function getbanner() 
{
banner = new MakeArray(100);
numbanner = 2;  // number of images

banner[0] = "<img src=\"/chalecos/chalecos/banner/chaleco_h_prin.jpg\" width=\"760\" height=\"100\" border=\"0\" alt=\"Chalecos Coche.com\">"
banner[1] = "<img src=\"/chalecos/chalecos/banner/chaleco_h_01.gif\" width=\"760\" height=\"100\" border=\"0\" alt=\"Chalecos Coche.com\">"

             var now = new Date()
             var sec = now.getSeconds()

             return banner[sec % numbanner];
     }

     function MakeArray(n) 
     { 
             this.length = n; 
             for (var i = 1; i <= n; i++) { 
                     this[i] = 0 }
                 return this 
     };