function activerTab(tabNumero) {
	var bloc = document.getElementById('tabs');
	var myLi = bloc.getElementsByTagName('li');
	for (var i = 1;	i <= myLi.length;i++)
		myLi[i-1].className = 'off';
	myLi[tabNumero-1].className = 'on';

	var divContent = document.getElementById('corporateContent');
	var myDiv = divContent.getElementsByTagName('div');
	for (var i = 1;	i <= myDiv.length;i++)  {
		if (myDiv[i-1].id.substr(0,3)=='tab')
			myDiv[i-1].className = 'none';
		if (myDiv[i-1].id=='tab'+tabNumero)	
			myDiv[i-1].className = 'visible';
	}
}

function displayPhoto(panelNumero) {
	$('topic_photo').className='topic'+panelNumero+'_photo';	
}