function decode(l,shift)
{
	g = "";
	c = "";
	for ( i=0;i < l.length;i++)
	{
		c = l.charAt(i);
		g += String.fromCharCode( c.charCodeAt(0) - shift );
	}
	return g;
}

function decodeMail(l,shift)
{
	window.location.href = "mailto:" + decode(l,shift);
}

function decodeWrite(l,shift)
{
	document.write(decode(l,shift));
}

function encode(l,shift)
{
	g = "";
	c = "";
	for ( i=0;i < l.length;i++)
	{
		c = l.charAt(i);
		g += String.fromCharCode( c.charCodeAt(0) + shift ) ;
	}
	return g;
}