diff --git a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/StatAlgoImporter.java b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/StatAlgoImporter.java
index 7a41c56..9931c21 100644
--- a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/StatAlgoImporter.java
+++ b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/StatAlgoImporter.java
@@ -61,7 +61,7 @@ public class StatAlgoImporter implements EntryPoint {
 	}
 
 	protected void loadMainPanel() {
-		StatAlgoImporterResources.INSTANCE.srCSS().ensureInjected();
+		StatAlgoImporterResources.INSTANCE.saiStyles().ensureInjected();
 		// ScriptInjector.fromString(AccountingManagerResources.INSTANCE.jqueryJs().getText()).setWindow(ScriptInjector.TOP_WINDOW).inject();
 
 		StatAlgoImporterController controller = new StatAlgoImporterController();
diff --git a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/codeparser/CodeParser.java b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/codeparser/CodeParser.java
index 30ba669..c278dcc 100644
--- a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/codeparser/CodeParser.java
+++ b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/codeparser/CodeParser.java
@@ -33,6 +33,10 @@ public class CodeParser {
 
 		if (parameter.contains("<-")) {
 			String[] varDescription = parameter.split("<-");
+			String checkDataTypeValue=varDescription[1].trim();
+			if (checkDataTypeValue.endsWith(";"))
+				checkDataTypeValue = checkDataTypeValue.substring(0,
+						checkDataTypeValue.length() - 1);
 			String defaultValue = varDescription[1].trim();
 			if (defaultValue.endsWith(";"))
 				defaultValue = defaultValue.substring(0,
@@ -45,11 +49,15 @@ public class CodeParser {
 
 			selectedRowsVariables = new InputOutputVariables(
 					varDescription[0].trim(), varDescription[0].trim(),
-					defaultValue, checkDataType(varDescription[1].trim()),
+					defaultValue, checkDataType(checkDataTypeValue),
 					ioType, parameter);
 		} else {
 			if (parameter.contains("=")) {
 				String[] varDescription = parameter.split("=");
+				String checkDataTypeValue=varDescription[1].trim();
+				if (checkDataTypeValue.endsWith(";"))
+					checkDataTypeValue = checkDataTypeValue.substring(0,
+							checkDataTypeValue.length() - 1);
 				String defaultValue = varDescription[1].trim();
 				if (defaultValue.endsWith(";"))
 					defaultValue = defaultValue.substring(0,
@@ -61,7 +69,7 @@ public class CodeParser {
 							defaultValue.length() - 1);
 				selectedRowsVariables = new InputOutputVariables(
 						varDescription[0].trim(), varDescription[0].trim(),
-						defaultValue, checkDataType(varDescription[1].trim()),
+						defaultValue, checkDataType(checkDataTypeValue),
 						ioType, parameter);
 
 			} else {
diff --git a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/SAIStyles.css b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/SAIStyles.css
new file mode 100644
index 0000000..ad2a3d4
--- /dev/null
+++ b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/SAIStyles.css
@@ -0,0 +1,9 @@
+@CHARSET "UTF-8";
+
+
+.ribbon {
+	line-height: 13px;
+	font-size: 11px;	
+}
+
+
diff --git a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporterCSS.java b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/SAIStyles.java
similarity index 84%
rename from src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporterCSS.java
rename to src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/SAIStyles.java
index 2b33ca9..8c974b1 100644
--- a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporterCSS.java
+++ b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/SAIStyles.java
@@ -11,10 +11,11 @@ import com.google.gwt.resources.client.CssResource;
  * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
  *
  */
-public interface StatAlgoImporterCSS extends CssResource {
+public interface SAIStyles extends CssResource {
 	
     @ClassName("ribbon")
     public String getRibbon(); 
-
+    
+   
 	
 }
diff --git a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporter.css b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporter.css
deleted file mode 100644
index 6e90020..0000000
--- a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporter.css
+++ /dev/null
@@ -1,12 +0,0 @@
-@CHARSET "UTF-8";
-
-
-.ribbon {
-	line-height: 13px;
-	font-size: 11px;	
-}
-
-
-#drop_target_inner {
-	background-image: url("statalgoimporter/images/explorer_dragndrop.png") !important;
-}
\ No newline at end of file
diff --git a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporterResources.java b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporterResources.java
index c7cf4e9..631cdc2 100644
--- a/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporterResources.java
+++ b/src/main/java/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporterResources.java
@@ -19,8 +19,8 @@ public interface StatAlgoImporterResources extends ClientBundle {
 	public static final StatAlgoImporterResources INSTANCE = GWT
 			.create(StatAlgoImporterResources.class);
 
-	@Source("StatAlgoImporter.css")
-	StatAlgoImporterCSS srCSS();
+	@Source("SAIStyles.css")
+	SAIStyles saiStyles();
 	
 	@Source("WikiLink.txt")
 	ExternalTextResource wikiLink();
diff --git a/src/main/resources/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/SAIStyles.css b/src/main/resources/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/SAIStyles.css
new file mode 100644
index 0000000..ad2a3d4
--- /dev/null
+++ b/src/main/resources/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/SAIStyles.css
@@ -0,0 +1,9 @@
+@CHARSET "UTF-8";
+
+
+.ribbon {
+	line-height: 13px;
+	font-size: 11px;	
+}
+
+
diff --git a/src/main/resources/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporter.css b/src/main/resources/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporter.css
deleted file mode 100644
index 4232406..0000000
--- a/src/main/resources/org/gcube/portlets/user/statisticalalgorithmsimporter/client/resource/StatAlgoImporter.css
+++ /dev/null
@@ -1,11 +0,0 @@
-@CHARSET "UTF-8";
-
-
-.ribbon {
-	line-height: 13px;
-	font-size: 11px;	
-}
-
-#drop_target_inner {
-	background-image: url("statalgoimporter/images/explorer_dragndrop.png") !important;
-}
\ No newline at end of file
diff --git a/src/main/webapp/StatAlgoImporter.css b/src/main/webapp/StatAlgoImporter.css
index 00f0d46..42f1e09 100644
--- a/src/main/webapp/StatAlgoImporter.css
+++ b/src/main/webapp/StatAlgoImporter.css
@@ -5,3 +5,6 @@
 }*/
 
  
+#drop_target_inner {
+	background-image: url("statalgoimporter/images/upload_128.png") !important;
+}
\ No newline at end of file
diff --git a/src/main/webapp/statalgoimporter/images/explorer_dragndrop.png b/src/main/webapp/statalgoimporter/images/explorer_dragndrop.png
deleted file mode 100644
index 0f1ac75..0000000
Binary files a/src/main/webapp/statalgoimporter/images/explorer_dragndrop.png and /dev/null differ
diff --git a/src/main/webapp/statalgoimporter/images/upload_128.png b/src/main/webapp/statalgoimporter/images/upload_128.png
new file mode 100644
index 0000000..758cfce
Binary files /dev/null and b/src/main/webapp/statalgoimporter/images/upload_128.png differ