var strCurrentId = 'CB_GALLERY';

function swopChairBox(strNextId,options) {

	if(strNextId!=strCurrentId) {

		var objCurrent = document.getElementById(strCurrentId);

		var objNext = document.getElementById(strNextId);

		opacity(strCurrentId, 100, 0, 1000);

		objCurrent.style.display = 'none';
		
		objNext.style.display = 'block';

		opacity(strNextId, 0, 100, 1000);
	
		strCurrentId = strNextId;

	}

}