Hide droptarget image if drag-n-drop is not supported

skins/classic/common.css

@@ -1267,7 +1267,6 @@ fieldset.tabbed
   border: 0;
   border: 1px solid #FFF;
   border-left: 1px solid #DDD;
-  background: url(images/filedrop.png) center bottom no-repeat;
   text-align: center;
   padding-top: 10px;
 }
@@ -1325,6 +1324,10 @@ fieldset.tabbed
   vertical-align: middle;
 }
 
+#image-selector-form.droptarget {
+  background: url(images/filedrop.png) center bottom no-repeat;
+}
+
 #image-selector-form.droptarget.hover
 {
   background-color: #F0F0EE;

skins/larry/styles.css

@@ -2741,7 +2741,6 @@ fieldset.tab {
 	border: 0;
 	border: 1px solid #FFF;
 	border-left: 1px solid #DDD;
-	background: url(images/filedrop.png) center bottom no-repeat;
 	text-align: center;
 	padding-top: 10px;
 }
@@ -2790,6 +2789,10 @@ fieldset.tab {
 	line-height: 80px;
 }
 
+#image-selector-form.droptarget {
+	background: url(images/filedrop.png) center bottom no-repeat;
+}
+
 #image-selector-form.droptarget.hover,
 #image-selector-form.droptarget.active {
 	border: 1px solid #019bc6;