Goon( "goon/1.1/redo/", "script.js",
{
	scr1: "script1.js",
	scr2: { file: "script2.js", mode: "exec" }
},
function() { 
	alert( "script" );

	var a = this.scr1.value;
	var b = this.scr2.value;
	var c = b - a;

	return { n1: a, n2: b, diff: c };
} );