function show_img(img,width,height)
{
   var a
   var b
   var url
   vidWindowWidth=width;
   vidWindowHeight=height;
   a=(screen.height-vidWindowHeight)/5;
   b=(screen.width-vidWindowWidth)/2;
   features="top="+a+",left="+b+",width="+vidWindowWidth+",height="+vidWindowHeight+",toolbar=no,menubar=no,location=no,directories=no,scrollbars=no,resizable=no";
   url="../shared/show.php?img="+img;
   window.open(url,'',features,true);
   return false;
}

function photo_info(id_photo,width,height)
{
   var a
   var b
   var url
   vidWindowWidth=width+150;
   vidWindowHeight=height+140;
   a=(screen.height-vidWindowHeight)/5;
   b=(screen.width-vidWindowWidth)/2;
   features="top="+a+",left="+b+",width="+vidWindowWidth+",height="+vidWindowHeight+",toolbar=no,menubar=no,location=no,directories=no,scrollbars=1,resizable=1";
   url="../shared/photoinfo.php?id_photo="+id_photo;
   window.open(url,'',features,true);
   return false;
}

function printpage()
{
  window.print();
}