Fix strict mode errors in built-ins/Math

Add missing "var" declarations.

Part of issue #35.

test/built-ins/Math/E/S15.8.1.1_A2.js

@@ -8,7 +8,7 @@ description: Checking if Math.E property has the attribute DontEnum
 ---*/
 
 // CHECK#1
-for(x in Math) {
+for(var x in Math) {
   if(x === "E") {
     $ERROR('#1: Value Property E of the Math Object hasn\'t attribute DontEnum: \'for(x in Math) {x==="E"}\'');
   }

test/built-ins/Math/LN10/S15.8.1.2_A2.js

@@ -8,7 +8,7 @@ description: Checking if Math.LN10 property has the attribute DontEnum
 ---*/
 
 // CHECK#1
-for(x in Math) {
+for(var x in Math) {
   if(x === "LN10") {
     $ERROR('#1: Value Property LN10 of the Math Object hasn\'t attribute DontEnum: \'for(x in Math) {x==="LN10"}\'');
   }

test/built-ins/Math/LN2/S15.8.1.3_A2.js

@@ -8,7 +8,7 @@ description: Checking if Math.LN2 property has the attribute DontEnum
 ---*/
 
 // CHECK#1
-for(x in Math) {
+for(var x in Math) {
   if(x === "LN2") {
     $ERROR('#1: Value Property LN2 of the Math Object hasn\'t attribute DontEnum: \'for(x in Math) {x==="LN2"}\'');
   }

test/built-ins/Math/LOG10E/S15.8.1.5_A2.js

@@ -8,7 +8,7 @@ description: Checking if Math.LOG10E property has the attribute DontEnum
 ---*/
 
 // CHECK#1
-for(x in Math) {
+for(var x in Math) {
   if(x === "LOG10E") {
     $ERROR('#1: Value Property LOG10E of the Math Object hasn\'t attribute DontEnum: \'for(x in Math) {x==="LOG10E"}\'');
   }

test/built-ins/Math/LOG2E/S15.8.1.4_A2.js

@@ -8,7 +8,7 @@ description: Checking if Math.LOG2E property has the attribute DontEnum
 ---*/
 
 // CHECK#1
-for(x in Math) {
+for(var x in Math) {
   if(x === "LOG2E") {
     $ERROR('#1: Value Property LOG2E of the Math Object hasn\'t attribute DontEnum: \'for(x in Math) {x==="LOG2E"}\'');
   }

test/built-ins/Math/PI/S15.8.1.6_A2.js

@@ -8,7 +8,7 @@ description: Checking if Math.PI property has the attribute DontEnum
 ---*/
 
 // CHECK#1
-for(x in Math) {
+for(var x in Math) {
   if(x === "PI") {
     $ERROR('#1: Value Property PI of the Math Object hasn\'t attribute DontEnum: \'for(x in Math) {x==="PI"}\'');
   }

test/built-ins/Math/SQRT1_2/S15.8.1.7_A2.js

@@ -8,7 +8,7 @@ description: Checking if Math.SQRT1_2 property has the attribute DontEnum
 ---*/
 
 // CHECK#1
-for(x in Math) {
+for(var x in Math) {
   if(x === "SQRT1_2") {
     $ERROR('#1: Value Property SQRT1_2 of the Math Object hasn\'t attribute DontEnum: \'for(x in Math) {x==="SQRT1_2"}\'');
   }

test/built-ins/Math/SQRT2/S15.8.1.8_A2.js

@@ -8,7 +8,7 @@ description: Checking if Math.SQRT2 property has the attribute DontEnum
 ---*/
 
 // CHECK#1
-for(x in Math) {
+for(var x in Math) {
   if(x === "SQRT2") {
     $ERROR('#1: Value Property SQRT2 of the Math Object hasn\'t attribute DontEnum: \'for(x in Math) {x==="SQRT2"}\'');
   }

test/built-ins/Math/acos/S15.8.2.2_A5.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x = new Array();
 x[0] = -1.00000000000000000000;
 x[1] = -0.96825396825396826000;
@@ -156,7 +156,7 @@ y[63] = 0.00000000000000000000;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.acos(x[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/asin/S15.8.2.3_A6.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x = new Array();
 x[0] = -1.00000000000000000000;
 x[1] = -0.96825396825396826000;
@@ -155,7 +155,7 @@ y[63] = 1.57079632679489660000;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.asin(x[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/atan/S15.8.2.4_A6.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x = new Array();
 x[0] = -16.00000000000000000000;
 x[1] = -15.49206349206349200000;
@@ -155,7 +155,7 @@ y[63] = 1.50837751679893930000;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.atan(x[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/atan2/S15.8.2.5_A1.js

@@ -11,7 +11,7 @@ description: >
 
 // CHECK#1
 
-vals = new Array();
+var vals = new Array();
 vals[0] = -Infinity;
 vals[1] = -0.000000000000001;
 vals[2] = -0;
@@ -19,13 +19,13 @@ vals[3] = +0
 vals[4] = 0.000000000000001;
 vals[5] = +Infinity;
 vals[6] = NaN;
-valnum = 7;
+var valnum = 7;
 
-args = new Array();
-for (i = 0; i < 2; i++)
+var args = new Array();
+for (var i = 0; i < 2; i++)
 {
 	args[i] = NaN;
-	for (j = 0; j < valnum; j++)
+	for (var j = 0; j < valnum; j++)
 	{
 		args[1-i] = vals[j];
 		if (!isNaN(Math.atan2(args[0], args[1])))

test/built-ins/Math/atan2/S15.8.2.5_A10.js

@@ -14,7 +14,7 @@ includes:
 
 // CHECK#1
 //prec = 0.00000000000001;
-y = -0;
-x = -0;
+var y = -0;
+var x = -0;
 if (!isEqual(Math.atan2(y,x), -Math.PI))
 	$ERROR("#1: !isEqual(Math.atan2(-0,-0), -Math.PI)");

test/built-ins/Math/atan2/S15.8.2.5_A11.js

@@ -14,15 +14,15 @@ includes:
 ---*/
 
 // CHECK#1
-y = -0;
+var y = -0;
 //prec = 0.00000000000001;
-x = new Array();
+var x = new Array();
 x[0] = -0.000000000000001;
 x[2] = -Infinity;
 x[1] = -1; 
-xnum = 3;
+var xnum = 3;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (!isEqual(Math.atan2(y,x[i]), - Math.PI))
 		$FAIL("#1: Math.abs(Math.atan2(" + y + ", " + x[i] + ") + Math.PI) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A12.js

@@ -16,15 +16,15 @@ includes:
 ---*/
 
 // CHECK#1
-x = +0;
+var x = +0;
 //prec = 0.00000000000001;
-y = new Array();
+var y = new Array();
 y[0] = -0.000000000000001;
 y[2] = -Infinity;
 y[1] = -1; 
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (!isEqual(Math.atan2(y[i],x), -(Math.PI)/2))
 		$FAIL("#1: Math.abs(Math.atan2(" + y[i] + ", " + x + ") + ((Math.PI)/2)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A13.js

@@ -16,15 +16,15 @@ includes:
 ---*/
 
 // CHECK#1
-x = -0;
+var x = -0;
 //prec = 0.00000000000001;
-y = new Array();
+var y = new Array();
 y[0] = -0.000000000000001;
 y[2] = -Infinity;
 y[1] = -1; 
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (!isEqual(Math.atan2(y[i],x), -(Math.PI)/2))
 		$FAIL("#1: Math.abs(Math.atan2(" + y[i] + ", -0) + ((Math.PI)/2)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A14.js

@@ -11,14 +11,14 @@ includes: [$FAIL.js]
 ---*/
 
 // CHECK#1
-x = +Infinity;
-y = new Array();
+var x = +Infinity;
+var y = new Array();
 y[0] = 0.000000000000001;
 y[1] = 1;
 y[2] = 1.7976931348623157E308; //largest finite number 
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.atan2(y[i],x) !== +0)
 		$FAIL("#1: Math.atan2(" + y[i] + ", " + x + ") !== +0");

test/built-ins/Math/atan2/S15.8.2.5_A15.js

@@ -16,14 +16,14 @@ includes:
 ---*/
 
 // CHECK#1
-x = -Infinity;
-y = new Array();
+var x = -Infinity;
+var y = new Array();
 y[0] = 0.000000000000001;
 y[1] = 1;
 y[2] = 1.7976931348623157E308; //largest finite number 
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (!isEqual(Math.atan2(y[i],x),Math.PI))
 		$FAIL("#1: Math.abs(Math.atan2(" + y[i] + ", " + x + ") - Math.PI) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A16.js

@@ -11,14 +11,14 @@ includes: [$FAIL.js]
 ---*/
 
 // CHECK#1
-x = +Infinity;
-y = new Array();
+var x = +Infinity;
+var y = new Array();
 y[0] = -0.000000000000001;
 y[1] = -1;
 y[2] = -1.7976931348623157E308; //largest by abs() finite number 
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.atan2(y[i],x) !== -0)
 		$FAIL("#1: Math.atan2(" + y[i] + ", " + x + ") !== -0");

test/built-ins/Math/atan2/S15.8.2.5_A17.js

@@ -16,14 +16,14 @@ includes:
 ---*/
 
 // CHECK#1
-x = -Infinity;
-y = new Array();
+var x = -Infinity;
+var y = new Array();
 y[0] = -0.000000000000001;
 y[1] = -1;
 y[2] = -1.7976931348623157E308; //largest (by module) finite number 
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (!isEqual(Math.atan2(y[i],x), -Math.PI))
 		$FAIL("#1: Math.abs(Math.atan2(" + y[i] + ", " + x + ") + Math.PI) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A18.js

@@ -16,8 +16,8 @@ includes:
 ---*/
 
 // CHECK#1
-y = +Infinity;
-x = new Array();
+var y = +Infinity;
+var x = new Array();
 x[0] = 0.000000000000001;
 x[1] = 1;
 x[2] = 1.7976931348623157E308; //largest finite number
@@ -25,9 +25,9 @@ x[3] = -0.000000000000001;
 x[4] = -1;
 x[5] = -1.7976931348623157E308; //largest (by module) finite number 
  
-xnum = 6;
+var xnum = 6;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (!isEqual(Math.atan2(y,x[i]), (Math.PI)/2))
 		$FAIL("#1: Math.abs(Math.atan2(" + y + ", " + x[i] + ") - (Math.PI/2)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A19.js

@@ -17,8 +17,8 @@ includes:
 
 // CHECK#1
 //prec = 0.00000000000001;
-y = -Infinity;
-x = new Array();
+var y = -Infinity;
+var x = new Array();
 x[0] = 0.000000000000001;
 x[1] = 1;
 x[2] = 1.7976931348623157E308; //largest finite number
@@ -26,9 +26,9 @@ x[3] = -0.000000000000001;
 x[4] = -1;
 x[5] = -1.7976931348623157E308; //largest (by module) finite number 
  
-xnum = 6;
+var xnum = 6;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (!isEqual(Math.atan2(y,x[i]), -(Math.PI)/2))
 		$FAIL("#1: Math.abs(Math.atan2(" + y + ", " + x[i] + ") + (Math.PI/2)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A2.js

@@ -16,15 +16,15 @@ includes:
 ---*/
 
 // CHECK#1
-x = +0;
+var x = +0;
 //prec = 0.00000000000001;
-y = new Array();
+var y = new Array();
 y[0] = 0.000000000000001;
 y[2] = +Infinity;
 y[1] = 1; 
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (!isEqual(Math.atan2(y[i],x),(Math.PI)/2))
 		$FAIL("#1: Math.abs(Math.atan2(" + y[i] + ", " + x + ") - ((Math.PI)/2)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A20.js

@@ -16,8 +16,8 @@ includes:
 
 // CHECK#1
 //prec = 0.00000000000001;
-y = +Infinity;
-x = +Infinity;
+var y = +Infinity;
+var x = +Infinity;
 
 if (!isEqual(Math.atan2(y,x),(Math.PI)/4))
 	$ERROR("#1: Math.abs(Math.atan2(" + y + ", " + x + ") - (Math.PI/4)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A21.js

@@ -16,8 +16,8 @@ includes:
 
 // CHECK#1
 //prec = 0.00000000000001;
-y = +Infinity;
-x = -Infinity;
+var y = +Infinity;
+var x = -Infinity;
 
 if (!isEqual(Math.atan2(y,x), (3*Math.PI)/4))
 	$ERROR("#1: Math.abs(Math.atan2(" + y + ", " + x + ") - (3*Math.PI/4)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A22.js

@@ -16,8 +16,8 @@ includes:
 
 // CHECK#1
 //prec = 0.00000000000001;
-y = -Infinity;
-x = +Infinity;
+var y = -Infinity;
+var x = +Infinity;
 
 if (!isEqual(Math.atan2(y,x),- (Math.PI)/4))
 	$ERROR("#1: Math.abs(Math.atan2(" + y + ", " + x + ") + (Math.PI/4)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A23.js

@@ -16,8 +16,8 @@ includes:
 
 // CHECK#1
 //prec = 0.00000000000001;
-y = -Infinity;
-x = -Infinity;
+var y = -Infinity;
+var x = -Infinity;
 
 if (!isEqual(Math.atan2(y,x), -(3*Math.PI)/4))
 	$ERROR("#1: Math.abs(Math.atan2(" + y + ", " + x + ") + (3*Math.PI/4)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A24.js

@@ -17,7 +17,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x1 = new Array();
 x1[0] = -16.00000000000000000000;
 x1[1] = -15.49206349206349200000;
@@ -221,7 +221,7 @@ y[63] = 1.10714871779409040000;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.atan2(x1[i], x2[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/atan2/S15.8.2.5_A3.js

@@ -16,15 +16,15 @@ includes:
 ---*/
 
 // CHECK#1
-x = -0;
+var x = -0;
 //prec = 0.00000000000001;
-y = new Array();
+var y = new Array();
 y[0] = 0.000000000000001;
 y[2] = +Infinity;
 y[1] = 1; 
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (!isEqual(Math.atan2(y[i],x), (Math.PI)/2))
 		$FAIL("#1: Math.abs(Math.atan2(" + y[i] + ", " + x + ") - ((Math.PI)/2)) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A4.js

@@ -9,14 +9,14 @@ includes: [$FAIL.js]
 ---*/
 
 // CHECK#1
-y = +0;
-x = new Array();
+var y = +0;
+var x = new Array();
 x[0] = 0.000000000000001;
 x[2] = +Infinity;
 x[1] = 1; 
-xnum = 3;
+var xnum = 3;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (Math.atan2(y,x[i]) !== +0)
 		$FAIL("#1: Math.atan2(" + y + ", " + x[i] + ") !== +0");

test/built-ins/Math/atan2/S15.8.2.5_A5.js

@@ -8,7 +8,7 @@ description: Checking if Math.atan2(y,x) is +0, where y is +0 and x is +0
 ---*/
 
 // CHECK#1
-y = +0;
-x = +0;
+var y = +0;
+var x = +0;
 if (Math.atan2(y,x) !== +0)
 	$ERROR("#1: Math.atan2(" + y + ", " + x + ") !== +0");

test/built-ins/Math/atan2/S15.8.2.5_A6.js

@@ -16,7 +16,7 @@ includes:
 
 // CHECK#1
 //prec = 0.00000000000001;
-y = +0;
-x = -0;
+var y = +0;
+var x = -0;
 if (!isEqual(Math.atan2(y,x), Math.PI))
 	$ERROR("#1: Math.abs(Math.atan2(" + y + ", -0) - Math.PI) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A7.js

@@ -16,15 +16,15 @@ includes:
 ---*/
 
 // CHECK#1
-y = +0;
+var y = +0;
 //prec = 0.00000000000001;
-x = new Array();
+var x = new Array();
 x[0] = -0.000000000000001;
 x[2] = -Infinity;
 x[1] = -1; 
-xnum = 3;
+var xnum = 3;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (!isEqual(Math.atan2(y,x[i]), Math.PI))
 		$FAIL("#1: Math.abs(Math.atan2(" + y + ", " + x[i] + ") - Math.PI) >= " + prec);

test/built-ins/Math/atan2/S15.8.2.5_A8.js

@@ -9,14 +9,14 @@ includes: [$FAIL.js]
 ---*/
 
 // CHECK#1
-y = -0;
-x = new Array();
+var y = -0;
+var x = new Array();
 x[0] = 0.000000000000001;
 x[2] = +Infinity;
 x[1] = 1; 
-xnum = 3;
+var xnum = 3;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (Math.atan2(y,x[i]) !== -0)
 		$FAIL("#1: Math.atan2(" + y + ", " + x[i] + ") !== -0");

test/built-ins/Math/atan2/S15.8.2.5_A9.js

@@ -8,7 +8,7 @@ description: Checking if Math.atan2(y,x) is -0, where y is -0 and x is +0
 ---*/
 
 // CHECK#1
-y = -0;
-x = +0;
+var y = -0;
+var x = +0;
 if (Math.atan2(y,x) !== -0)
 	$ERROR("#1: Math.atan2(" + y + ", " + x + ") !== -0");

test/built-ins/Math/ceil/S15.8.2.6_A7.js

@@ -10,9 +10,9 @@ description: >
 ---*/
 
 // CHECK#1
-for (i=-1000; i<1000; i++)
+for (var i=-1000; i<1000; i++)
 {
-	x = i/10.0;
+	var x = i/10.0;
 	if (Math.ceil(x) !== -Math.floor(-x))
 	{
 		$ERROR("#1: 'x = " + x + "; Math.ceil(x) !== -Math.floor(-x)'");

test/built-ins/Math/cos/S15.8.2.7_A6.js

@@ -12,17 +12,17 @@ includes: [$FAIL.js]
 ---*/
 
 // CHECK#1
-  prec = 0.000000000003;
+var prec = 0.000000000003;
 //prec = 0.000000000000001;
-period = 2*Math.PI;
-pernum = 100;
+var period = 2*Math.PI;
+var pernum = 100;
 
-a = -pernum * period;
-b = pernum * period;
-snum = 9; 
-step = period/snum + 0.0;
-x = new Array();
-for (i = 0; i < snum; i++)
+var a = -pernum * period;
+var b = pernum * period;
+var snum = 9;
+var step = period/snum + 0.0;
+var x = new Array();
+for (var i = 0; i < snum; i++)
 {
 	x[i] = a + i*step;
 }

test/built-ins/Math/cos/S15.8.2.7_A7.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x = new Array();
 x[0] = -3.14159265358979310000;
 x[1] = -3.04185955347583150000;
@@ -152,7 +152,7 @@ y[63] = -1.00000000000000000000;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.cos(x[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/exp/S15.8.2.8_A6.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x = new Array();
 x[0] = -16.00000000000000000000;
 x[1] = -15.49206349206349200000;
@@ -154,7 +154,7 @@ y[63] = 8886110.520507872100000000;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.exp(x[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/floor/S15.8.2.9_A7.js

@@ -10,9 +10,9 @@ description: >
 ---*/
 
 // CHECK#1
-for (i=-1000; i<1000; i++)
+for (var i=-1000; i<1000; i++)
 {
-	x = i/10.0;
+	var x = i/10.0;
 	if (-Math.ceil(-x) !== Math.floor(x))
 	{
 		$ERROR("#1: 'x = " + x + "; Math.floor(x) !== -Math.ceil(-x)'");

test/built-ins/Math/log/S15.8.2.10_A6.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x = new Array();
 x[0] = 0.00000000000000000000;
 x[1] = 0.25396825396825395000;
@@ -153,7 +153,7 @@ y[63] = 2.77258872223978110000;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.log(x[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/max/S15.8.2.11_A2.js

@@ -16,7 +16,7 @@ if (!isNaN(Math.max(NaN)))
 }
 
 // CHECK#2
-vals = new Array();
+var vals = new Array();
 vals[0] = -Infinity;
 vals[1] = -0.000000000000001;
 vals[2] = -0;
@@ -24,13 +24,13 @@ vals[3] = +0
 vals[4] = 0.000000000000001;
 vals[5] = +Infinity;
 vals[6] = NaN;
-valnum = 7;
+var valnum = 7;
 
-args = new Array();
-for (i = 0; i <= 1; i++)
+var args = new Array();
+for (var i = 0; i <= 1; i++)
 {
 	args[i] = NaN;
-	for (j = 0; j < valnum; j++)
+	for (var j = 0; j < valnum; j++)
 	{
 		args[1-i] = vals[j];
 		if (!isNaN(Math.max(args[0], args[1])))
@@ -43,7 +43,7 @@ for (i = 0; i <= 1; i++)
 // CHECK #3
 var k = 1;
 var l = 2;
-for (i = 0; i <= 2; i++)
+for (var i = 0; i <= 2; i++)
 {
 	args[i] = NaN;
 	if (i === 1)
@@ -53,9 +53,9 @@ for (i = 0; i <= 2; i++)
 	{
 	 	l = 1;	
 	}
-	for (j = 0; j < valnum; j++)
+	for (var j = 0; j < valnum; j++)
 	{
-		for (jj = 0; jj < valnum; jj++)
+		for (var jj = 0; jj < valnum; jj++)
 		{
 			args[k] = vals[j];
 			args[l] = vals[jj];

test/built-ins/Math/min/S15.8.2.12_A2.js

@@ -16,7 +16,7 @@ if (!isNaN(Math.min(NaN)))
 }
 
 // CHECK#2
-vals = new Array();
+var vals = new Array();
 vals[0] = -Infinity;
 vals[1] = -0.000000000000001;
 vals[2] = -0;
@@ -24,13 +24,13 @@ vals[3] = +0
 vals[4] = 0.000000000000001;
 vals[5] = +Infinity;
 vals[6] = NaN;
-valnum = 7;
+var valnum = 7;
 
-args = new Array();
-for (i = 0; i <= 1; i++)
+var args = new Array();
+for (var i = 0; i <= 1; i++)
 {
 	args[i] = NaN;
-	for (j = 0; j < valnum; j++)
+	for (var j = 0; j < valnum; j++)
 	{
 		args[1-i] = vals[j];
 		if (!isNaN(Math.min(args[0], args[1])))
@@ -43,7 +43,7 @@ for (i = 0; i <= 1; i++)
 // CHECK #3
 var k = 1;
 var l = 2;
-for (i = 0; i <= 2; i++)
+for (var i = 0; i <= 2; i++)
 {
 	args[i] = NaN;
 	if (i === 1)
@@ -53,9 +53,9 @@ for (i = 0; i <= 2; i++)
 	{
 	 	l = 1;	
 	}
-	for (j = 0; j < valnum; j++)
+	for (var j = 0; j < valnum; j++)
 	{
-		for (jj = 0; jj < valnum; jj++)
+		for (var jj = 0; jj < valnum; jj++)
 		{
 			args[k] = vals[j];
 			args[l] = vals[jj];

test/built-ins/Math/pow/S15.8.2.13_A1.js

@@ -9,8 +9,8 @@ description: Checking if Math.pow(x,y) is NaN, where y is NaN
 
 // CHECK#1
 
-y = NaN;
-x = new Array();
+var y = NaN;
+var x = new Array();
 x[0] = -Infinity;
 x[1] = -1.7976931348623157E308; //largest (by module) finite number
 x[2] = -0.000000000000001;
@@ -20,9 +20,9 @@ x[5] = 0.000000000000001;
 x[6] = 1.7976931348623157E308; //largest finite number
 x[7] = +Infinity;
 x[8] = NaN;
-xnum = 9;
+var xnum = 9;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (!isNaN(Math.pow(x[i],y)))
 	{

test/built-ins/Math/pow/S15.8.2.13_A10.js

@@ -11,17 +11,17 @@ description: >
 
 // CHECK#1
 
-y = -Infinity;
-x = new Array();
+var y = -Infinity;
+var x = new Array();
 x[0] = 0.999999999999999;
 x[1] = 0.5;
 x[2] = +0;
 x[3] = -0;
 x[4] = -0.5;
 x[5] = -0.999999999999999;
-xnum = 6;
+var xnum = 6;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (Math.pow(x[i],y) !== +Infinity)
 	{

test/built-ins/Math/pow/S15.8.2.13_A11.js

@@ -11,15 +11,15 @@ description: >
 
 // CHECK#1
 
-x = +Infinity;
-y = new Array();
+var x = +Infinity;
+var y = new Array();
 y[3] = Infinity;
 y[2] = 1.7976931348623157E308; //largest (by module) finite number
 y[1] = 1;
 y[0] = 0.000000000000001;
-ynum = 4;
+var ynum = 4;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== +Infinity)
 	{

test/built-ins/Math/pow/S15.8.2.13_A12.js

@@ -11,15 +11,15 @@ description: >
 
 // CHECK#1
 
-x = +Infinity;
-y = new Array();
+var x = +Infinity;
+var y = new Array();
 y[0] = -Infinity;
 y[1] = -1.7976931348623157E308; //largest (by module) finite number
 y[2] = -1;
 y[3] = -0.000000000000001;
-ynum = 4;
+var ynum = 4;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== +0)
 	{

test/built-ins/Math/pow/S15.8.2.13_A13.js

@@ -13,14 +13,14 @@ description: >
 
 // CHECK#1
 
-x = -Infinity;
-y = new Array();
+var x = -Infinity;
+var y = new Array();
 y[0] = 1;
 y[1] = 111;
 y[2] = 111111;
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== -Infinity)
 	{

test/built-ins/Math/pow/S15.8.2.13_A14.js

@@ -13,16 +13,16 @@ description: >
 
 // CHECK#1
 
-x = -Infinity;
-y = new Array();
+var x = -Infinity;
+var y = new Array();
 y[0] = 0.000000000000001;
 y[1] = 2;
 y[2] = Math.PI;
 y[3] = 1.7976931348623157E308; //largest finite number
 y[4] = +Infinity;
-ynum = 5;
+var ynum = 5;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== +Infinity)
 	{

test/built-ins/Math/pow/S15.8.2.13_A15.js

@@ -11,14 +11,14 @@ description: >
 
 // CHECK#1
 
-x = -Infinity;
-y = new Array();
+var x = -Infinity;
+var y = new Array();
 y[2] = -1;
 y[1] = -111; 
 y[0] = -111111;
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== -0)
 	{

test/built-ins/Math/pow/S15.8.2.13_A16.js

@@ -11,16 +11,16 @@ description: >
 
 // CHECK#1
 
-x = -Infinity;
-y = new Array();
+var x = -Infinity;
+var y = new Array();
 y[4] = -0.000000000000001;
 y[3] = -2;
 y[2] = -Math.PI;
 y[1] = -1.7976931348623157E308; //largest (by module) finite number
 y[0] = -Infinity;
-ynum = 5;
+var ynum = 5;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== +0)
 	{

test/built-ins/Math/pow/S15.8.2.13_A17.js

@@ -9,15 +9,15 @@ description: Checking if Math.pow(x,y) equals to +0, where x is +0 and y>0
 
 // CHECK#1
 
-x = +0;
-y = new Array();
+var x = +0;
+var y = new Array();
 y[3] = Infinity;
 y[2] = 1.7976931348623157E308; //largest finite number
 y[1] = 1;
 y[0] = 0.000000000000001;
-ynum = 4;
+var ynum = 4;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== +0)
 	{

test/built-ins/Math/pow/S15.8.2.13_A18.js

@@ -11,15 +11,15 @@ description: >
 
 // CHECK#1
 
-x = +0;
-y = new Array();
+var x = +0;
+var y = new Array();
 y[0] = -Infinity;
 y[1] = -1.7976931348623157E308; //largest (by module) finite number
 y[2] = -1;
 y[3] = -0.000000000000001;
-ynum = 4;
+var ynum = 4;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== +Infinity)
 	{

test/built-ins/Math/pow/S15.8.2.13_A19.js

@@ -9,14 +9,14 @@ description: Checking if Math.pow(x,y) equals to -0, where x is -0 and y>0
 
 // CHECK#1
 
-x = -0;
-y = new Array();
+var x = -0;
+var y = new Array();
 y[0] = 1;
 y[1] = 111;
 y[2] = 111111;
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== -0)
 	{

test/built-ins/Math/pow/S15.8.2.13_A2.js

@@ -11,8 +11,8 @@ description: >
 
 // CHECK#1
 
-y = +0;
-x = new Array();
+var y = +0;
+var x = new Array();
 x[0] = -Infinity;
 x[1] = -1.7976931348623157E308; //largest (by module) finite number
 x[2] = -0.000000000000001;
@@ -22,9 +22,9 @@ x[5] = 0.000000000000001;
 x[6] = 1.7976931348623157E308; //largest finite number
 x[7] = +Infinity;
 x[8] = NaN;
-xnum = 9;
+var xnum = 9;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (Math.pow(x[i],y) !== 1)
 	{

test/built-ins/Math/pow/S15.8.2.13_A20.js

@@ -11,16 +11,16 @@ description: >
 
 // CHECK#1
 
-x = -0;
-y = new Array();
+var x = -0;
+var y = new Array();
 y[0] = 0.000000000000001;
 y[1] = 2;
 y[2] = Math.PI;
 y[3] = 1.7976931348623157E308; //largest finite number
 y[4] = +Infinity;
-ynum = 5;
+var ynum = 5;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== +0)
 	{

test/built-ins/Math/pow/S15.8.2.13_A21.js

@@ -11,14 +11,14 @@ description: >
 
 // CHECK#1
 
-x = -0;
-y = new Array();
+var x = -0;
+var y = new Array();
 y[2] = -1;
 y[1] = -111; 
 y[0] = -111111;
-ynum = 3;
+var ynum = 3;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== -Infinity)
 	{

test/built-ins/Math/pow/S15.8.2.13_A22.js

@@ -11,16 +11,16 @@ description: >
 
 // CHECK#1
 
-x = -0;
-y = new Array();
+var x = -0;
+var y = new Array();
 y[4] = -0.000000000000001;
 y[3] = -2;
 y[2] = -Math.PI;
 y[1] = -1.7976931348623157E308; //largest (by module) finite number
 y[0] = -Infinity;
-ynum = 5;
+var ynum = 5;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (Math.pow(x,y[i]) !== +Infinity)
 	{

test/built-ins/Math/pow/S15.8.2.13_A23.js

@@ -13,13 +13,13 @@ description: >
 
 // CHECK#1
 
-y = NaN;
-x = new Array();
+var y = new Array();
+var x = new Array();
 x[0] = -1.7976931348623157E308; //largest (by module) finite number
 x[1] = -Math.PI;
 x[2] = -1;
 x[3] = -0.000000000000001;
-xnum = 4;
+var xnum = 4;
 
 y[0] = -Math.PI;
 y[1] = -Math.E;
@@ -29,9 +29,9 @@ y[4] = 0.000000000000001;
 y[5] = 1.000000000000001;
 y[6] = Math.E;
 y[7] = Math.PI;
-ynum = 8;
+var ynum = 8;
 
-for (i = 0; i < xnum; i++)
-	for (j = 0; j < ynum; j++)
+for (var i = 0; i < xnum; i++)
+	for (var j = 0; j < ynum; j++)
 		if (!isNaN(Math.pow(x[i],y[j])))
 			$ERROR("#1: isNaN(Math.pow(" + x[i] + ", " + y[j] + ")) === false");

test/built-ins/Math/pow/S15.8.2.13_A24.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x1 = new Array();
 x1[0] = 0.00000000000000000000;
 x1[1] = 0.25396825396825395000;
@@ -221,7 +221,7 @@ y[63] = 18446744073709552000.00000000000000000000;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.pow(x1[i], x2[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/pow/S15.8.2.13_A3.js

@@ -11,8 +11,8 @@ description: >
 
 // CHECK#1
 
-y = +0;
-x = new Array();
+var y = +0;
+var x = new Array();
 x[0] = -Infinity;
 x[1] = -1.7976931348623157E308; //largest (by module) finite number
 x[2] = -0.000000000000001;
@@ -22,9 +22,9 @@ x[5] = 0.000000000000001;
 x[6] = 1.7976931348623157E308; //largest finite number
 x[7] = +Infinity;
 x[8] = NaN;
-xnum = 9;
+var xnum = 9;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (Math.pow(x[i],y) !== 1)
 	{

test/built-ins/Math/pow/S15.8.2.13_A4.js

@@ -9,8 +9,8 @@ description: Checking if Math.pow(x,y) is NaN, where x is NaN and y is nonzero
 
 // CHECK#1
 
-x = NaN;
-y = new Array();
+var x = NaN;
+var y = new Array();
 y[0] = -Infinity;
 y[1] = -1.7976931348623157E308; //largest (by module) finite number
 y[2] = -0.000000000000001;
@@ -18,9 +18,9 @@ y[3] = 0.000000000000001;
 y[4] = 1.7976931348623157E308; //largest finite number
 y[5] = +Infinity;
 y[6] = NaN;
-ynum = 7;
+var ynum = 7;
 
-for (i = 0; i < ynum; i++)
+for (var i = 0; i < ynum; i++)
 {
 	if (!isNaN(Math.pow(x,y[i])))
 	{

test/built-ins/Math/pow/S15.8.2.13_A5.js

@@ -11,17 +11,17 @@ description: >
 
 // CHECK#1
 
-y = +Infinity;
-x = new Array();
+var y = +Infinity;
+var x = new Array();
 x[0] = -Infinity;
 x[1] = -1.7976931348623157E308; //largest (by module) finite number
 x[2] = -1.000000000000001;
 x[3] = 1.000000000000001;
 x[4] = 1.7976931348623157E308; //largest finite number
 x[5] = +Infinity;
-xnum = 6;
+var xnum = 6;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (Math.pow(x[i],y) !== +Infinity)
 	{

test/built-ins/Math/pow/S15.8.2.13_A6.js

@@ -11,17 +11,17 @@ description: >
 
 // CHECK#1
 
-y = -Infinity;
-x = new Array();
+var y = -Infinity;
+var x = new Array();
 x[0] = -Infinity;
 x[1] = -1.7976931348623157E308; //largest (by module) finite number
 x[2] = -1.000000000000001;
 x[3] = 1.000000000000001;
 x[4] = 1.7976931348623157E308; //largest finite number
 x[5] = +Infinity;
-xnum = 6;
+var xnum = 6;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (Math.pow(x[i],y) !== +0)
 	{

test/built-ins/Math/pow/S15.8.2.13_A7.js

@@ -12,13 +12,13 @@ includes: [$FAIL.js]
 
 // CHECK#1
 
-y = +Infinity;
-x = new Array();
+var y = +Infinity;
+var x = new Array();
 x[0] = -1;
 x[1] = 1
-xnum = 2;
+var xnum = 2;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (!isNaN(Math.pow(x[i],y)))
 	{

test/built-ins/Math/pow/S15.8.2.13_A8.js

@@ -12,13 +12,13 @@ includes: [$FAIL.js]
 
 // CHECK#1
 
-y = -Infinity;
-x = new Array();
+var y = -Infinity;
+var x = new Array();
 x[0] = -1;
 x[1] = 1
-xnum = 2;
+var xnum = 2;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (!isNaN(Math.pow(x[i],y)))
 	{

test/built-ins/Math/pow/S15.8.2.13_A9.js

@@ -11,17 +11,17 @@ description: >
 
 // CHECK#1
 
-y = +Infinity;
-x = new Array();
+var y = +Infinity;
+var x = new Array();
 x[0] = 0.999999999999999;
 x[1] = 0.5;
 x[2] = +0;
 x[3] = -0;
 x[4] = -0.5;
 x[5] = -0.999999999999999;
-xnum = 6;
+var xnum = 6;
 
-for (i = 0; i < xnum; i++)
+for (var i = 0; i < xnum; i++)
 {
 	if (Math.pow(x[i],y) !== +0)
 	{

test/built-ins/Math/random/S15.8.2.14_A1.js

@@ -12,9 +12,9 @@ description: >
 ---*/
 
 // CHECK#1
-for (i = 0; i < 100; i++)
+for (var i = 0; i < 100; i++)
 {
-	val = Math.random();
+	var val = Math.random();
 	if (val < 0 || val >= 1)
 	{
 		$ERROR("#1: Math.random() = " + val);

test/built-ins/Math/round/S15.8.2.15_A6.js

@@ -13,9 +13,9 @@ description: >
 ---*/
 
 // CHECK#1
-for (i = 0; i <= 1000; i++)
+for (var i = 0; i <= 1000; i++)
 {
-	x = i/10.0;
+	var x = i/10.0;
 	if (Math.round(x) !== Math.floor(x + 0.5))
 	{
 		$ERROR("#1: 'x = " + x + "; Math.round(x) !== Math.floor(x + 0.5)'")

test/built-ins/Math/sin/S15.8.2.16_A6.js

@@ -12,17 +12,17 @@ includes: [$FAIL.js]
 ---*/
 
 // CHECK#1
-  prec = 0.000000000003;
+var prec = 0.000000000003;
 //prec = 0.000000000000001;
-period = 2*Math.PI;
-pernum = 100;
+var period = 2*Math.PI;
+var pernum = 100;
 
-a = -pernum * period;
-b = pernum * period;
-snum = 9; 
-step = period/snum + 0.0;
-x = new Array();
-for (i = 0; i < snum; i++)
+var a = -pernum * period;
+var b = pernum * period;
+var snum = 9;
+var step = period/snum + 0.0;
+var x = new Array();
+for (var i = 0; i < snum; i++)
 {
 	x[i] = a + i*step;
 }
@@ -35,7 +35,7 @@ for (i = 0; i < snum; i++)
 {
 	curval = Math.sin(x[i]);
 	curx = x[i] + period;
-	j = 0;
+	var j = 0;
 	while (curx <= b)
 	{
 		curx += period;

test/built-ins/Math/sin/S15.8.2.16_A7.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x = new Array();
 x[0] = 0.00000000000000000000;
 x[1] = 0.09973310011396169200;
@@ -155,7 +155,7 @@ y[62] = -0.09956784659581728600;
 y[63] = -0.00008530717948287973;
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.sin(x[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/sqrt/S15.8.2.17_A6.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x = new Array();
 x[0] = 0.00000000000000000000;
 x[1] = 0.25396825396825395000;
@@ -153,7 +153,7 @@ y[63] = 4.00000000000000000000;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.sqrt(x[i]);
 	if (!isEqual(val, y[i]))

test/built-ins/Math/tan/S15.8.2.18_A6.js

@@ -12,17 +12,17 @@ includes: [$FAIL.js]
 ---*/
 
 // CHECK#1
-  prec = 0.00000000003;
+var prec = 0.00000000003;
 //prec = 0.000000000000001;
-period = Math.PI;
-pernum = 100;
+var period = Math.PI;
+var pernum = 100;
 
-a = -pernum * period + period/2;
-b = pernum * period - period/2;
-snum = 9; 
-step = period/(snum + 2);
-x = new Array();
-for (i = 0; i <= snum; i++)    //// We exlude special points 
+var a = -pernum * period + period/2;
+var b = pernum * period - period/2;
+var snum = 9;
+var step = period/(snum + 2);
+var x = new Array();
+for (var i = 0; i <= snum; i++)    //// We exlude special points
 {							   ////           in this cycle.
 	x[i] = a + (i+1)*step;     ////
 }							   ////
@@ -35,7 +35,7 @@ for (i = 0; i < snum; i++)
 {
 	curval = Math.tan(x[i]);
 	curx = x[i] + period;
-	j = 0;
+	var j = 0;
 	while (curx <= b)
 	{
 		curx += period;

test/built-ins/Math/tan/S15.8.2.18_A7.js

@@ -16,7 +16,7 @@ includes:
 ---*/
 
 // CHECK#1
-vnum = 64;
+var vnum = 64;
 var x = new Array();
 // Result is implementation dependent and varies on platform as you approach limits. 
 // e.g. Output approaches Infinity as input approaches PI / 2 (1.5707963267948966)
@@ -157,7 +157,7 @@ y[63] = 10381.32741756979;
 
 
 var val;
-for (i = 0; i < vnum; i++)
+for (var i = 0; i < vnum; i++)
 {
 	val = Math.tan(x[i]);
 	if (!isEqual(val, y[i]))