arrow-key-navigation-widget-for-blogger

<script type='text/javascript'>
document.onkeyup = function(event)
{
if (document.activeElement.nodeName == 'TEXTAREA' || document.activeElement.nodeName == 'INPUT') return;
event = event || window.event;
switch(event.keyCode)
{
case 37:
var newerLink = document.getElementById('Blog1_blog-pager-newer-link');
if(newerLink !=null) window.location.href = newerLink.href;
break;
case 39:
var olderLink = document.getElementById('Blog1_blog-pager-older-link');
if(olderLink!=null) window.location.href = olderLink.href;
}
};
</script>