//<!--

function showLayer( name )
{
    var obj = findObj( name );
    if( obj == null ) return;

    if( document.layers )
        obj.visibility = "show";
    else
        obj.visibility = "visible";
}

function hideLayer( name )
{
    var obj = findObj( name );
    if( obj == null ) return;
    if( document.layers )
        obj.visibility = "hide";
    else
        obj.visibility = "hidden";
}

function findObj( name, doc )
{
    var i, x;

    if( !doc )
        doc = document;

    if( doc.getElementById )
    {    // NS 6.x and compatible
        return doc.getElementById( name ).style;
    }
    if( !( x = doc[name] ) && doc.all )
    {    // IE 4.x, IE 5.x
        return doc.all[name];
    }
    for( i = 0; !x && i < doc.forms.length; i++ )
        x = doc.forms[i][name];
    for( i = 0; !x && i < doc.layers.length; i++ )
        x = findObj( name, doc.layers[i].document );
    return x;
}
// -->