function showmainsubmenu(divid,divnew)
{
document.getElementById(divid).style.display = '';
}
function hidemainsubmenu(divid,divnew)
{
document.getElementById(divid).style.display = 'none';
}

function showsearchmenu()
{
document.getElementById('searchmenu').style.display = '';
}
function hidesearchmenu()
{
document.getElementById('searchmenu').style.display = 'none';
}