function toggleBox(szDivID) {
    if (document.layers) { // NN4+
        if (document.layers[szDivID].visibility == 'visible') {
            document.layers[szDivID].visibility = "hide";
            document.layers[szDivID].display = "none";
            document.layers[szDivID + "SD"].fontWeight = "normal";
        } else {
            document.layers[szDivID].visibility = "show";
            document.layers[szDivID].display = "inline";
            document.layers[szDivID + "SD"].fontWeight = "bold";
        }
    } else if (document.getElementById) { // gecko(NN6) + IE 5+
        var obj = document.getElementById(szDivID);
        var objSD = document.getElementById(szDivID + "SD");

        if (obj.style.visibility == 'visible') {
            obj.style.visibility = "hidden";
            obj.style.display = "none";
            objSD.style.fontWeight = "normal";
        } else {
            obj.style.visibility = "visible";
            obj.style.display = "inline";
            objSD.style.fontWeight = "bold";
        }
    } else if (document.all) { // IE 4
        if (document.all[szDivID].style.visibility == 'visible') {
            document.all[szDivID].style.visibility = "hidden";
            document.all[szDivID].style.display = "none";
            document.all[szDivID + "SD"].style.fontWeight = "normal";
        } else {
            document.all[szDivID].style.visibility = "visible";
            document.all[szDivID].style.display = "inline";
            document.all[szDivID + "SD"].style.fontWeight = "bold";
        }
    }
}