function popup_sms(loc, w, h, n){



if (w==null) w = 490;



  if (h==null) h = 548;



  if (n==null) n = "";



  l = (screen.availWidth - w) / 2;



  t = ((screen.availHeight - h) / 2) - 20;



  awaa = window.open(loc, n, "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width="+w+",height="+h+",left="+l+",top="+t);



}


function chsize(img_tag) { 
pict=new Image(); 
pict.src=img_tag.src; 
if (pict.width > 460)  img_tag.width=460; 
} 



function CaricaFoto(img){
  foto1= new Image();
  foto1.src=(img);
  Controlla(img);
}
function Controlla(img){
  if((foto1.width!=0)&&(foto1.height!=0)){
    viewFoto(img);
  }
  else{
    funzione="Controlla('"+img+"')";
    intervallo=setTimeout(funzione,20);
  }
}
function viewFoto(img){
  largh=foto1.width+20;
  altez=foto1.height+20;
  stringa="width="+largh+",height="+altez;
  finestra=window.open(img,"",stringa);
}