var curr = '';
var curr_id ='';
function cur(obj) {
    if (curr == obj.rel) {
        curr = '';
        curr_id ='';
        document.all[obj.id].style.color = '';
        document.all[obj.id].style.fontWeight = '';
        document.all[obj.rel].style.display = 'none';
        return;
    }
    if(curr) 
    {
        document.all[curr_id].style.color = '';
        document.all[curr_id].style.fontWeight = '';
        document.all[curr].style.display = 'none';
    }
    document.all[obj.id].style.color = '#ec008c';
    document.all[obj.id].style.fontWeight = 'bold';
    document.all[obj.rel].style.display = 'block';
    curr = obj.rel;
    curr_id = obj.id;
}