// generated scripts for presentation
    function checkDecimal(e){
        var keynum;
        if (window.event)
        {
            keynum=e.keyCode;
        }
        else if (e.which)
        {
            keynum=e.which;
        }
        if (keynum == 8 ||
            keynum == 32 ||
            keynum == 46 ||
            keynum == 189 ||
            keynum == 190 ||
            (keynum >= 37 && keynum <= 40) ||
            (keynum >= 48 && keynum <= 57))
        {
        }
        else {
            e.returnValue=false;
            alert("Only numbers allowed for this field!");
        }
    }

    function choice2Int(obj){
        var sval = 0;
        for (i=0; i< obj.options.length; i++)
        {
            var op = obj.options[i];
            if (op.selected)
            {
                sval |= op.value;
            }
        }
        obj.value=sval;    }