var d =
	{
	DEBUG: true,
	act: function (s)
		{
		// $('#msg').append('<strong>'+s+'</strong><br/>')
		// d.scrollToBottom("#msg")
		if (d.DEBUG)
			console.log(s)
		return false
		},
	joy: function (s)
		{
		// $('#msg').append('<b>'+s+'</b><br/>')
		// d.scrollToBottom("#msg")
		if (d.DEBUG)
			console.log(s)
		return false
		},
	warn: function (s)
		{
		// $('#msg').append(s+'<br/>')
		// d.scrollToBottom("#msg")
		if (d.DEBUG)
			console.log(s)
		return false
		},
	error: function (s)
		{
		// $('#msg').append('<em>ERROR: '+s+'</em><br/>')
		// d.scrollToBottom("#msg")
		console.log(s)
		return false
		},
	noop: function () {},
	scrollToTop: function (elem)
		{
		$(elem).scrollTop( 0 )
		},
	scrollToBottom: function (elem)
		{
		try
			{
			$(elem).scrollTop( $(elem)[0].scrollHeight )
			}
		catch (err)
			{
			}
		},
	pageUp: function (div)
		{
		var st = $(div).scrollTop()
		var h = $(window).height()
		d.warn("PAGEUP: "+st+" "+h)
		$(div).scrollTop( st - (2/3) * h )
		var st = $(div).scrollTop()
		d.warn("ST NOW: "+st+" "+h)
		},
	pageDown: function (div)
		{
		var st = $(div).scrollTop()
		var h = $(window).height()
		$(div).scrollTop( st + (2/3) * h )
		},
	choice: function (list)
		{
		return list[Math.floor (Math.random () * list.length)]
		},
	trim: function (s)
		{
		if (s)
			return s.replace(/^\s+|\s+$/g,"")
		else
			return ""
		},
	sanitizeWithNewlines: function (s)
		{
		if (s)
			return d.trim( s ).replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\"/g,"&quot;").replace(/\0/g,"")
		return ""
		},
	sanitize: function (s)
		{
		if (s)
			return d.trim( s ).replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\"/g,"&quot;").replace(/\n/g,"").replace(/\r/g,"").replace(/\0/g,"")
		return ""
		},
	linkify: function (s)
		{
		var words = s.split(" ")
		var checked = []
		for (i in words)
			{
			var word = words[i]
			if (words[i].indexOf("http") === 0)
				{
				var poffset = word.indexOf('//')
				var linktext = word.substr(poffset+2, word.indexOf('/', poffset+2))
				checked.push('<a href="'+word+'" target="_blank">'+linktext+'</a>')
				}
			else
				checked.push(word)
			}
		return checked.join(" ")
		},
	enableStylesheet: function (style)
		{
		$("link[@rel*=style][title]").each(function (i)
			{
			if (this.getAttribute('title') == style)
				this.disabled = false
			})
		},
	disableStylesheet: function (style)
		{
		$("link[@rel*=style][title]").each(function (i)
			{
			if (this.getAttribute('title') == style)
				this.disabled = true
			})
		},
	buildLookup: function (list)
		{
		var lookup = {}
		for (var i = 0; i < list.length; i++)
			lookup[list[i]] = true
		return lookup
		}
	}