function switchVisibility(id_name) {
    var obj = $(id_name);
    
    obj.style.visibility = (obj.style.visibility == 'hidden' || obj.style.visibility == '')? 'visible' : 'hidden';
}

function showFacil(info) {
    var pars = 'i='+info;
    var myAjax = new Ajax.Request('./html_facildata.php', {method:'get',parameters:pars,onComplete:showFacilData});
}

function hideFacil() {
    var obj = $('facilmap');
    obj.style.visibility = 'visible';
    obj = $('facilsubmenu');
    obj.style.visibility = 'visible';
    obj = $('facildata');
    obj.style.visibility = 'hidden';
}

function showFacilData(originalRequest) {
    var obj = $('facildata');
    var dat = $('facildatacontents');
    
    dat.innerHTML = originalRequest.responseText;
    
    obj.style.visibility = 'visible';
    
    obj = $('facilmap');
    obj.style.visibility = 'hidden';
    
    obj = $('facilsubmenu');
    obj.style.visibility = 'hidden';
}