function popupcentree(page,largeur,hauteur,options)
{
var top=(screen.height-hauteur)/2;
var left=(screen.width-largeur)/2;
window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}

function favoris() {
if ( navigator.appName != 'Microsoft Internet Explorer' ){
window.sidebar.addPanel("CCB CREATION : Imprimeur en Ligne","http://www.ccbcreation.fr/","");
}
else {
window.external.AddFavorite("http://www.ccbcreation.fr/","CCB CREATION : Imprimeur en Ligne");
}
}

<!-- ONGLET -->
function multiClass(eltId) {
	arrLinkId = new Array('_0','_1','_2','_3');
	intNbLinkElt = new Number(arrLinkId.length);
	arrClassLink = new Array('current','ghost');
	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 {
			document.getElementById(arrLinkId[i]).className = arrClassLink[1];
			document.getElementById(strContent).className = 'off content';
		}
	}	
}