var DHTML = (document.getElementById || document.all || document.layers);

function ap_getObj(name)
{
if (document.getElementById)
{
return document.getElementById(name).style;
}
else if (document.all)
{
return document.all[name].style;
}
else if (document.layers)
{
return document.layers[name];
}
}

function ap_showWaitMessage(div, flag)
{
if (!DHTML) return;
var x = ap_getObj(div);
x.display = (flag) ? 'block':'none'
return true;
}