/////////////////////////////////////////////////////////////////////////////
function onSelectClass(classlistid, timelistid1, timelistid2, timelistid1value, timelistid2value) {
    var classlist = document.getElementById(classlistid);
    var timelist1 = document.getElementById(timelistid1);
    var timelist2 = document.getElementById(timelistid2);
    timelist1.options.length = 0;
    timelist2.options.length = 0;
    timelist1.options[0] = new Option('--select time--', '');
    timelist2.options[0] = new Option('--select time--', '');
    if (classlist.selectedIndex == 0) {
        timelist1.disabled = true;
        timelist2.disabled = true;
    }
    else {
        var classtimes = 'classTimes' + (classlist.selectedIndex - 1).toString();
        var timearray = eval(classtimes);
        timelist1.disabled = false;
        timelist2.disabled = true;
        if (timearray.length > 1) {
            timelist2.disabled = false;
        }
        var x = 0;
        for (x = 0; x != timearray.length; x++) {
            timelist1.options[x+1] = new Option(timearray[x], timearray[x]);
            timelist2.options[x+1] = new Option(timearray[x], timearray[x]);
        }
    }
    updateTimeHiddenValues(timelistid1, timelistid2, timelistid1value, timelistid2value);
}
/////////////////////////////////////////////////////////////////////////////
function onSelectTime(classlistid, timelistid1, timelistid2, timelistid1value, timelistid2value) {
    var classlist = document.getElementById(classlistid);
    var timelist1 = document.getElementById(timelistid1);
    var timelist2 = document.getElementById(timelistid2);
    var index = timelist1.selectedIndex;
    timelist2.options.length = 0;
    timelist2.options[0] = new Option('--select time--', '');
    var classtimes = 'classTimes' + (classlist.selectedIndex - 1).toString();
    var timearray = eval(classtimes);
    var x = 0;
    var c = 1;
    for (x = 0; x != timearray.length; x++) {
        if (x+1 != index) {
            timelist2.options[c] = new Option(timearray[x], timearray[x]);
            c++;
        }
    }
    updateTimeHiddenValues(timelistid1, timelistid2, timelistid1value, timelistid2value);
}
/////////////////////////////////////////////////////////////////////////////
function onSelectTimeAlt(classlistid, timelistid1, timelistid2, timelistid1value, timelistid2value) {
    updateTimeHiddenValues(timelistid1, timelistid2, timelistid1value, timelistid2value);
}
/////////////////////////////////////////////////////////////////////////////
function updateTimeHiddenValues(timelistid1, timelistid2, timelistid1value, timelistid2value) {
    var timelist1 = document.getElementById(timelistid1);
    var timelist2 = document.getElementById(timelistid2);
    var timelist1value = document.getElementById(timelistid1value);
    var timelist2value = document.getElementById(timelistid2value);
    timelist1value.value = timelist1.options[timelist1.selectedIndex].text;
    timelist2value.value = timelist2.options[timelist2.selectedIndex].text;
    if (timelist1value.value == '--select time--') {
        timelist1value.value = '';
    }
    if (timelist2value.value == '--select time--') {
        timelist2value.value = '';
    }
}
/////////////////////////////////////////////////////////////////////////////