function getObj(id)
{
        if (document.getElementById)
        {
                return document.getElementById(id).style;
        }
        else if (document.all)
        {
                return document.all[id].style;
        }
        else if (document.layers)
        {
                return document.layers[id];
        }
}
var id;


function show(id)
{
var div=getObj(id);
if (document.layers) div.visibility = "show";
div.visibility = "visible";
}


function hide(id)
{
var div=getObj(id);
if (document.layers) div.visibility = "hide";
div.visibility = "hidden";
}