var bTranState = 0; 
function fnTransition() 
{ oTransContainer.filters[0].Apply(); 
  if (bTranState=='0') 
	{ bTranState = 1; 
	oDIV2.style.visibility="visible"; 
	oDIV1.style.visibility="hidden";} 
  else { 
	bTranState = 0; 
	oDIV2.style.visibility="hidden"; 
	oDIV1.style.visibility="visible";} 
oTransContainer.filters[0].Play();}