
var backgr1="immagini/sf1.jpg"
var backgr2="immagini/sf2.jpg"
var backgr3="immagini/sf3.jpg"
var backgr4="immagini/sf4.jpg"
var backgr5="immagini/sf5.jpg"
var backgr6="immagini/sf6.jpg"
var backgr7="immagini/sf7.jpg"
var backgr8="immagini/sf8.jpg"
var backgr9="immagini/sf9.jpg"
var backgr10="immagini/sf10.jpg"
var backgr11="immagini/sf11.jpg"
var backgr12="immagini/sf12.jpg"
var cur=Math.round(11*Math.random() + 1)
/*var cur = Math.round(Math.random*3+1)*/
 if (cur==1)
backgr=backgr1
else if (cur==2)
backgr=backgr2
else if (cur==3)
backgr=backgr3
else if (cur==4)
backgr=backgr4
else if (cur==5)
backgr=backgr5
else if (cur==6)
backgr=backgr6
else if (cur==7)
backgr=backgr7
else if (cur==8)
backgr=backgr8
else if (cur==9)
backgr=backgr9
else if (cur==10)
backgr=backgr10
else if (cur==11)
backgr=backgr11
else
backgr=backgr12 
/*alert (cur);*/
   document.write('<body style="background-image: url('+backgr+');"  onLoad="InitialiseScrollableArea();">')
