHeight(obj) ) {
            maxHeight = getHeight(obj);
        }
    }

    for ( i = 0; i < objs.length; i++ ) {
        var obj = getObject(objs[i]);
        setHeight(obj, maxHeight);
    }
}