var url= new Array();
var foto = new Array();
url[0]= "sanmarcohome1.jpg"; 

url[1]= "sanmarcohome2.jpg"; 


url[2]= "sanmarcohome3.jpg"; 


url[3]= "sanmarcohome4.jpg"; 





var a =url.length;

function spot()
{var data= new Date();
var x= data.getTime()/10;

x = x-Math.floor(x/100)*100;
// x va da 0 a 99 ;

var i = Math.floor(x * a/100);



document.write('<IMG SRC="'+url[i]+'"  WIDTH="980" HEIGHT="190" BORDER="0" ALT="Comune di San Marco dei Cavoti">');


}