// JavaScript Document

function goprev()

		{
		var e,s;
		IB=-1;
		function isDigit(c) { return ("0" <= c && c <= "9") } L = location.href;LL = L.length;
		for (e=LL-1;e>=0;--e) if (isDigit(L.charAt(e))) { for(s=e-1;s>=0;--s) if (!isDigit(L.charAt(s))) break;
		break;
		} ++s;
		if (e<0) return;
		oldNum = L.substring(s,e+1);
		newNum = "" + (parseInt(oldNum,10) + IB);
		while (newNum.length < oldNum.length) newNum = "0" + newNum;
		location.href = L.substring(0,s) + newNum + L.slice(e+1);
		}
		
function gonext()

		{
		var e,s;
		IB=1;
		function isDigit(c) { return ("0" <= c && c <= "9") } L = location.href;
		LL = L.length; for (e=LL-1; e>=0; --e) if (isDigit(L.charAt(e))) { for(s=e-1; s>=0; --s) if (!isDigit(L.charAt(s))) break;
		break;
		} ++s;
		if (e<0) return; oldNum = L.substring(s,e+1);
		newNum = "" + (parseInt(oldNum,10) + IB);
		while (newNum.length < oldNum.length) newNum = "0" + newNum;
		location.href = L.substring(0,s) + newNum + L.slice(e+1);
		}