function pickRandom(range) {
	if (Math.random)
		return Math.round(Math.random() * (range-1));
	else {
		var now = new Date();
		return (now.getTime() / 1000) % range;
	}
}

function afficheclub(calque) {
	document.getElementById(club1).style.display = "none";
	document.getElementById(club2).style.display = "none";
	document.getElementById(club3).style.display = "none";
	document.getElementById(club4).style.display = "none";
	document.getElementById(club5).style.display = "none";
	eval('document.getElementById("' + calque + '").style.display = "block"');

	TR = document.getElementById('classements');
	A = TR.getElementsByTagName('a');
	TD = TR.getElementsByTagName('td');
    for(j=0; j < A.length; j++){
		if(eval("club"+(j+1))==calque){
			A[j].className = 'classement_on';
			TD[j].className = 'classement_on';
			//alert(onglet);
		}else{
			A[j].className = 'classement_off';
			TD[j].className = 'classement_off';
		}
	}
}

var club = 'd1';

var club1 = 'd1';
var club2 = 'angleterre';
var club3 = 'espagne';
var club4 = 'italie';
var club5 = 'allemagne';

var arena='';

if (club == club1  ||  club == club2 || club == club3 || club == club4 || club == club5) {
	afficheclub(club);
}
else {
	if (arena == "angleterre"){afficheclub(club2);}
	else if (arena == "espagne"){afficheclub(club3);}
	else if (arena == "italie"){afficheclub(club4);}
	else if (arena == "allemagne"){afficheclub(club5);}
	else {afficheclub(club1);}
}