function toggleBox(szDivID)
{
var obj = document.layers ? document.layers[szDivID] : document.getElementById ?  document.getElementById(szDivID).style : document.all[szDivID].style;
obj.display = obj.display == "none" ? "block" : "none";
}

function boxVisible(szDivID)
{
var obj = document.layers ? document.layers[szDivID] : document.getElementById ?  document.getElementById(szDivID).style : document.all[szDivID].style;
return (obj.display == "block");
}