--- a/jsbackend.js	Sat Apr 13 17:33:14 2013 -0700
+++ b/jsbackend.js	Sat Apr 13 23:37:54 2013 -0700
@@ -34,8 +34,14 @@
 }
 
 op.prototype.toJS = function(isReceiver) {
-	var opmap = {'=': '==', '.': '+'};
-	var ret = '(' + this.left.toJS() +' '+ (this.op in opmap ? opmap[this.op] : this.op) +' '+ this.right.toJS() + ')';
+	if (this.op == '&&') {
+		var ret = 'toobj(' + this.left.toJS() + ').sif(' + this.right.toJS() + ')';
+	} else if(this.op == '||') {
+		var ret = 'toobj(' + this.left.toJS() + ').ifnot(' + this.right.toJS() + ')';
+	} else {
+		var opmap = {'=': '==', '.': '+'};
+		var ret = '(' + this.left.toJS() +' '+ (this.op in opmap ? opmap[this.op] : this.op) +' '+ this.right.toJS() + ')';
+	}
 	return ret;
 };
 
@@ -315,8 +321,10 @@
 	'Number.prototype.__defineGetter__("string", function() { return "" + this; });\n' +
 	'String.prototype.__defineGetter__("string", function() { return this; });\n' +
 	'String.prototype.__defineGetter__("print", function() { write(this); });\n' +
-	'Array.prototype = function(action) { var ret = module_false; for (var i = 0; i < this.length; i++) { ret = action(i, this[i]) }; return ret; };\n' +
+	'Object.defineProperty(Array.prototype, "foreach", {value: function(action) { var ret = module_false; for (var i = 0; i < this.length; i++) { ret = action(i, this[i]) }; return ret; }});\n' +
 	'Function.prototype.whileCN_do = function(action) { var ret = module_false; while(toobj(this()) == module_true) { ret = action(); } return ret; };\n' +
+	'module_true.valueOf = function() { return true; }\n' +
+	'module_false.valueOf = function() { return false; }\n' +
 	'function toobj(val) {\n' + 
 	'	return (typeof val == "boolean") ? (val ? module_true : module_false) : val;\n' + 
 	'}\n' +