diff --git a/app/scripts/controllers/preview.js b/app/scripts/controllers/preview.js
index 9ef6d72..09cec89 100644
--- a/app/scripts/controllers/preview.js
+++ b/app/scripts/controllers/preview.js
@@ -31,8 +31,6 @@ angular.module('grafterizerApp')
   
     if(toParams.distributionId  ){
      $scope.$parent.showPreview = $rootScope.previewmode; 
-     console.log( $scope.$parent.showPreview);
-        console.log($rootScope.upwizardMode);
          } else {
       $scope.$parent.showPreview = false;
       $rootScope.previewmode = false;
diff --git a/app/scripts/pipelineDirectives/addcolumnsfunction.js b/app/scripts/pipelineDirectives/addcolumnsfunction.js
index f6893e6..0a7aaa9 100644
--- a/app/scripts/pipelineDirectives/addcolumnsfunction.js
+++ b/app/scripts/pipelineDirectives/addcolumnsfunction.js
@@ -23,6 +23,17 @@ angular.module('grafterizerApp')
           scope.function = newFunction;
         }
 
+        if (scope.function) {  
+            scope.addcolumnsmode = [];
+            for (var i=0; i< scope.function.columnsArray.length; ++i)
+                {
+                    if (scope.function.columnsArray[i].colValue)
+                        scope.addcolumnsmode.splice(i,0,'value');
+                    else
+                        scope.addcolumnsmode.splice(i,0,'expression');
+                }
+        }
+          
         scope.newColumnValues = ['Dataset filename', 'Current date', 'Row number', 'custom expression'];
         scope.$parent.generateCurrFunction = function() {
           return new transformationDataModel.AddColumnsFunction(
diff --git a/app/scripts/pipelineDirectives/mapc.js b/app/scripts/pipelineDirectives/mapc.js
index cc8e3c3..c07dc82 100644
--- a/app/scripts/pipelineDirectives/mapc.js
+++ b/app/scripts/pipelineDirectives/mapc.js
@@ -12,16 +12,20 @@ angular.module('grafterizerApp')
     templateUrl: 'views/pipelineFunctions/mapcFunction.html',
     restrict: 'E',
     link: function postLink(scope, element, attrs) {
+        scope.showArgs=[];
       if (!scope.function) {
         var keyfuncpair = new transformationDataModel.KeyFunctionPair(
           '', scope.$parent.transformation.findPrefixerOrCustomFunctionByName('string-literal'), []);
         scope.function = new transformationDataModel.MapcFunction([keyfuncpair], null);
         scope.function.docstring = null;
+          scope.showArgs.push(true);
       } else {
         for (var i = 0; i < scope.function.keyFunctionPairs.length; ++i) {
           var currFunc = scope.function.keyFunctionPairs[i].func;
           if (!currFunc.hasOwnProperty('name')) scope.function.keyFunctionPairs[i].func = scope.$parent.transformation.findPrefixerOrCustomFunctionByName(currFunc);
+              scope.showArgs.push(false);
         }
+           
       }
 
       if (!(scope.function instanceof transformationDataModel.MapcFunction)) {
@@ -41,6 +45,7 @@ angular.module('grafterizerApp')
         return new transformationDataModel.MapcFunction(scope.function.keyFunctionPairs, scope.function.docstring);
       };
 
+    
       scope.getCustomFunctionsAndPrefixers = function() {
 
         var customFunctionsAndPrefixers = [];
@@ -63,10 +68,14 @@ angular.module('grafterizerApp')
       };
 
       scope.addKeyFunctionPair = function() {
+             for (var i = 0; i < scope.function.keyFunctionPairs.length; ++i) {
+                 scope.showArgs[i]=false;
+             }
         var newKeyFunctionPair = new transformationDataModel.KeyFunctionPair('',{name:'string-literal',
                                                                                  group:'CONVERT_DATATYPE',
                                                                                  id:0},[]);
         this.function.keyFunctionPairs.push(newKeyFunctionPair);
+       scope.showArgs[scope.function.keyFunctionPairs.length-1]=true;
       };
       scope.removeKeyFunctionPair = function(kfPair) {
         scope.function.removeKeyFunctionPair(kfPair);
diff --git a/app/scripts/pipelineDirectives/renamecolumnsfunction.js b/app/scripts/pipelineDirectives/renamecolumnsfunction.js
index acb3330..9c88af3 100644
--- a/app/scripts/pipelineDirectives/renamecolumnsfunction.js
+++ b/app/scripts/pipelineDirectives/renamecolumnsfunction.js
@@ -27,6 +27,13 @@ angular.module('grafterizerApp')
           };
         };
 
+          if (scope.function) {
+              if (scope.function.functionsToRenameWith[0]) 
+                  scope.renamecolumnsmode = 'function';
+              else
+                  scope.renamecolumnsmode = 'map';
+                  
+          }
         scope.$parent.generateCurrFunction = function() {
           var functArray = [];
           var newrenfunc;
diff --git a/app/views/pipelineFunctions/addColumnsFunction.html b/app/views/pipelineFunctions/addColumnsFunction.html
index b0127b8..17ad610 100644
--- a/app/views/pipelineFunctions/addColumnsFunction.html
+++ b/app/views/pipelineFunctions/addColumnsFunction.html
@@ -12,27 +12,34 @@
     <h3>Parameters</h3>
     <p>Columns to add</p>
     <div layout="column" ng-repeat="columnSpec in function.columnsArray">
+           
       <div layout="row">
         <md-button class="md-primary button-tight md-default-theme" ng-disabled="function.columnsArray.length === 1 || $root.readonlymode" ng-click="removeColumn($index)" aria-label="Remove column"> <i class="fa fa-trash fa-lg"></i>
         </md-button>
         <md-input-container flex>
           <label>Name of new column</label>
           <input ng-model="columnSpec.colName" type="text" required ng-readonly="$root.readonlymode"></md-input-container>
-        <md-input-container flex>
+        
+      </div>
+         <md-radio-group ng-model="addcolumnsmode[$index]" readonly="$root.readonlymode">
+      <md-radio-button value="value">Text value</md-radio-button>
+      <md-radio-button value="expression">Expression</md-radio-button>
+      
+    </md-radio-group>
+        <md-input-container ng-show = "addcolumnsmode[$index]==='value'" flex>
           <label>Value</label>
           <input ng-model="columnSpec.colValue" ng-disabled="columnSpec.specValue" type="text" ng-readonly="$root.readonlymode" />
         </md-input-container>
-      </div>
-      <div layout="row">
+      <div layout="row" ng-show="addcolumnsmode[$index]==='expression'">
         <md-input-container flex>
           <md-select ng-disabled="columnSpec.colValue" aria-label="new column expression" placeholder="{{columnSpec.specValue?columnSpec.specValue:'Choose expression type'}}" ng-model="columnSpec.specValue" ng-disabled="$root.readonlymode">
             <md-option ng-repeat="val in newColumnValues"  value = {{val}}>{{val}}</md-option>
           </md-select>
 
         </md-input-container>
-        <md-input-container ng-if="columnSpec.specValue==='custom expression'"  flex>
+        <md-input-container style=  "padding-top:17px;" ng-if="columnSpec.specValue==='custom expression'"  flex>
           <label>Expression</label>
-          <input ng-model="columnSpec.expression" type="text"  ng-readonly="$root.readonlymode"/>
+          <input  ng-model="columnSpec.expression" type="text"  ng-readonly="$root.readonlymode"/>
         </md-input-container>
       </div>
     </div>
diff --git a/app/views/pipelineFunctions/grepFunction.html b/app/views/pipelineFunctions/grepFunction.html
index 00e19bd..1e35006 100644
--- a/app/views/pipelineFunctions/grepFunction.html
+++ b/app/views/pipelineFunctions/grepFunction.html
@@ -57,7 +57,7 @@ <h3>Parameters</h3>
             <i class="fa fa-question-circle fa-lg"></i>
         </md-button>
         </div>
-            <div ng-show = "showRegex">
+            <div ng-show = "showRegex" class="api-doc-docstring">
             <p> 
             The most simple regular expressions are just literal characters. Example: to narrow dataset just to rows containing text fragment <mark>abc</mark> you should use <mark>abc</mark> regular expression.
             <br>
diff --git a/app/views/pipelineFunctions/mapcFunction.html b/app/views/pipelineFunctions/mapcFunction.html
index c57813a..0c7a01a 100644
--- a/app/views/pipelineFunctions/mapcFunction.html
+++ b/app/views/pipelineFunctions/mapcFunction.html
@@ -32,7 +32,7 @@
     <h3>Parameters</h3>
     <md-button class="md-raised" ng-click="addKeyFunctionPair()" aria-label="Add mapping" ng-disabled="$root.readonlymode">Add mapping</md-button>
     <div layout="row" ng-repeat="keyFunctionPair in function.keyFunctionPairs">
-      <div layout="row" layout-align="start center">
+      <div layout="row" layout-align="start start">
         <md-button class="md-primary button-tight md-default-theme" ng-disabled="function.keyFunctionPairs.length === 1 || $root.readonlymode" ng-click="removeKeyFunctionPair(keyFunctionPair)" aria-label="Remove column mapping">
           <i class="fa fa-trash fa-lg"></i>
         </md-button>
@@ -47,11 +47,20 @@ <h3>Parameters</h3>
           <oi-select oi-options="customFunction.name group by customFunction.group for customFunction in  getCustomFunctionsAndPrefixers() track by customFunction.id" title="customFunction.docstring" ng-model="keyFunctionPair.func" ng-disabled="$root.readonlymode"></oi-select>
         </div>
         <div layout="column" style="margin-left:20px">
-          <md-input-container ng-repeat="param in keyFunctionPair.getParams()">
+            <md-button ng-show="keyFunctionPair.getParams().length > 0"  style="margin-top:20px" aria-label="Arguments" ng-click="showArgs[$index] = !showArgs[$index]">
+            <span ng-hide="showArgs[$index]"> <i class="fa fa-angle-down"></i>
+                Arguments
+                </span>
+            <span ng-show="showArgs[$index]"> <i class="fa fa-angle-up"></i>
+                Arguments
+                </span>
+                </md-button>
+            <div ng-show="showArgs[$index]" layout="column">
+          <md-input-container  ng-repeat="param in keyFunctionPair.getParams()">
             <label>{{param}}</label>
             <input ng-model = "keyFunctionPair.funcParams[$index]">
           </md-input-container> 
-
+</div>
         </div>
       </div>
 
diff --git a/app/views/pipelineFunctions/renameColumnsFunction.html b/app/views/pipelineFunctions/renameColumnsFunction.html
index be6d4a3..0530614 100644
--- a/app/views/pipelineFunctions/renameColumnsFunction.html
+++ b/app/views/pipelineFunctions/renameColumnsFunction.html
@@ -9,9 +9,13 @@
         </div>
         </div>
         <h3 style="padding-left: 20px;">Parameters</h3>
-        <div class="whiteframedemoBasicUsage" layout="row"  style="padding-bottom: 32px;">
-        <div>
-        <md-whiteframe  class="md-whiteframe-z1" layout="column" layout-align="left ">
+    
+    <md-radio-group ng-model="renamecolumnsmode" readonly="$root.readonlymode">
+      <md-radio-button value="function">Transform with function</md-radio-button>
+      <md-radio-button value="map">Map values</md-radio-button> 
+    </md-radio-group>
+    
+        <div ng-show="renamecolumnsmode==='function'">
             <p> Transform current column names </p>
 <div   ng-repeat="renameFunction in function.functionsToRenameWith track by $index ">
     <div >
@@ -27,12 +31,10 @@ <h3 style="padding-left: 20px;">Parameters</h3>
 
 
 </div>
-        <md-button class="md-raised" ng-click="addRenameFunction()" aria-label="Compose with function" ng-disabled="$root.readonlymode">Compose with </md-button>
-</md-whiteframe>
-</div>
-
-        <div>
-        <md-whiteframe  class="md-whiteframe-z1" layout="column" layout-align="left ">
+          
+        <md-button  class="md-raised" ng-click="addRenameFunction()" aria-label="Compose with function" ng-disabled="$root.readonlymode">Compose with </md-button>
+  </div>
+<div ng-show="renamecolumnsmode==='map'">
             <p> Map values </p>
 <div layout="row"  ng-repeat="i in getMapLength(function.mappings.length) ">
     <div layout="row"> 
@@ -50,12 +52,13 @@ <h3 style="padding-left: 20px;">Parameters</h3>
                 <input ng-model="function.mappings[i+1]" type="text" required ng-readonly="$root.readonlymode">
             </md-input-container>
         </div>
-    </div>
 
 </div>
+    </div>
 <md-button class="md-raised" ng-click="addRenameMapping()" aria-label="Add mapping pair" ng-disabled="$root.readonlymode">Add mapping pair</md-button>
-</md-whiteframe>
-</div>
+
+
+  
 </div>
     <md-input-container flex>
         <label>Comment</label>