function getPos(elm, event) {
				var pos = DomUtils.getPos(elm), x, y;

				x = event.pageX - pos.x;
				y = event.pageY - pos.y;

				x = Math.max(0, Math.min(x / elm.clientWidth, 1));
				y = Math.max(0, Math.min(y / elm.clientHeight, 1));

				return {
					x: x,
					y: y
				};
			}
Constructs a new colorpicker instance with the specified settings.

@constructor
@param {Object} settings Name/value object with settings.
@setting {String} color Initial color value.