function msover(obj)
{
    obj.setAttribute('oldClassName', obj.className);
    obj.className = 'rowhighlight';
}
function msout(obj)
{
    obj.className = obj.getAttribute('oldClassName');
}

function checkAllCheckBoxes(formname) {
    form = document.getElementById(formname);
    for (var i = 0; i < form.elements.length; i++) {
        if(form.elements[i].type == 'checkbox'){
            form.elements[i].checked = 1;
        }
    }
}

function uncheckAllCheckBoxes(formname) {
    form = document.getElementById(formname);
    for (var i = 0; i < form.elements.length; i++) {
        if(form.elements[i].type == 'checkbox'){
            form.elements[i].checked = 0;
        }
    }
}