/*	Thank you Drew McLellan for starting us off
	with http://24ways.org/2006/tasty-text-trimmer	*/

TextTrimmer = Class.create();

TextTrimmer.prototype = {
    initialize: function(attachitem, targetitem, chunkClass, minValue, maxValue) {
		this.attachitem = attachitem;
		this.targetitem = targetitem;
		this.chunkClass	= chunkClass;
		this.minValue = minValue;
		this.maxValue = maxValue;

		this.curValue = maxValue;
		this.chunks = false;
		this.sliderhandle = 'trimmerhandle';
		this.slidertrack = 'trimmertrack';
		this.trimmore = 'trimmermore';
		this.trimless = 'trimmerless';

		this.prevState = null;

		this.trimMoreListener = this.trimMoreAction.bindAsEventListener(this);
		this.trimLessListener = this.trimLessAction.bindAsEventListener(this);

		this.init = false;
	},
	
	setupTrimmer: function(newvalue) {
		this.curValue = newvalue;

		if (this.curValue >= this.maxValue) {
			this.curValue = this.maxValue;
			$(this.targetitem).removeClassName("trimmed");
		} else if (this.curValue < this.minValue) {
			this.curValue = this.minValue;
		}

		this.chunks = false;

		var thisTrimmer = this;
		if (this.trimSlider instanceof Control.Slider) {
			this.trimSlider.dispose();
		}

		this.trimSlider = new Control.Slider(thisTrimmer.sliderhandle, thisTrimmer.slidertrack, {
			range: $R(thisTrimmer.minValue, thisTrimmer.maxValue),
			sliderValue: thisTrimmer.curValue,
			onSlide: function(value) { thisTrimmer.doTrim(value); },
			onChange: function(value) { thisTrimmer.doTrim(value); }
		});

		if (this.init) {
			Event.stopObserving(this.trimmore, 'click', this.trimMoreListener);
			Event.stopObserving(this.trimless, 'click', this.trimLessListener);
		}

		Event.observe(this.trimmore, 'click', this.trimMoreListener);
		Event.observe(this.trimless, 'click', this.trimLessListener);

		this.init = true;
   	},

	trimMoreAction: function() {
		this.trimSlider.setValue(this.curValue + 20);
	},

	trimLessAction: function() {
		this.trimSlider.setValue(this.curValue - 20);
	},

	trimAgain: function(value) {
		this.loadChunks();
		this.doTrim(value);
	},

    loa