function binfo(nomchp)	{
obj = document.getElementById(nomchp).style;
testcoch = document.getElementById(nomchp).style.visibility;

if(testcoch=='hidden')
{
obj.visibility='visible';
}
else{
obj.visibility='hidden';
}
	}


function multiClass(eltId) {
	arrLinkId = new Array('_0','_1','_2','_3','_4','_5','_6','_7');


	numg = eltId.replace('_', '');
	intNbLinkElt = new Number(arrLinkId.length);
	arrClassLink = new Array('current','a'+numg);
	strContent = new String()
	for (i=0; i<intNbLinkElt; i++) {
		strContent = "menu"+arrLinkId[i];
		if ( arrLinkId[i] == eltId ) {
			document.getElementById(arrLinkId[i]).className = arrClassLink[0] ;
			document.getElementById(strContent).className = 'on content';
		} else {
		numgen = arrLinkId[i].replace('_', '');

			document.getElementById(arrLinkId[i]).className = 'a'+numgen;

			document.getElementById(strContent).className = 'off content';
		}
	}	
}