old_contents: define(["dojo/_base/array", "dojo/_base/declare", "dojox/color"], 
  	function(arr, declare, Color){
  	
  	return declare("dojox.color._ColorModelBase", null, {
  		// summary:
  		//		Base class for color models that return a color from a data value
  		//		using an interpolation between two extremum colors.
  		
  		_startColor: null, 
  		_endColor: null, 
  	
  		constructor: function(startColor, endColor){
  			//	summary:
  			//		Construct a color model interpolating between start and end color.
  			//		If only start color is provided use it to compute reasonable start and end
  			//		colors from it.
  			//	startColor: Color
  			//		The start color. 
  			//	endColor: Color?
  			//		The end color.
  			if(endColor != undefined){
  				this._startColor = startColor;
  				this._endColor = endColor;
  			}else{
  				// When only one color is provided
  				// use only the hue, and compute
  				// the start/end colors by playing
  				// with the luminance...    			
  				var hsl = startColor.toHsl();
  				hsl.s = 100; 
  				hsl.l = 85; 
  				this._startColor = Color.fromHsl(hsl.h, hsl.s, hsl.l);
  				this._startColor.a = startColor.a;
  				hsl.l = 15;
  				this._endColor = Color.fromHsl(hsl.h, hsl.s, hsl.l);
  				this._endColor.a = startColor.a;
  			}
  		},
  		
  		_getInterpoledValue: function(from, to, value){
  			return(from + (to - from) * value);
  		},
  	
  		getNormalizedValue: function(value){
  			//	summary:
  			//		Return the normalized (between 0 and 1) value for a given data value.
  			//		This function must be implemented by implementations.
  			//	value: Number
  			//		The data value. 			
  		},
  	
  		getColor: function(value){
  			//	summary:
  			//		return the color for a given data value.
  			//	value: Number
  			//		The data value. 			
  			var completion = this.getNormalizedValue(value);
  			var hslFrom = this._startColor.toHsl();
  			var hslTo = this._endColor.toHsl();
  			var h = this._getInterpoledValue(hslFrom.h, hslTo.h, completion);
  			var s = this._getInterpoledValue(hslFrom.s, hslTo.s, completion);
  			var l = this._getInterpoledValue(hslFrom.l, hslTo.l, completion);
  			var a = this._getInterpoledValue(this._startColor.a, this._endColor.a, completion);
  			var c = Color.fromHsl(h, s, l);
  			c.a = a;
  			return c;
  		}
  	});
  });
  
new_contents: define(["dojo/_base/array", "dojo/_base/declare", "dojox/color"], 
  	function(arr, declare, color){
  	
  	return declare("dojox.color._ColorModelBase", null, {
  		// summary:
  		//		Base class for color models that return a color from a data value
  		//		using an interpolation between two extremum colors.
  		
  		_startColor: null, 
  		_endColor: null, 
  	
  		constructor: function(startColor, endColor){
  			//	summary:
  			//		Construct a color model interpolating between start and end color.
  			//		If only start color is provided use it to compute reasonable start and end
  			//		colors from it.
  			//	startColor: Color
  			//		The start color. 
  			//	endColor: Color?
  			//		The end color.
  			if(endColor != undefined){
  				this._startColor = startColor;
  				this._endColor = endColor;
  			}else{
  				// When only one color is provided
  				// use only the hue, and compute
  				// the start/end colors by playing
  				// with the luminance...    			
  				var hsl = startColor.toHsl();
  				hsl.s = 100; 
  				hsl.l = 85; 
  				this._startColor = color.fromHsl(hsl.h, hsl.s, hsl.l);
  				this._startColor.a = startColor.a;
  				hsl.l = 15;
  				this._endColor = color.fromHsl(hsl.h, hsl.s, hsl.l);
  				this._endColor.a = startColor.a;
  			}
  		},
  		
  		_getInterpoledValue: function(from, to, value){
  			return(from + (to - from) * value);
  		},
  	
  		getNormalizedValue: function(value){
  			//	summary:
  			//		Return the normalized (between 0 and 1) value for a given data value.
  			//		This function must be implemented by implementations.
  			//	value: Number
  			//		The data value. 			
  		},
  	
  		getColor: function(value){
  			//	summary:
  			//		return the color for a given data value.
  			//	value: Number
  			//		The data value. 			
  			var completion = this.getNormalizedValue(value);
  			var hslFrom = this._startColor.toHsl();
  			var hslTo = this._endColor.toHsl();
  			var h = this._getInterpoledValue(hslFrom.h, hslTo.h, completion);
  			var s = this._getInterpoledValue(hslFrom.s, hslTo.s, completion);
  			var l = this._getInterpoledValue(hslFrom.l, hslTo.l, completion);
  			var a = this._getInterpoledValue(this._startColor.a, this._endColor.a, completion);
  			var c = color.fromHsl(h, s, l);
  			c.a = a;
  			return c;
  		}
  	});
  });
  
subject: fix capitalization for non class module