function classDis(theID)
{	
	var ss = eval("dd"+theID);
	document.all.disClassID.value = theID;
	var ssClassID = document.all.disClassID.value;
	if (ssClassID==theID)
	{
		ss.style.display=ss.style.display=='none'?'':'none';
	}
	else {
		ss.style.display=ss.style.display==''?'':'';
	}
	return false;
}