function showhide(xxx)
    {
    if (document.getElementById(xxx).style.display=="none") { document.getElementById(xxx).style.display="block"; }
    else { document.getElementById(xxx).style.display="none"; }
    }

function view(id) {
	objDiv = document.getElementById(id);
	objDiv.style.display = ( objDiv.style.display == '' ) ? 'none' : '';
}