boldObj = "";
visMENUObj= "";

function showMENU(idContent) {
	if (visMENUObj){
		hideMENU(visMENUObj);
	}
	obj = document.getElementById(idContent).style ;
	obj.display='block';
	visMENUObj=idContent;
}

function hideMENU(idContent) {
	obj = document.getElementById(idContent).style ;
	obj.display='none';
}