Fix bug in layout, parser and change lib/fraisier

app/assets/stylesheets/content.css.erb

@@ -185,18 +185,18 @@ body{
 	clear: both; 
 	visibility: hidden;
 }
-#panel_header #nav{
+#panel_header #panel_nav{
 	margin:0;
 	padding:0;
 	width:100%;
 }
 
-#panel_header #nav li{
+#panel_header #panel_nav li{
     float: left;
     list-style: none outside none;
 }
 
-#panel_header #nav li a{
+#panel_header #panel_nav li a{
     background: none repeat scroll 0 0 #fff;
     border-radius: 13px 13px 13px 13px;
     border: 1px solid #D6D6D6;
@@ -208,7 +208,7 @@ body{
     text-decoration: none;
 }
 
-#panel_header #nav li a:hover{
+#panel_header #panel_nav li a:hover{
     background: none repeat scroll 0 0 #818181;
     border-radius: 13px 13px 13px 13px;
     color: #fff;