declare variables using "var" to prevent them from leaking into the g…

…lobal scope

lib/dom-js.js

@@ -37,7 +37,7 @@ var strict = true;
  * 
  * @constructor DomJS
  */
-DomJS = function() {
+var DomJS = function() {
 	this.root = null;
 	this.stack = new Array();
 	this.currElement = null;
@@ -50,7 +50,7 @@ DomJS.prototype.parse = function(string, cb) {
 		return;
 	}
 	var self = this;
-	parser = sax.parser(strict);
+	var parser = sax.parser(strict);
 
 	parser.onerror = function (err) {
 		self.error = true;
@@ -113,7 +113,7 @@ DomJS.prototype.reset = function() {
 	this.error = false;	
 };
 
-escape = function(string) {
+var escape = function(string) {
 	return string.replace(/&/g, '&')
 				 .replace(/>/g, '>')
 				 .replace(/</g, '&lt;')
@@ -122,7 +122,7 @@ escape = function(string) {
 };
 
 
-Element = function(name, attributes, children ) {
+var Element = function(name, attributes, children ) {
 	this.name = name;
 	this.attributes = attributes || [];
 	this.children = children || [];
@@ -163,21 +163,21 @@ Element.prototype.text = function() {
 	return null;
 };
 
-Text = function(data){
+var Text = function(data){
 	this.text = data;
 };
 Text.prototype.toXml = function(sb) {
 	sb.buf += escape(this.text);
 };
 
-Comment = function(comment) {
+var Comment = function(comment) {
 	this.comment = comment;
 };
 Comment.prototype.toXml = function(sb) {
 	sb.buf += '<!--' + this.comment + '-->';
 };
 
-CDATASection = function(data){
+var CDATASection = function(data){
 	this.text = data || '';
 };
 CDATASection.prototype.toXml = function(sb) {