--- a/src/js/main.js	Fri May 11 16:07:52 2012 +0200
+++ b/src/js/main.js	Mon May 14 11:57:05 2012 +0200
@@ -35,9 +35,20 @@
     )
 }
 
+IriSP._cssCache = [];
+
+IriSP.loadCss = function(_cssFile) {
+    if (typeof _cssFile === "string" && _cssFile && IriSP._(IriSP._cssCache).indexOf(_cssFile) === -1) {
+        IriSP.jQuery("<link>", {
+            rel : "stylesheet",
+            type : "text/css",
+            href : _cssFile
+        }).appendTo('head');
+        IriSP._cssCache.push(_cssFile);
+    }
+}
+
 IriSP.loadLibs = function( config, metadata_url, callback ) {
-    // Localize jQuery variable
-		IriSP.jQuery = null;
     var $L = $LAB.script(IriSP.getLib("jQuery")).script(IriSP.getLib("swfObject")).wait()
                 .script(IriSP.getLib("jQueryUI"));
                                    
@@ -63,9 +74,6 @@
           config.gui.widgets[idx].type === "SparklineWidget") {        
         $L.script(IriSP.getLib("raphael"));
       }
-      if (config.gui.widgets[idx].type === "TraceWidget") {
-          $L.script(IriSP.getLib("tracemanager"))
-      }
     }
     
     // same for modules
@@ -75,25 +83,12 @@
         $L.script(IriSP.getLib("raphaelJs"));
     }
     */
-
     $L.wait(function() {
-      IriSP.jQuery = window.jQuery.noConflict( true );
-      
-      var css_link_jquery = IriSP.jQuery( "<link>", { 
-        rel: "stylesheet", 
-        type: "text/css", 
-        href: IriSP.getLib("cssjQueryUI"),
-        'class': "dynamic_css"
-      } );
-      var css_link_custom = IriSP.jQuery( "<link>", { 
-        rel: "stylesheet", 
-        type: "text/css", 
-        href: config.gui.css,
-        'class': "dynamic_css"
-      } );
-      
-      css_link_jquery.appendTo('head');
-      css_link_custom.appendTo('head');
+        if (typeof IriSP.jQuery === "undefined" && typeof window.jQuery !== "undefined") {
+            IriSP.jQuery = window.jQuery.noConflict();
+        }
+        IriSP.loadCss(IriSP.getLib("cssjQueryUI"));
+        IriSP.loadCss(config.gui.css);
           
       IriSP.setupDataLoader();
       IriSP.__dataloader.get(metadata_url,