Fixes js problems in IE 7+8. Hides broken tree view in those browsers and adds a message to the footer.

src/_h5ai/css/inc/footer.less

@@ -42,6 +42,18 @@ body > footer {
 		color: #c33;
 		margin-left: 16px;
 	}
+	.oldBrowser {
+		display: none;
+		color: #c33;
+		margin-left: 16px;
+		a, a:active, a:visited {
+			color: #c33;
+			text-decoration: underline;
+			&:hover {
+				color: #e80;
+			}
+		}
+	}
 	.status {
 		.sep {
 			display: inline-block;

src/_h5ai/css/main.less

@@ -56,3 +56,11 @@ html.h5ai-php {
 		}
 	}
 }
+html.oldie {
+	.oldBrowser {
+		display: inline;
+	}
+	#tree {
+		display: none !important;
+	}
+}