// JavaScript Document

    function openClose(id)
    {
        var obj = "";    

        // Check browser compatibility
        if(document.getElementById)
            obj = document.getElementById(id).style;
        else if(document.all)
            obj = document.all[id];
        else if(document.layers)
            obj = document.layers[id];
        else
            return 1;

        // Do the magic :)
        if(obj.display == "")
            obj.display = "none";
        else if(obj.display != "none")
            obj.display = "none";
        else
        obj.display = "block";
    }