function toggle_visibility(id) {
   var e = document.getElementById(id);
      if(e.style.display == 'none')
         e.style.display = 'block';
      else
         e.style.display = 'none';
}

function hideContent(id) {
      document.getElementById(id).style.display = "none";
}

function showContent(id) {
   document.getElementById(id).style.display = "block";
}

function popWin(imgUrl) {
   var imgWindow=null;
   var w='200';
   var h='100';
   LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/3:100;
   settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no,location=no,directories=yes,status=no,menubar=no,toolbar=no,resizable=yes';
   imgWindow=window.open("http://agingink.com/wp-content/themes/old-ink/imgpop.php?img="+imgUrl,'popup',settings);
   imgWindow.focus();
   return false;
}