function openPage (page,xName,pagewidth, pageheight)
{
    var sizedwindow2 = window.open (page, xName, 'width='+pagewidth+',height='+pageheight+',top=100,left=120,scrollbars=no');
    if (sizedwindow2.opener == null)
    {
        sizedwindow2.opener = self;
    }
    sizedwindow2.focus ();
}

function show (dmObject)
{
    if (explorer ())
    {
        LayerObject = eval ('document.all' + '[dmObject]' + '.style');
        LayerObject.visibility = "visible";
    }
    
    else if (navigator ())
    {
        LayerObject = eval ('document' + '[dmObject]');
        LayerObject.visibility = "visible";
    }
}

function hide (dmObject)
{
    if (explorer ())
    {
        LayerObject = eval ('document.all' + '[dmObject]' + '.style');
        LayerObject.visibility = "hidden";
    }
    else if (navigator ())
    {
        LayerObject = eval ('document' + '[dmObject]');
        LayerObject.visibility = "hidden";
    }
}