var picview = null;	// An opened picview window

function Create_popup_window(img, title){
  foto1= new Image();
  foto1.src=(img);
  Controlla(img, title);
}
function Controlla(img, title){
  if((foto1.width!=0)&&(foto1.height!=0)){
    viewFoto(img, title);
  }
  else{
    funzione="Controlla('"+img+"')";
    intervallo=setTimeout(funzione,20);
  }
}
function viewFoto(img, title){
  largh=foto1.width+20;
  altez=foto1.height+20;
  stringa="left=50,top=50,width="+largh+",height="+altez;
  closePicView();
	var url = "popup_window.php?image="+img+"&product="+title;
  picview=window.open(url,"picview",stringa);
	picview.focus();
}
function closePicView()
{
  if(picview)picview.close();
  picview=null;
}
	
document.onfocusin = closePicView;