function balmenu()
{
document.write('');
}
function jobbmenu()
{
document.write('');
}
function alapmenu()
{
document.write('');
}
function indexmenu()
{
document.write('');
}
function index2menu()
{
document.write('');
}
function blocking(nr)
{
if (document.layers)
{
current = (document.layers[nr].display == 'none') ? 'block' : 'none';
document.layers[nr].display = current;
}
else if (document.all)
{
current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
document.all[nr].style.display = current;
}
else if (document.getElementById)
{
vista = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
document.getElementById(nr).style.display = vista;
}
}