diff --git a/examples/freemap.html b/examples/freemap.html
index f2fa0ccce3..4c0bd6b8f4 100644
--- a/examples/freemap.html
+++ b/examples/freemap.html
@@ -3,24 +3,24 @@
 
     <style type="text/css">
     body {
-	border: 0px;
-	margin: 0px;
-	padding: 0px;
+    border: 0px;
+    margin: 0px;
+    padding: 0px;
     }
     #map {
-	width: 100%;
-	height: 100%;
-	border: 0px;
-	padding: 0px;
+    width: 100%;
+    height: 100%;
+    border: 0px;
+    padding: 0px;
     }
     </style>
 
     <script src="../lib/OpenLayers.js"></script>
     <script type="text/javascript">
       <!--
-	var lat = 900863; 
-	var lon = 235829;
-	var zoom = 6;
+    var lat = 900863; 
+    var lon = 235829;
+    var zoom = 6;
     var map, layer;
 
         function init(){
diff --git a/examples/overviewmap.html b/examples/overviewmap.html
index 74b6782eb1..d44cef5a6c 100644
--- a/examples/overviewmap.html
+++ b/examples/overviewmap.html
@@ -6,9 +6,9 @@
 <script src="../lib/OpenLayers.js" type="text/javascript"></script>
 <style>
 #map{
-	width:100%; 
-	height:500px;
-	border:1px solid;
+    width:100%; 
+    height:500px;
+    border:1px solid;
 }
 </style>
 </head>
@@ -16,32 +16,32 @@
   <div id="map"></div>
   <script defer="defer" type="text/javascript">
     var map = new OpenLayers.Map('map');
-	// my city
-	var constantina = new OpenLayers.LonLat(-5.6165,37.8623);
+    // my city
+    var constantina = new OpenLayers.LonLat(-5.6165,37.8623);
     var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", 
         "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );
     var nasa_wms = new OpenLayers.Layer.WMS( "NASA Global Mosaic", 
         "http://wms.jpl.nasa.gov/wms.cgi", {layers: "modis,global_mosaic"} );
 
-    map.addLayers([	
-		nasa_wms,
-		wms
-	]);
-	
-	map.addControl(new OpenLayers.Control.LayerSwitcher());
-	
-	var options = {
+    map.addLayers([    
+        nasa_wms,
+        wms
+    ]);
+    
+    map.addControl(new OpenLayers.Control.LayerSwitcher());
+    
+    var options = {
       layers: [wms.clone()],
       minRatio: 8,
       maxRatio: 128
     };
-	var overview = new OpenLayers.Control.OverviewMap(options);
-		
-	map.addControl(overview);
-	
-	map.setCenter(constantina, 4);
-	
-	overview.maximizeControl();	
+    var overview = new OpenLayers.Control.OverviewMap(options);
+        
+    map.addControl(overview);
+    
+    map.setCenter(constantina, 4);
+    
+    overview.maximizeControl();    
   </script>
 </body>
 </html>
diff --git a/examples/wmst.html b/examples/wmst.html
index c40e6c0ff6..d3664f0535 100644
--- a/examples/wmst.html
+++ b/examples/wmst.html
@@ -21,7 +21,7 @@ var map,ia_wms;
                 "http://wms.jpl.nasa.gov/wms.cgi", 
                 {layers: "modis,global_mosaic"});
 
-	        ia_wms = new OpenLayers.Layer.WMS("Nexrad","http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi?",{layers:"nexrad-n0r-wmst",transparent:true,format:'image/png',time:OpenLayers.Util.getElement('time').value});
+            ia_wms = new OpenLayers.Layer.WMS("Nexrad","http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi?",{layers:"nexrad-n0r-wmst",transparent:true,format:'image/png',time:OpenLayers.Util.getElement('time').value});
 
             jpl_wms.setVisibility(false);
 
diff --git a/lib/OpenLayers/Control/OverviewMap.js b/lib/OpenLayers/Control/OverviewMap.js
index 7712a46566..6fda04b55e 100644
--- a/lib/OpenLayers/Control/OverviewMap.js
+++ b/lib/OpenLayers/Control/OverviewMap.js
@@ -166,8 +166,8 @@ OpenLayers.Control.OverviewMap.prototype =
                           'click', 
                           this.maximizeControl.bindAsEventListener(this));
             OpenLayers.Event.observe(this.maximizeDiv,
-						  'dblclick',
-						  function(e) {
+                          'dblclick',
+                          function(e) {
                               OpenLayers.Event.stop(e);
                           });
             this.div.appendChild(this.maximizeDiv);
@@ -186,8 +186,8 @@ OpenLayers.Control.OverviewMap.prototype =
                           'click', 
                           this.minimizeControl.bindAsEventListener(this));
             OpenLayers.Event.observe(this.minimizeDiv,
-						  'dblclick',
-						  function(e) {
+                          'dblclick',
+                          function(e) {
                               OpenLayers.Event.stop(e);
                           });
             this.div.appendChild(this.minimizeDiv);
diff --git a/lib/OpenLayers/Format/GML.js b/lib/OpenLayers/Format/GML.js
index 488b94d8aa..b2639c1599 100644
--- a/lib/OpenLayers/Format/GML.js
+++ b/lib/OpenLayers/Format/GML.js
@@ -180,24 +180,24 @@ OpenLayers.Format.GML.prototype =
      * @param DOMElement xmlNode
      */
     parseAttributes: function(xmlNode) {
-		var nodes = xmlNode.childNodes;
+        var nodes = xmlNode.childNodes;
         var attributes = {};
-		for(var i = 0; i < nodes.length; i++) {
+        for(var i = 0; i < nodes.length; i++) {
             var name = nodes[i].nodeName;
-			var value = OpenLayers.Util.getXmlNodeValue(nodes[i]);
+            var value = OpenLayers.Util.getXmlNodeValue(nodes[i]);
             // Ignore Geometry attributes
             // match ".//gml:pos|.//gml:posList|.//gml:coordinates"
-			if((name.search(":pos")!=-1)
-			  ||(name.search(":posList")!=-1)
-			  ||(name.search(":coordinates")!=-1)){
-			   continue;	
-			}
-			
-			// Check for a leaf node
-			if((nodes[i].childNodes.length == 1 && nodes[i].childNodes[0].nodeName == "#text")
-			    || (nodes[i].childNodes.length == 0 && nodes[i].nodeName!="#text")) {
-				attributes[name] = value;
-			}
+            if((name.search(":pos")!=-1)
+              ||(name.search(":posList")!=-1)
+              ||(name.search(":coordinates")!=-1)){
+               continue;    
+            }
+            
+            // Check for a leaf node
+            if((nodes[i].childNodes.length == 1 && nodes[i].childNodes[0].nodeName == "#text")
+                || (nodes[i].childNodes.length == 0 && nodes[i].nodeName!="#text")) {
+                attributes[name] = value;
+            }
             OpenLayers.Util.extend(attributes, this.parseAttributes(nodes[i]))
         }   
         return attributes;
diff --git a/lib/OpenLayers/Format/KML.js b/lib/OpenLayers/Format/KML.js
index 681d0ceaa9..4d7a8d13d0 100644
--- a/lib/OpenLayers/Format/KML.js
+++ b/lib/OpenLayers/Format/KML.js
@@ -93,24 +93,24 @@ OpenLayers.Format.KML.prototype =
      * @param DOMElement xmlNode
      */
     parseAttributes: function(xmlNode) {
-		var nodes = xmlNode.childNodes;
+        var nodes = xmlNode.childNodes;
         var attributes = {};
-		for(var i = 0; i < nodes.length; i++) {
+        for(var i = 0; i < nodes.length; i++) {
             var name = nodes[i].nodeName;
-			var value = OpenLayers.Util.getXmlNodeValue(nodes[i]);
+            var value = OpenLayers.Util.getXmlNodeValue(nodes[i]);
             // Ignore Geometry attributes
             // match ".//gml:pos|.//gml:posList|.//gml:coordinates"
-			if((name.search(":pos")!=-1)
-			  ||(name.search(":posList")!=-1)
-			  ||(name.search(":coordinates")!=-1)){
-			   continue;	
-			}
-			
-			// Check for a leaf node
-			if((nodes[i].childNodes.length == 1 && nodes[i].childNodes[0].nodeName == "#text")
-			    || (nodes[i].childNodes.length == 0 && nodes[i].nodeName!="#text")) {
-				attributes[name] = value;
-			}
+            if((name.search(":pos")!=-1)
+              ||(name.search(":posList")!=-1)
+              ||(name.search(":coordinates")!=-1)){
+               continue;    
+            }
+            
+            // Check for a leaf node
+            if((nodes[i].childNodes.length == 1 && nodes[i].childNodes[0].nodeName == "#text")
+                || (nodes[i].childNodes.length == 0 && nodes[i].nodeName!="#text")) {
+                attributes[name] = value;
+            }
             OpenLayers.Util.extend(attributes, this.parseAttributes(nodes[i]))
         }   
         return attributes;
diff --git a/lib/OpenLayers/Geometry.js b/lib/OpenLayers/Geometry.js
index fbcec42f47..6898034059 100644
--- a/lib/OpenLayers/Geometry.js
+++ b/lib/OpenLayers/Geometry.js
@@ -126,8 +126,8 @@ OpenLayers.Geometry.prototype = {
         var bounds = this.getBounds();
         if ((bounds != null) && (lonlat != null)) {
 
-    		var dX = (toleranceLon != null) ? toleranceLon : 0;
-    		var dY = (toleranceLat != null) ? toleranceLat : 0;
+            var dX = (toleranceLon != null) ? toleranceLon : 0;
+            var dY = (toleranceLat != null) ? toleranceLat : 0;
     
             var toleranceBounds = 
                 new OpenLayers.Bounds(this.bounds.left - dX,
diff --git a/lib/OpenLayers/Geometry/LineString.js b/lib/OpenLayers/Geometry/LineString.js
index ae7910ec69..88943f9a90 100644
--- a/lib/OpenLayers/Geometry/LineString.js
+++ b/lib/OpenLayers/Geometry/LineString.js
@@ -20,8 +20,8 @@ OpenLayers.Geometry.LineString.prototype =
      * @param {Array(OpenLayers.Geometry.Point)} points
      */
     initialize: function(points) {
-    	OpenLayers.Geometry.Curve.prototype.initialize.apply(this, 
-    	                                                          arguments);        
+        OpenLayers.Geometry.Curve.prototype.initialize.apply(this, 
+                                                                  arguments);        
     },
 
     /**
diff --git a/lib/OpenLayers/Geometry/MultiLineString.js b/lib/OpenLayers/Geometry/MultiLineString.js
index 672970c972..58ba1f85ef 100644
--- a/lib/OpenLayers/Geometry/MultiLineString.js
+++ b/lib/OpenLayers/Geometry/MultiLineString.js
@@ -19,8 +19,8 @@ OpenLayers.Geometry.MultiLineString.prototype =
      * @param {Array(OpenLayers.Geometry.LineString)} components
      */
     initialize: function(components) {
-    	OpenLayers.Geometry.Collection.prototype.initialize.apply(this, 
-    	                                                          arguments);        
+        OpenLayers.Geometry.Collection.prototype.initialize.apply(this, 
+                                                                  arguments);        
     },
 
     /**
diff --git a/lib/OpenLayers/Geometry/MultiPoint.js b/lib/OpenLayers/Geometry/MultiPoint.js
index e529a57956..dcc28e4380 100644
--- a/lib/OpenLayers/Geometry/MultiPoint.js
+++ b/lib/OpenLayers/Geometry/MultiPoint.js
@@ -19,8 +19,8 @@ OpenLayers.Geometry.MultiPoint.prototype =
      * @param {Array(OpenLayers.Geometry.Point)} components
      */
     initialize: function(components) {
-    	OpenLayers.Geometry.Collection.prototype.initialize.apply(this, 
-    	                                                          arguments);
+        OpenLayers.Geometry.Collection.prototype.initialize.apply(this, 
+                                                                  arguments);
     },
 
     /**
diff --git a/lib/OpenLayers/Geometry/MultiPolygon.js b/lib/OpenLayers/Geometry/MultiPolygon.js
index 08b917a55e..a587effba5 100644
--- a/lib/OpenLayers/Geometry/MultiPolygon.js
+++ b/lib/OpenLayers/Geometry/MultiPolygon.js
@@ -19,8 +19,8 @@ OpenLayers.Geometry.MultiPolygon.prototype =
     * @param {Array(OpenLayers.Geometry.Polygon)} components
     */
     initialize: function(components) {
-    	OpenLayers.Geometry.Collection.prototype.initialize.apply(this, 
-    	                                                          arguments);
+        OpenLayers.Geometry.Collection.prototype.initialize.apply(this, 
+                                                                  arguments);
     },
 
     /**
diff --git a/lib/OpenLayers/Geometry/Point.js b/lib/OpenLayers/Geometry/Point.js
index b3b1344835..3ac868f430 100644
--- a/lib/OpenLayers/Geometry/Point.js
+++ b/lib/OpenLayers/Geometry/Point.js
@@ -33,11 +33,11 @@ OpenLayers.Geometry.Point.prototype =
      * @param {float} y
      */
     initialize: function(x, y) {
-    	OpenLayers.Geometry.prototype.initialize.apply(this, arguments);
-    	OpenLayers.LonLat.prototype.initialize.apply(this, arguments);
-    	
-    	this.x = this.lon;
-    	this.y = this.lat;
+        OpenLayers.Geometry.prototype.initialize.apply(this, arguments);
+        OpenLayers.LonLat.prototype.initialize.apply(this, arguments);
+        
+        this.x = this.lon;
+        this.y = this.lat;
     },
 
     /**
@@ -61,8 +61,8 @@ OpenLayers.Geometry.Point.prototype =
      * @param {float} x
      */
     setX: function(x) {
-    	this.lon = x;
-    	this.x = x;
+        this.lon = x;
+        this.x = x;
     },
 
     /**
@@ -71,22 +71,22 @@ OpenLayers.Geometry.Point.prototype =
      * @param {float} y
      */
     setY: function(y) {
-    	this.lat = y;
-    	this.y = y;
+        this.lat = y;
+        this.y = y;
     },
 
     /**
      * @type float
      */
     getX: function() {
-	   return this.lon;
+       return this.lon;
     },
 
     /**
      * @type float
      */
     getY: function() {
-	   return this.lat;
+       return this.lat;
     },
 
     /** Create a new Bounds based on the lon/lat
@@ -117,7 +117,7 @@ OpenLayers.Geometry.Point.prototype =
      * @type String
      */
     toString: function() {
-	   return this.toShortString();
+       return this.toShortString();
     },
     
     /**
diff --git a/lib/OpenLayers/Geometry/Polygon.js b/lib/OpenLayers/Geometry/Polygon.js
index dc9e076002..e1cbc57cbb 100644
--- a/lib/OpenLayers/Geometry/Polygon.js
+++ b/lib/OpenLayers/Geometry/Polygon.js
@@ -22,8 +22,8 @@ OpenLayers.Geometry.Polygon.prototype =
      * @param {Array(OpenLayers.Geometry.LinearRing)}
      */
     initialize: function(components) {
-    	OpenLayers.Geometry.Collection.prototype.initialize.apply(this, 
-    	                                                          arguments);
+        OpenLayers.Geometry.Collection.prototype.initialize.apply(this, 
+                                                                  arguments);
     },
 
     /**
diff --git a/lib/OpenLayers/Layer/GML.js b/lib/OpenLayers/Layer/GML.js
index 80c2213d7f..f4ed95c1df 100644
--- a/lib/OpenLayers/Layer/GML.js
+++ b/lib/OpenLayers/Layer/GML.js
@@ -64,10 +64,10 @@ OpenLayers.Layer.GML.prototype =
      */
     moveTo:function(bounds, zoomChanged, minor) {
         OpenLayers.Layer.Vector.prototype.moveTo.apply(this, arguments);
-		// Wait until initialisation is complete before loading GML
-		// otherwise we can get a race condition where the root HTML DOM is
-		// loaded after the GML is paited.
-		// See http://trac.openlayers.org/ticket/404
+        // Wait until initialisation is complete before loading GML
+        // otherwise we can get a race condition where the root HTML DOM is
+        // loaded after the GML is paited.
+        // See http://trac.openlayers.org/ticket/404
         if(this.visibility && !this.loaded){
             this.loadGML();
         }
diff --git a/lib/OpenLayers/Layer/Image.js b/lib/OpenLayers/Layer/Image.js
index 562c63d8d4..20d1176a12 100644
--- a/lib/OpenLayers/Layer/Image.js
+++ b/lib/OpenLayers/Layer/Image.js
@@ -97,7 +97,7 @@ OpenLayers.Layer.Image.prototype =
         // If nothing to do with resolutions has been set, assume a single
         //  resolution determined by extent/size
         if( this.options.maxResolution == null ) {
-        	this.options.maxResolution = this.extent.getWidth() / this.size.w;
+            this.options.maxResolution = this.extent.getWidth() / this.size.w;
         }
         OpenLayers.Layer.prototype.setMap.apply(this, arguments);
     },
diff --git a/lib/OpenLayers/Layer/MapServer.js b/lib/OpenLayers/Layer/MapServer.js
index 8ec366b4bb..4e5f4bdcfc 100644
--- a/lib/OpenLayers/Layer/MapServer.js
+++ b/lib/OpenLayers/Layer/MapServer.js
@@ -43,14 +43,14 @@ OpenLayers.Layer.MapServer.prototype =
         }
     },
 
-	/**
+    /**
     * @param {Object} obj
     *
     * @returns A clone of this OpenLayers.Layer.MapServer
     * @type OpenLayers.Layer.MapServer
     */
     clone: function (obj) {
-	    if (obj == null) {
+        if (obj == null) {
             obj = new OpenLayers.Layer.MapServer(this.name,
                                            this.url,
                                            this.params,
diff --git a/lib/OpenLayers/Popup.js b/lib/OpenLayers/Popup.js
index f13f2680b8..51bc3d2c7f 100644
--- a/lib/OpenLayers/Popup.js
+++ b/lib/OpenLayers/Popup.js
@@ -209,10 +209,10 @@ OpenLayers.Popup.prototype = {
             this.div.style.width = this.size.w + "px";
             this.div.style.height = this.size.h + "px";
         }
-		if (this.contentDiv != null){
-			this.contentDiv.style.width = this.size.w + "px";
-			this.contentDiv.style.height = this.size.h + "px";
-		}
+        if (this.contentDiv != null){
+            this.contentDiv.style.width = this.size.w + "px";
+            this.contentDiv.style.height = this.size.h + "px";
+        }
     },  
 
     /**
diff --git a/tests/test_Popup.html b/tests/test_Popup.html
index ab31a4b319..55c4f37a96 100644
--- a/tests/test_Popup.html
+++ b/tests/test_Popup.html
@@ -84,11 +84,11 @@
         
         t.eq(contentDiv.className, "olPopupContent", "correct content div className");
         t.eq(contentDiv.id, "chicken_contentDiv", "correct content div id");
-        t.eq(contentDiv.style.width, "500px", "correct content div width");	 
+        t.eq(contentDiv.style.width, "500px", "correct content div width"); 
         t.eq(contentDiv.style.height, "400px", "correct content div height");
         t.eq(contentDiv.style.position, "relative", "correct content div position");
         t.eq(contentDiv.style.overflow, "hidden", "correct content div overflow");
-        t.eq(contentDiv.innerHTML, content, "correct content div content");				 
+        t.eq(contentDiv.innerHTML, content, "correct content div content");
 
         var bColor = popup.div.style.backgroundColor;
         var goodColor = ( (bColor == color) || (bColor == hexColor));