// (c)2007-2008 Tomas Kopecny <email@georgo.org>
function keyGripper(e)
{if(!e)e=window.event;try{var target=e.target?e.target:e.srcElement;var targetNode=target.nodeName;}
catch(exception)
{return true;}
var keyCode=0;if(!((keyCode=e.keyCode)||(keyCode=e.which)))return true;if(targetNode=='INPUT'||targetNode=='TEXTAREA'||targetNode=='SELECT'||targetNode=='BUTTON')return true;if(e.shiftKey==false&&e.ctrlKey==false&&e.altKey==false){switch(keyCode){case 37:if('object'==typeof(document.getElementById('prevlink')))
document.location.href=document.getElementById('prevlink').href;break;case 39:if('object'==typeof(document.getElementById('nextlink')))
document.location.href=document.getElementById('nextlink').href;break;case 8:if('object'==typeof(document.getElementById('toplink')))
document.location.href=document.getElementById('toplink').href;break;default:break;break;}}
return true;}
window.onkeydown=keyGripper;