diff --git a/doc/fdt_top.html b/doc/fdt_top.html
index 7739772113f83ec22a229a22b821352a35edb4d2..7cf0074b3b7a8c98a3bad359fee8d1f5bf0804a2 100644
--- a/doc/fdt_top.html
+++ b/doc/fdt_top.html
@@ -6,21 +6,73 @@
 
 User Guide - FDT version 1.0 
 
-<br><br>
 
-<a href="fdt_intro.html" target="dynamic">Introduction</a> -
-<a href="fdt_pipeline.html" target="dynamic">Processing Pipeline</a> -
-<a href="fdt_eddy.html" target="dynamic">Eddy Current Correction</a> -
-<a href="fdt_dtifit.html" target="dynamic">DtiFit</a> -
-<a href="fdt_bedpost.html" target="dynamic">Bedpost</a> -
-<a href="fdt_bedpost_parallel.html" target="dynamic">Parallelising Bedpost</a> -
-<a href="fdt_reg.html" target="dynamic">Registration</a> -
-<a href="fdt_probtrack.html" target="dynamic">Probtrack</a> -
-<a href="fdt_thresh.html" target="dynamic">proj_thresh</a> -
-<a href="fdt_biggest.html" target="dynamic">find_the_biggest</a> -
-<a href="fdt_display.html" target="dynamic">displaying DWI images in fslview</a> -
-<a href="http://www.fmrib.ox.ac.uk/analysis/techrep/tr03tb1/tr03tb1/" target="dynamic">Overview of Local Diffusion
-Modelling used in FDT</a>
+<center>
+<form target="dynamic">
+  <p><select name="section" size="1" language="javascript" target="dynamic" onChange="gotoPage(this.selectedIndex);">
+  <option selected>----------Select Module-----------</option>
+  <option>Introduction</option>
+  <option>Processing pipeline</option>
+  <option>Eddy current correction</option>
+  <option>DTIFit</option>
+  <option>Bedpost</option>
+  <option>Parallelising Bedpost</option>
+  <option>Registration</option>
+  <option>Probtrack</option>
+  <option>Proj_thresh</option>
+  <option>find_the_biggest</option>
+  <option>Displaying DW images in fslview </option>
+  <option>Overview of FDT theory </option>
+  </select></p>
+</form>
+</center>
+<script language="JavaScript">
+<!--
+function gotoPage(varItem)
+{
+  switch(varItem)
+  {
+    case 1:
+      window.top.dynamic.location="fdt_intro.html";
+      break;
+    case 2:
+      window.top.dynamic.location="fdt_pipeline.html";
+      break;
+    case 3:
+      window.top.dynamic.location="fdt_eddy.html";
+      break;
+    case 4:
+      window.top.dynamic.location="fdt_dtifit.html";
+      break;
+    case 5:
+      window.top.dynamic.location="fdt_bedpost.html";
+      break
+    case 6:
+      window.top.dynamic.location="fdt_bedpost_parallel";
+      break;
+    case 7:
+      window.top.dynamic.location="fdt_reg.html";
+      break;
+    case 8:
+      window.top.dynamic.location="fdt_probtrack.html";
+      break;
+    case 9:
+      window.top.dynamic.location="fdt_thresh.html";
+      break;
+    case 10:
+      window.top.dynamic.location="fdt_biggest.html";
+      break;
+    case 11:
+      window.top.dynamic.location="fdt_display.html";
+      break;
+    case 12:
+      window.top.dynamic.location="http://www.fmrib.ox.ac.uk/analysis/techrep/tr03tb1/tr03tb1/";
+      break;
+  }
+}
+// -->
+</script>
+
 <TD ALIGN=RIGHT><a href="../index.html" target="_top"><IMG BORDER=0 SRC="fdt_images/fsl-logo.jpg"></a>
 
 </TR></TABLE><hr></BODY></HTML>