quote = new Array();

quote[0]="bg1"; 
quote[1]="bg2"; 
quote[2]="bg3"; 
quote[3]="bg4"; 
quote[4]="bg5"; 
quote[5]="bg6"; 

var date = new Date();
var sec = date.getSeconds();
var index = (sec % quote.length);

<!-- Begin
document.write('<div class=\"msgareaalt ');
document.write(quote[index]);
document.write('\"><h1 class=\"hidden\">Bienvenue | <span lang=\"en\" xml:lang=\"en\">Welcome</span></h1></div>');
//  End -->