diff --git a/lib/OpenLayers/Util.js b/lib/OpenLayers/Util.js
index 8ee49d7adf..f4a0cf0f62 100644
--- a/lib/OpenLayers/Util.js
+++ b/lib/OpenLayers/Util.js
@@ -442,7 +442,7 @@ Array.prototype.remove = function(rem) {
     for(var i=0; i<this.length; i++) {
         if(this[i]==rem) {
             this.splice(i,1);
-			//break;more than once??
+            //break;more than once??
         }
     }
     return this;
diff --git a/lib/Rico/Color.js b/lib/Rico/Color.js
index 4e2afc2e41..e61ae2942b 100644
--- a/lib/Rico/Color.js
+++ b/lib/Rico/Color.js
@@ -136,15 +136,15 @@ Rico.Color.createColorFromBackground = function(elem) {
 Rico.Color.HSBtoRGB = function(hue, saturation, brightness) {
 
    var red   = 0;
-	var green = 0;
-	var blue  = 0;
+    var green = 0;
+    var blue  = 0;
 
    if (saturation == 0) {
       red = parseInt(brightness * 255.0 + 0.5);
-	   green = red;
-	   blue = red;
-	}
-	else {
+       green = red;
+       blue = red;
+    }
+    else {
       var h = (hue - Math.floor(hue)) * 6.0;
       var f = h - Math.floor(h);
       var p = brightness * (1.0 - saturation);
@@ -182,8 +182,8 @@ Rico.Color.HSBtoRGB = function(hue, saturation, brightness) {
             green = (p * 255.0 + 0.5);
             blue  = (q * 255.0 + 0.5);
             break;
-	    }
-	}
+        }
+    }
 
    return { r : parseInt(red), g : parseInt(green) , b : parseInt(blue) };
 }
@@ -212,19 +212,19 @@ Rico.Color.RGBtoHSB = function(r, g, b) {
       hue = 0;
    else {
       var redc   = (cmax - r)/(cmax - cmin);
-    	var greenc = (cmax - g)/(cmax - cmin);
-    	var bluec  = (cmax - b)/(cmax - cmin);
+        var greenc = (cmax - g)/(cmax - cmin);
+        var bluec  = (cmax - b)/(cmax - cmin);
 
-    	if (r == cmax)
-    	   hue = bluec - greenc;
-    	else if (g == cmax)
-    	   hue = 2.0 + redc - bluec;
+        if (r == cmax)
+           hue = bluec - greenc;
+        else if (g == cmax)
+           hue = 2.0 + redc - bluec;
       else
-    	   hue = 4.0 + greenc - redc;
+           hue = 4.0 + greenc - redc;
 
-    	hue = hue / 6.0;
-    	if (hue < 0)
-    	   hue = hue + 1.0;
+        hue = hue / 6.0;
+        if (hue < 0)
+           hue = hue + 1.0;
    }
 
    return { h : hue, s : saturation, b : brightness };
diff --git a/tests/test_Control.html b/tests/test_Control.html
index de0cd2c5f0..8099dcc6dd 100644
--- a/tests/test_Control.html
+++ b/tests/test_Control.html
@@ -4,10 +4,10 @@
   <script type="text/javascript"><!--
     var map; 
     function test_01_Control_constructor (t) {
-	t.plan( 1 );
-	
-	control = new OpenLayers.Control();
-	t.ok( control instanceof OpenLayers.Control, "new OpenLayers.Control returns object" );
+        t.plan( 1 );
+    
+        control = new OpenLayers.Control();
+        t.ok( control instanceof OpenLayers.Control, "new OpenLayers.Control returns object" );
     }
   // -->
   </script>
diff --git a/tests/test_Events.html b/tests/test_Events.html
index 38077cefb3..ebfa2a279e 100644
--- a/tests/test_Events.html
+++ b/tests/test_Events.html
@@ -4,10 +4,10 @@
   <script type="text/javascript"><!--
     var map; 
     function test_01_Events_constructor (t) {
-	    t.plan( 18 );
+        t.plan( 18 );
         var obj = {result: 0}, eventTypes = ["doThingA", "doThingB", "doThingC"];
-	    events = new OpenLayers.Events(obj, $('map'), eventTypes);
-	    t.ok( events instanceof OpenLayers.Events, "new OpenLayers.Control returns object" );
+        events = new OpenLayers.Events(obj, $('map'), eventTypes);
+        t.ok( events instanceof OpenLayers.Events, "new OpenLayers.Control returns object" );
         t.ok( events.div instanceof HTMLDivElement, "events.div isa HTMLDivElement" );
         t.ok( events.object === obj, "events.object is the object we passed" );
 
@@ -35,7 +35,7 @@
     }
     function test_02_Events_nullEventTypes (t) {
         t.plan(1);
-	    events = new OpenLayers.Events(null, $('map'), null);
+        events = new OpenLayers.Events(null, $('map'), null);
         t.ok( events.listeners, "Creation of Events with null Event Types is okay" );
     }
   // -->
diff --git a/tests/test_Layer.html b/tests/test_Layer.html
index a0785ade6d..9c8aa51411 100644
--- a/tests/test_Layer.html
+++ b/tests/test_Layer.html
@@ -5,18 +5,18 @@
     var layer; 
 
     function test_01_Layer_constructor (t) {
-	t.plan( 2 );
-	
-	layer = new OpenLayers.Layer('Test Layer');
-	t.ok( layer instanceof OpenLayers.Layer, "new OpenLayers.Layer returns object" );
-	t.eq( layer.name, "Test Layer", "layer.name is correct" );
+        t.plan( 2 );
+        
+        layer = new OpenLayers.Layer('Test Layer');
+        t.ok( layer instanceof OpenLayers.Layer, "new OpenLayers.Layer returns object" );
+        t.eq( layer.name, "Test Layer", "layer.name is correct" );
     }
 
     function test_99_Layer_destroy (t) {
-	t.plan( 1 );	
-	layer = new OpenLayers.Layer('Test Layer');
-	layer.destroy();
-	t.eq( layer.map, null, "layer.map is null after destroy" );
+        t.plan( 1 );    
+        layer = new OpenLayers.Layer('Test Layer');
+        layer.destroy();
+        t.eq( layer.map, null, "layer.map is null after destroy" );
     }
   // -->
   </script>
diff --git a/tests/test_Layer_Marker.html b/tests/test_Layer_Marker.html
index e0141bc0ad..222b7d328f 100644
--- a/tests/test_Layer_Marker.html
+++ b/tests/test_Layer_Marker.html
@@ -5,27 +5,27 @@
     var layer; 
 
     function test_01_Layer_Marker_constructor (t) {
-	    t.plan( 2 );
-	    
-	    layer = new OpenLayers.Layer.Marker('Test Layer');
-	    t.ok( layer instanceof OpenLayers.Layer.Marker, "new OpenLayers.Layer.Marker returns object" );
-	    t.eq( layer.name, "Test Layer", "layer.name is correct" );
+        t.plan( 2 );
+        
+        layer = new OpenLayers.Layer.Marker('Test Layer');
+        t.ok( layer instanceof OpenLayers.Layer.Marker, "new OpenLayers.Layer.Marker returns object" );
+        t.eq( layer.name, "Test Layer", "layer.name is correct" );
     }
     function test_02_Layer_Marker_addlayer (t) {
-	    t.plan( 3 );
-	    
-	    layer = new OpenLayers.Layer.Marker('Test Layer');
-	    t.ok( layer instanceof OpenLayers.Layer.Marker, "new OpenLayers.Layer.Marker returns object" );
-	    t.eq( layer.name, "Test Layer", "layer.name is correct" );
+        t.plan( 3 );
+        
+        layer = new OpenLayers.Layer.Marker('Test Layer');
+        t.ok( layer instanceof OpenLayers.Layer.Marker, "new OpenLayers.Layer.Marker returns object" );
+        t.eq( layer.name, "Test Layer", "layer.name is correct" );
         layer.addMarker(new OpenLayers.Marker(new OpenLayers.Icon(), new OpenLayers.Size()));
         t.eq( layer.markers.length, 1, "addLayer adds marker to layer." );
     }
 
     function test_99_Layer_Marker_destroy (t) {
-	    t.plan( 1 );	
-	    layer = new OpenLayers.Layer.Marker('Test Layer');
-	    layer.destroy();
-	    t.eq( layer.map, null, "layer.map is null after destroy" );
+        t.plan( 1 );    
+        layer = new OpenLayers.Layer.Marker('Test Layer');
+        layer.destroy();
+        t.eq( layer.map, null, "layer.map is null after destroy" );
     }
   // -->
   </script>
diff --git a/tests/test_Layer_WMS.html b/tests/test_Layer_WMS.html
index 6aa59e586b..6a5c868d49 100644
--- a/tests/test_Layer_WMS.html
+++ b/tests/test_Layer_WMS.html
@@ -5,20 +5,20 @@
     var layer; 
 
     function test_01_Layer_WMS_constructor (t) {
-	    t.plan( 6 );
-	    
-	    layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/png'});
-	    t.ok( layer instanceof OpenLayers.Layer.WMS, "new OpenLayers.Layer.WMS returns object" );
-	    t.eq( layer.name, "Test Layer", "layer.name is correct" );
-	    t.eq( layer.url, "http://octo.metacarta.com/cgi-bin/mapserv", "layer.url is correct" );
-	    t.eq( layer.params.map, "/mapdata/vmap_wms.map", "layer.params.map is correct" );
-	    t.eq( layer.params.format, "image/png", "layer.params.format is correctly overridden" );
-            t.eq( layer.params.exceptions, "application/vnd.ogc.se_inimage", 
-                                    "other default layer.params are set correctly" );
+        t.plan( 6 );
+        
+        layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/png'});
+        t.ok( layer instanceof OpenLayers.Layer.WMS, "new OpenLayers.Layer.WMS returns object" );
+        t.eq( layer.name, "Test Layer", "layer.name is correct" );
+        t.eq( layer.url, "http://octo.metacarta.com/cgi-bin/mapserv", "layer.url is correct" );
+        t.eq( layer.params.map, "/mapdata/vmap_wms.map", "layer.params.map is correct" );
+        t.eq( layer.params.format, "image/png", "layer.params.format is correctly overridden" );
+        t.eq( layer.params.exceptions, "application/vnd.ogc.se_inimage", 
+                                       "other default layer.params are set correctly" );
     }
     function test_02_Layer_WMS_addtile (t) {
         t.plan( 6 );
-	    layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
+        layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
         var pixel = new OpenLayers.Pixel(5,6);
         var tile = layer.addTile(new OpenLayers.Bounds(1,2,3,4), pixel);
         t.eq( tile.img.src, "http://octo.metacarta.com/cgi-bin/mapserv?bbox=1,2,3,4&width=256&height=256&map=/mapdata/vmap_wms.map&layers=basic&format=image/jpeg&service=WMS&version=1.1.1&request=GetMap&srs=EPSG:4326&styles=&exceptions=application/vnd.ogc.se_inimage", "image src is created correctly via addtile" );
@@ -32,7 +32,7 @@
     function test_03_Layer_WMS_inittiles (t) {
         t.plan( 2 );
         var map = new OpenLayers.Map($('map'));
-	    layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
+        layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
         map.addLayer(layer);
         map.setCenter(new OpenLayers.LonLat(0,0),5);
         t.eq( layer.grid.length, 4, "Grid rows is correct." );
@@ -41,10 +41,10 @@
     }
 
     function test_99_Layer_WMS_destroy (t) {
-	    t.plan( 1 );	
-	    layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
-	    layer.destroy();
-	    t.eq( layer.map, null, "layer.map is null after destroy" );
+        t.plan( 1 );
+        layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
+        layer.destroy();
+        t.eq( layer.map, null, "layer.map is null after destroy" );
     }
   // -->
   </script>
diff --git a/tests/test_Util.html b/tests/test_Util.html
index 1a4beb8394..384c072d32 100644
--- a/tests/test_Util.html
+++ b/tests/test_Util.html
@@ -4,8 +4,8 @@
   <script type="text/javascript"><!--
     var map; 
     function test_01_Util_getImagesLocation (t) {
-	t.plan( 1 );
-	t.ok( OpenLayers.Util.getImagesLocation(), "../img/",
+        t.plan( 1 );
+        t.ok( OpenLayers.Util.getImagesLocation(), "../img/",
                     "getImagesLocation()" );
     }
   // -->