Clean up script

uw_lib_refshelf.module

@@ -129,7 +129,6 @@ function uw_lib_refshelf_render_data() {
         $txt = "<h2>Resources for " . $tit . "</h2><br />";
         $links .= _getLinkAndDesc($qparam, "resources");
       }
-
       $content .= $txt;
       $content .= $links;
     }
@@ -373,34 +372,42 @@ function _highlightSearchWord($word, $str) {
 
   //Search results keyword lowercase
   $word_lc = strtolower($word);
-  $word_style1 = "<span style='background-color: #ffea30;'>" . $word_lc . "</span>";
+  $word_style1 = _styleWord($word_lc);
   $highlighted = str_replace($word_lc, $word_style1, $str);
 
   //Search results keyword -- First letter uppercase
   $word_ucf = ucfirst($word);
-  $word_style2 = "<span style='background-color: #ffea30;'>" . $word_ucf . "</span>";
+  $word_style2 = _styleWord($word_ucf);
   $highlighted = str_replace($word_ucf, $word_style2, $highlighted);
 
   //Search results keyword uppercase
   $word_uc = strtoupper($word);
-  $word_style4 = "<span style='background-color: #ffea30;'>" . $word_uc . "</span>";
-  $highlighted = str_replace($word_uc, $word_style4, $highlighted);
+  $word_style3 = _styleWord($word_uc);
+  $highlighted = str_replace($word_uc, $word_style3, $highlighted);
 
   //Replacement for a search keyword -- all uppercase
   if (ctype_upper($word)) {
     //For search results keyword -- lowercase
     $word_uc = strtolower($word);
-    $word_style3 = "<span style='background-color: #ffea30;'>" . $word_uc . "</span>";
-    $highlighted = str_replace($word_uc, $word_style3, $highlighted);
+    $word_style4 = _styleWord($word_uc);
+    $highlighted = str_replace($word_uc, $word_style4, $highlighted);
 
     //For search results keyword -- First letter -- uppercase
     $word_ucf = ucfirst($word_uc);
-    $word_style2 = "<span style='background-color: #ffea30;'>" . $word_ucf . "</span>";
-    $highlighted = str_replace($word_ucf, $word_style2, $highlighted);
+    $word_style5 = _styleWord($word_ucf);
+    $highlighted = str_replace($word_ucf, $word_style5, $highlighted);
   }
   return $highlighted;
 }
 
+/**
+ * Apply the style for search word
+ */
+function _styleWord($word) {
+  $word_style = "<span style='background-color: #ffea30;'>" . $word . "</span>";
+  return $word_style;
+}
+
 /**
  * To display the search results with pagination
  */