function toggleTab(elId, nbT) {
	var i=0;
	var tab='';
	var div='';
	for (i=1; i<nbT+1;  i++) {
		tab = 'tab'+i;
		div = 'div'+i;
		if (i == elId) {
			document.getElementById(tab).className = "activeLeft";
			document.getElementById(div).className = "ongletActive";
		}
		else {
			document.getElementById(tab).className = "inactive";
			document.getElementById(div).className = "ongletInactive";
		}
	}
	
	return false;
}