var objid_1  = document.getElementById('buildstyle_old');
var objid_2  = document.getElementById('building_old');
var objid_3  = document.getElementById('buildstyle_new');
var objid_4  = document.getElementById('building_new');

var objid_5  = document.getElementById('baggage_check'); 
var objid_6  = document.getElementById('baggage'); 


if(objid_1.options[1].selected){
    objid_2.style.display = 'none';
}
if(objid_3.options[1].selected){
    objid_4.style.display = 'none';
}
if(objid_5.checked){
  objid_6.style.display = 'block';
}

function showhide(_name,_id,_flag){
    var obj   = _name;
    var elmId = document.getElementById(_id);
    if(_flag) {
            var index  = obj.selectedIndex;
            if (index != 0) {
                elmId.style.display = 'none';
            }else {
                elmId.style.display = 'inline';
            }
        }else {
            if (elmId.style.display == 'none' ) {
                elmId.style.display = 'block';
            }else {
                elmId.style.display = 'none';
        }
        
    }
}