var lastId;

function switshRegister(idName){
	
	if(lastId){
		obDivOff = getElem('id', lastId, '');
		obDivOff.style.display = 'none';
	}
	else{
		obDivOff = getElem('id', 'div01', '');
		obDivOff.style.display = 'none';
	}
	
	lastId = idName;	
	
	obDiv = getElem('id', idName, '');
	obDiv.style.display = 'block';
}