function fetch_object(idname)
{
        if (document.getElementById)
        {
                return document.getElementById(idname);
        }
        else if (document.all)
        {
                return document.all[idname];
        }
        else if (document.layers)
        {
                return document.layers[idname];
        }
        else
        {
                return null;
        }
}
function cnfade(objid) {
	obj = fetch_object(objid);
	obj.style.filter = 'alpha(opacity=75)';
	obj.style.opacity = '.75';
}
function cnunfade(objid) {
	obj = fetch_object(objid);
	obj.style.filter = 'alpha(opacity=100)';
	obj.style.opacity = '1';
}