var p2 = {x: cosa + (4 / 3) * (1 - cosa), y: sina - (4 / 3) * cosa * (1 - cosa) / sina}; 
var cosa  = Math.cos(alpha), sina  = Math.sin(alpha), p2 = {x: cosa + (4 / 3) * (1 - cosa), y: sina - (4 / 3) * cosa * (1 - cosa) / sina}; 
dojox.gfx.path._calcArc = function(alpha){	var cosa  = Math.cos(alpha);	var sina  = Math.sin(alpha);	// return a start point, 1st and 2nd control points, and an end point	var p2 = {x: cosa + (4 / 3) * (1 - cosa), y: sina - (4 / 3) * cosa * (1 - cosa) / sina};	return {		e:  {x: cosa, y: sina},		c2: p2,		c1: {x: p2.x, y: -p2.y},		s:  {x: cosa, y: -sina}	};};
5168	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5168/2ca5c8c82fd0454e090d592c5a93d8a890c88aaa/vml.js/clean/gfx/vml.js