diff --git a/js/app/models/PlotObjects/PlotPanelObject.js b/js/app/models/PlotObjects/PlotPanelObject.js
index 5662cc5..8432698 100644
--- a/js/app/models/PlotObjects/PlotPanelObject.js
+++ b/js/app/models/PlotObjects/PlotPanelObject.js
@@ -223,7 +223,7 @@ Ext.define('amdaPlotObj.PlotPanelObject', {
     		break;
     	case 'xyPlot' :
     		//X Axis
-    		var recs = this.axes().add({id : 'x'});
+    		var recs = this.axes().add({id : 'xaxis_id'});
         	recs[0].setDefaultValues('x');
         	//Y Left Axis
         	recs = this.axes().add({id : 'y-left'});
@@ -237,7 +237,7 @@ Ext.define('amdaPlotObj.PlotPanelObject', {
     		break;
     	case 'instantPlot' :
     		//X Axis
-    		var recs = this.axes().add({id : 'x'});
+    		var recs = this.axes().add({id : 'xaxis_id'});
         	recs[0].setDefaultValues('x');
         	//Y Left Axis
         	recs = this.axes().add({id : 'y-left'});
diff --git a/js/app/views/PlotComponents/EraseTrigger.js b/js/app/views/PlotComponents/EraseTrigger.js
new file mode 100644
index 0000000..3d48f9e
--- /dev/null
+++ b/js/app/views/PlotComponents/EraseTrigger.js
@@ -0,0 +1,25 @@
+/**
+ * Project   : AMDA-NG
+ * Name      : EraseTrigger.js
+ * @class   amdaPlotComp.EraseTrigger
+ * @extends Ext.form.field.Trigger
+ * @brief   Erase button used to define a dropped parameter (cf. function addStandardParamDropTarget of PlotStandardForm)
+ * @author  Benjamin Renard
+ * @version $Id: EraseTrigger.js benjamin $
+ */
+
+Ext.define('amdaPlotComp.EraseTrigger', {
+    extend: 'Ext.form.field.Trigger',
+    alias: 'widget.erasetrigger',
+    initComponent: function () {
+        var me = this;
+
+        me.triggerCls = 'x-form-clear-trigger'; // native ExtJS class & icon
+
+        me.callParent(arguments);
+    },
+    // override onTriggerClick
+    onTriggerClick: function() {
+        this.setValue('');
+    }
+});
\ No newline at end of file
diff --git a/js/app/views/PlotComponents/PlotStandardForm.js b/js/app/views/PlotComponents/PlotStandardForm.js
index 49075e6..0a7926b 100644
--- a/js/app/views/PlotComponents/PlotStandardForm.js
+++ b/js/app/views/PlotComponents/PlotStandardForm.js
@@ -12,7 +12,8 @@ Ext.define('amdaPlotComp.PlotStandardForm', {
 	extend: 'Ext.form.Panel',
     
 	requires : [                
-		        'amdaPlotObj.PlotObjectConfig'
+		        'amdaPlotObj.PlotObjectConfig',
+		        'amdaPlotComp.EraseTrigger'
 	],
 	
     //Object associated to this form
@@ -249,10 +250,9 @@ Ext.define('amdaPlotComp.PlotStandardForm', {
 	
 	addStandardParamDropTarget: function(name, label, onChange) {
 		return {
-	        xtype: 'textfield',
+	        xtype: 'erasetrigger',
 	        name: name,
 	        fieldLabel: label,
-	        readOnly: true,
 	        emptyText: 'Drop a parameter',
 	        listeners: {
             	change: function(field, newValue, oldValue, eOpts) {
@@ -269,8 +269,36 @@ Ext.define('amdaPlotComp.PlotStandardForm', {
             					notifyDrop: function(ddSource, e, data) {
             						var selectedRecord = ddSource.dragData.records[0];
 
-            						field.setValue(selectedRecord.get('id'));
-            						
+            						switch (selectedRecord.$className)
+            						{
+            						case 'amdaModel.LocalParamNode'   :	  
+            			    	 	case 'amdaModel.RemoteParamNode'  :
+            			    	 	case 'amdaModel.RemoteSimuParamNode'  : 
+            			    	 		if (!selectedRecord.get('isParameter') || selectedRecord.get('disable'))
+            			    	 			return false;
+            			    	 		if (selectedRecord.get('alias') != "" )
+            			    	 			field.setValue("#"+selectedRecord.get('alias'));
+            			                else
+            			                	field.setValue(selectedRecord.get('id'));
+            			    	 		return true;
+            			    	 	case 'amdaModel.AliasNode'        :
+            			    	 		if (!selectedRecord.isLeaf())
+            			    	 			return false;
+            			    	 		field.setValue("#"+selectedRecord.get('text'));
+            			    	 		return true;
+            			    	 	case 'amdaModel.DerivedParamNode' :
+            			    	 		if (!selectedRecord.isLeaf())
+            							    return false;
+            			    	 		field.setValue("ws_"+selectedRecord.get('text'));
+            			    	 		return true;
+            						case 'amdaModel.MyDataParamNode' :
+            							if (!selectedRecord.isLeaf())
+            							    return false;
+            							field.setValue("wsd_"+selectedRecord.get('text'));
+            						    return true;
+            					    default :
+            						    return false;
+            						}
             						return true;
             					}
             				}
--
libgit2 0.21.2