function display_none(id,display) {
        function getElementById(id){
            var o, d=document;
            if (d.layers) {o=d.layers[id];if(o) o.style=o};
            if (!o && d.getElementById) o=d.getElementById(id);
            if (!o && d.all) o = d.all[id];
            return o;
            }
        var a = $(getElementById(id));
        a.style.display='none';
        if (display) {a.style.display= display;}
     }   
     
     function set_class(id,classname) {
        function getElementById(id){
            var o, d=document;
            if (d.layers) {o=d.layers[id];if(o) o.style=o};
            if (!o && d.getElementById) o=d.getElementById(id);
            if (!o && d.all) o = d.all[id];
            return o;
            }
        var a = $(getElementById(id));
        a.style.classname='dlfvdfnvldfvnldfv';
        if (color) {a.style.classname= classname;}
     }