diff --git a/mozilla/dom/public/html/nsIDOMImage.h b/mozilla/dom/public/html/nsIDOMImage.h
index 6e09e86e389..82b848e43f8 100644
--- a/mozilla/dom/public/html/nsIDOMImage.h
+++ b/mozilla/dom/public/html/nsIDOMImage.h
@@ -36,14 +36,21 @@
 class nsIDOMImage : public nsISupports {
 public:
   static const nsIID& GetIID() { static nsIID iid = NS_IDOMIMAGE_IID; return iid; }
+
+  NS_IMETHOD    GetLowsrc(nsString& aLowsrc)=0;
+  NS_IMETHOD    SetLowsrc(const nsString& aLowsrc)=0;
 };
 
 
 #define NS_DECL_IDOMIMAGE   \
+  NS_IMETHOD    GetLowsrc(nsString& aLowsrc);  \
+  NS_IMETHOD    SetLowsrc(const nsString& aLowsrc);  \
 
 
 
 #define NS_FORWARD_IDOMIMAGE(_to)  \
+  NS_IMETHOD    GetLowsrc(nsString& aLowsrc) { return _to GetLowsrc(aLowsrc); } \
+  NS_IMETHOD    SetLowsrc(const nsString& aLowsrc) { return _to SetLowsrc(aLowsrc); } \
 
 
 #endif // nsIDOMImage_h__
diff --git a/mozilla/dom/public/idl/html/HTMLImageElement.idl b/mozilla/dom/public/idl/html/HTMLImageElement.idl
index ff506fe335e..ce168e436ad 100644
--- a/mozilla/dom/public/idl/html/HTMLImageElement.idl
+++ b/mozilla/dom/public/idl/html/HTMLImageElement.idl
@@ -27,4 +27,5 @@
   { 0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32 } } */
 
      void Image();
+     attribute DOMString lowsrc;
    };
diff --git a/mozilla/dom/public/nsDOMPropEnums.h b/mozilla/dom/public/nsDOMPropEnums.h
index 8a77f99ec54..bb860d3c2a2 100644
--- a/mozilla/dom/public/nsDOMPropEnums.h
+++ b/mozilla/dom/public/nsDOMPropEnums.h
@@ -599,6 +599,7 @@ enum nsDOMProp {
     NS_DOM_PROP_HTMLTITLEELEMENT_TEXT, 
     NS_DOM_PROP_HTMLULISTELEMENT_COMPACT, 
     NS_DOM_PROP_HTMLULISTELEMENT_TYPE, 
+    NS_DOM_PROP_IMAGE_LOWSRC,
     NS_DOM_PROP_KEYEVENT_ALTKEY, 
     NS_DOM_PROP_KEYEVENT_CHARCODE, 
     NS_DOM_PROP_KEYEVENT_CTRLKEY, 
diff --git a/mozilla/dom/public/nsDOMPropNames.h b/mozilla/dom/public/nsDOMPropNames.h
index 2d0b64def83..5eef396f7a8 100644
--- a/mozilla/dom/public/nsDOMPropNames.h
+++ b/mozilla/dom/public/nsDOMPropNames.h
@@ -320,7 +320,6 @@
     "htmldocument.close", \
     "htmldocument.cookie", \
     "htmldocument.domain", \
-    "htmldocument.formname", \
     "htmldocument.forms", \
     "htmldocument.getelementbyid", \
     "htmldocument.getelementsbyname", \
@@ -599,6 +598,7 @@
     "htmltitleelement.text", \
     "htmlulistelement.compact", \
     "htmlulistelement.type", \
+    "image.lowsrc", \
     "keyevent.altkey", \
     "keyevent.charcode", \
     "keyevent.ctrlkey", \
diff --git a/mozilla/dom/src/html/nsJSHTMLImageElement.cpp b/mozilla/dom/src/html/nsJSHTMLImageElement.cpp
index d8c0c563014..009d02bc29f 100644
--- a/mozilla/dom/src/html/nsJSHTMLImageElement.cpp
+++ b/mozilla/dom/src/html/nsJSHTMLImageElement.cpp
@@ -63,7 +63,8 @@ enum HTMLImageElement_slots {
   HTMLIMAGEELEMENT_LONGDESC = -9,
   HTMLIMAGEELEMENT_USEMAP = -10,
   HTMLIMAGEELEMENT_VSPACE = -11,
-  HTMLIMAGEELEMENT_WIDTH = -12
+  HTMLIMAGEELEMENT_WIDTH = -12,
+  IMAGE_LOWSRC = -13
 };
 
 /***********************************************************************/
@@ -304,6 +305,32 @@ GetHTMLImageElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
         }
         break;
       }
+      case IMAGE_LOWSRC:
+      {
+        PRBool ok = PR_FALSE;
+        secMan->CheckScriptAccess(cx, obj, NS_DOM_PROP_IMAGE_LOWSRC, PR_FALSE, &ok);
+        if (!ok) {
+          return nsJSUtils::nsReportError(cx, obj, NS_ERROR_DOM_SECURITY_ERR);
+        }
+        nsAutoString prop;
+        nsIDOMImage* b;
+        if (NS_OK == a->QueryInterface(kIImageIID, (void **)&b)) {
+          nsresult result = NS_OK;
+          result = b->GetLowsrc(prop);
+          if(NS_SUCCEEDED(result)) {
+          nsJSUtils::nsConvertStringToJSVal(prop, cx, vp);
+            NS_RELEASE(b);
+          }
+          else {
+            NS_RELEASE(b);
+            return nsJSUtils::nsReportError(cx, obj, result);
+          }
+        }
+        else {
+          return nsJSUtils::nsReportError(cx, obj, NS_ERROR_DOM_WRONG_TYPE_ERR);
+        }
+        break;
+      }
       default:
         return nsJSUtils::nsCallJSScriptObjectGetProperty(a, cx, obj, id, vp);
     }
@@ -507,6 +534,28 @@ SetHTMLImageElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
         
         break;
       }
+      case IMAGE_LOWSRC:
+      {
+        PRBool ok = PR_FALSE;
+        secMan->CheckScriptAccess(cx, obj, NS_DOM_PROP_IMAGE_LOWSRC, PR_TRUE, &ok);
+        if (!ok) {
+          return nsJSUtils::nsReportError(cx, obj, NS_ERROR_DOM_SECURITY_ERR);
+        }
+        nsAutoString prop;
+        nsJSUtils::nsConvertJSValToString(prop, cx, *vp);
+      
+        nsIDOMImage *b;
+        if (NS_OK == a->QueryInterface(kIImageIID, (void **)&b)) {
+          b->SetLowsrc(prop);
+          NS_RELEASE(b);
+        }
+        else {
+           
+          return nsJSUtils::nsReportError(cx, obj, NS_ERROR_DOM_WRONG_TYPE_ERR);
+        }
+        
+        break;
+      }
       default:
         return nsJSUtils::nsCallJSScriptObjectSetProperty(a, cx, obj, id, vp);
     }
@@ -584,6 +633,7 @@ static JSPropertySpec HTMLImageElementProperties[] =
   {"useMap",    HTMLIMAGEELEMENT_USEMAP,    JSPROP_ENUMERATE},
   {"vspace",    HTMLIMAGEELEMENT_VSPACE,    JSPROP_ENUMERATE},
   {"width",    HTMLIMAGEELEMENT_WIDTH,    JSPROP_ENUMERATE},
+  {"lowsrc",    IMAGE_LOWSRC,    JSPROP_ENUMERATE},
   {0}
 };