var debug = 0;					// used to enable debugging, 1 for ON, 0 for OFF

	var clrHighlighted = "#E8E6ED";			// highlight for cells

	var clrUnhighlighted = "#FFFFFF";		// unhighlight for cells

	var intStartCalculator = 0;			// the starting number of the calculator/layer

	var intTotalCalculators = 0;			// total number of calculators/layers

		

	debug = 0;