function OnToggleTOCLevel1()
{
var elemSrc = window.event.srcElement;
var elemLevel2 = document.all(elemSrc.level2ID);

if (elemLevel2.style.display == 'none')
{
elemLevel2.style.display = '';
if (elemSrc.usesGlyph == '1')
elemSrc.innerHTML = '6';
}

else
{
elemLevel2.style.display = 'none';
if (elemSrc.usesGlyph == '1')
elemSrc.innerHTML = '4';
}

}