function ShowImage(a_pict,a_width,a_height,a_title)
{
  params = 'resizable=no, scrollbars=no, status=0,width='+a_width+', height='+a_height;
  title='حدد "جمِـ". '+a_title;
  link= 'img.php?path='+a_pict+'.jpg'+'&title='+title;
  newwindow = window.open(link,'img',params);
}