var ma = '';
var sa = '';
var sd = false;

function Menu_Click (m,s) {
    var objm, objs;
    
    if (!sd) {
        if (ma != '') {
            objm = document.getElementById(ma);
            objm.className = '';
        }   
        if (m != '') {           
            objm = document.getElementById(m);
            objm.className = 'Actiu';
        }
        ma = m;
        if (sa != '') {
            objs = document.getElementById(sa);
            objs.style.display = 'none';
        }
        if (s != '') {              
            objs = document.getElementById(s);
            objs.style.display = 'block';
            objs.style.left = objm.offsetLeft + 'px';
        }
        sa = s;
        sd = true;
        Menu_HideSelects();
    }
    else {
        if (ma != '') {
            objm = document.getElementById(ma);
            objm.className = '';
        }          
        ma = '';    
        if (sa != '') {
            objs = document.getElementById(sa);
            objs.style.display = 'none';
        }    
        sa = s;          
        sd = false;
        Menu_ShowSelects();
    }
    return false;
}

function Menu_MouseOver (m,s) {
    var objm, objs;
    
    if (sd) {
        if (ma != '') {
            objm = document.getElementById(ma);
            objm.className = '';
        }   
        if (m != '') {           
            objm = document.getElementById(m);
            objm.className = 'Actiu';
        }
        ma = m;
        if (sa != '') {
            objs = document.getElementById(sa);
            objs.style.display = 'none';
        }  
        if (s != '') {            
            objs = document.getElementById(s);
            objs.style.display = 'block';
            objs.style.left = objm.offsetLeft + 'px';
        }
        sa = s;
    }
}

function Menu_HideSelects() {
    var f, e;
    for (f = 0; f < document.forms.length; f++){
        for (e = 0; e < document.forms[f].length; e++) {
            if (document.forms[f].elements[e].options) {
                document.forms[f].elements[e].style.visibility = 'hidden';
            }
        }
    } 
}

function Menu_ShowSelects() {
    var f, e;
    for (f = 0; f < document.forms.length; f++){
        for (e = 0; e < document.forms[f].length; e++) {
            if (document.forms[f].elements[e].options) {
                document.forms[f].elements[e].style.visibility = 'visible';
            }
        }
    } 
}