function noNumbers(e, prevurl, nexturl)
{
var keynum;
var keychar;
var numcheck;

if(window.event) // IE
	{
	keynum = e.keyCode;
	}
else if(e.which) // Netscape/Firefox/Opera
	{
	keynum = e.which;
	}
keychar = String.fromCharCode(keynum);


if (keynum == "39")
{
	url = nexturl;
	return location.href=url;

}
if (keynum == "37")
{
	url = prevurl;
	return location.href=url;

}

}