diff --git a/js/app/controllers/EpnTapModule.js b/js/app/controllers/EpnTapModule.js
index a3cc104..b9e63b9 100644
--- a/js/app/controllers/EpnTapModule.js
+++ b/js/app/controllers/EpnTapModule.js
@@ -362,8 +362,8 @@ Ext.define('amdaDesktop.EpnTapModule', {
 		var newTimeMin = null;
 		var newTimeMax = null;
 
-		var timeMin = Ext.Date.parse('01/01/2100', 'd/m/Y');
-		var timeMax = Ext.Date.parse('01/01/1900', 'd/m/Y');
+		var timeMin = null;
+		var timeMax = null;
 
 		var productType = this.productTypeCB.value;
 		var targetClass = this.targetClassCB.value;
@@ -380,11 +380,10 @@ Ext.define('amdaDesktop.EpnTapModule', {
 
 							newTimeMin = Ext.Date.parse(service[1], 'd/m/Y');
 							newTimeMax = Ext.Date.parse(service[2], 'd/m/Y');
-
-							if (newTimeMin !== null && newTimeMin < timeMin) {
+							if (newTimeMin !== null && newTimeMin < timeMin || timeMin == null) {
 								timeMin = newTimeMin;
 							}
-							if (newTimeMax !== null && newTimeMax > timeMax) {
+							if (newTimeMax !== null && newTimeMax > timeMax || timeMax == null) {
 								timeMax = newTimeMax;
 							}
 						}
@@ -400,10 +399,10 @@ Ext.define('amdaDesktop.EpnTapModule', {
 
 						newTimeMin = Ext.Date.parse(service[1], 'd/m/Y');
 						newTimeMax = Ext.Date.parse(service[2], 'd/m/Y');
-						if (newTimeMin !== null && newTimeMin < timeMin) {
+						if (newTimeMin !== null && newTimeMin < timeMin || timeMin == null) {
 							timeMin = newTimeMin;
 						}
-						if (newTimeMax !== null && newTimeMax > timeMax) {
+						if (newTimeMax !== null && newTimeMax > timeMax || timeMax == null) {
 							timeMax = newTimeMax;
 						}
 					}
@@ -417,10 +416,10 @@ Ext.define('amdaDesktop.EpnTapModule', {
 
 					newTimeMin = Ext.Date.parse(service[1], 'd/m/Y');
 					newTimeMax = Ext.Date.parse(service[2], 'd/m/Y');
-					if (newTimeMin !== null && newTimeMin < timeMin) {
+					if (newTimeMin !== null && newTimeMin < timeMin || timeMin == null) {
 						timeMin = newTimeMin;
 					}
-					if (newTimeMax !== null && newTimeMax > timeMax) {
+					if (newTimeMax !== null && newTimeMax > timeMax || timeMax == null) {
 						timeMax = newTimeMax;
 					}
 				}
@@ -433,24 +432,15 @@ Ext.define('amdaDesktop.EpnTapModule', {
 				newTimeMin = Ext.Date.parse(service[1], 'd/m/Y');
 				newTimeMax = Ext.Date.parse(service[2], 'd/m/Y');
 
-				if (newTimeMin !== null && newTimeMin < timeMin) {
+				if (newTimeMin !== null && newTimeMin < timeMin || timeMin == null) {
 					timeMin = newTimeMin;
 				}
-				if (newTimeMax !== null && newTimeMax > timeMax) {
+				if (newTimeMax !== null && newTimeMax > timeMax || timeMax == null) {
 					timeMax = newTimeMax;
 				}
 			}
 		}
 
-		if (timeMin < Ext.Date.parse('01/01/1970', 'd/m/Y') ) {
-			console.log('warning: ', timeMin, " is a too old date, replaced by 01/01/1970.");
-			timeMin = Ext.Date.parse('01/01/1970', 'd/m/Y');
-		}
-		if (timeMax > Ext.Date.parse('01/01/2099', 'd/m/Y') ) {
-			console.log('warning: ', timeMax, " is a too high date, replaced by 01/01/2099.");
-			timeMax = Ext.Date.parse('01/01/2099', 'd/m/Y');
-		}
-
 		this.timeSelector.setLimits(timeMin, timeMax);
 		this.timeSelector.setInterval(timeMin, timeMax);
 
diff --git a/js/app/views/EpnTapUI.js b/js/app/views/EpnTapUI.js
index b6cf074..1ee21e3 100644
--- a/js/app/views/EpnTapUI.js
+++ b/js/app/views/EpnTapUI.js
@@ -449,7 +449,8 @@ Ext.define('amdaUI.EpnTapUI', {
 		*/
 		var createTimeSelector = function() {
 			return Ext.create('amdaUI.IntervalUI', {
-				id: 'epnTapTimeSelector'
+				id: 'epnTapTimeSelector',
+				durationLimit: 99999
 			});
 		};
 
diff --git a/js/app/views/IntervalUI.js b/js/app/views/IntervalUI.js
index ac81d75..77276f2 100644
--- a/js/app/views/IntervalUI.js
+++ b/js/app/views/IntervalUI.js
@@ -12,7 +12,10 @@
  ******************************************************************************
  */
 
-
+/**
+config:
+- durationLimit: The maximum value of the duration days field (9999 by default).
+*/
 Ext.define('amdaUI.IntervalUI', {
     extend: 'Ext.container.Container',
     alias: 'widget.intervalSelector',
@@ -24,29 +27,31 @@ Ext.define('amdaUI.IntervalUI', {
 	},
 
 	/**
-		Set the start and stop date, and update the duration field.
-		- startDate: A Extjs Date object representing the new start time.
-		- stopDate: A Extjs Date object representing the new stop time.
-		- return: None.
+	Set the start and stop date, and update the duration field.
+	- startDate: A Extjs Date object representing the new start time.
+	- stopDate: A Extjs Date object representing the new stop time.
+	- return: None.
 	*/
-	setInterval : function(startDate, stopDate)
-	{
+	setInterval: function(startDate, stopDate) {
 		// get the search form
-        var form = this.findParentByType('form').getForm();
-        // get start field
-        var startField = form.findField('startDate');
-        // get stop field
-        var stopField = form.findField('stopDate');
+		var form = this.findParentByType('form').getForm();
+		// get start field
+		var startField = form.findField('startDate');
+		// get stop field
+		var stopField = form.findField('stopDate');
 
-        if (startField != null)
-        	startField.setValue(startDate);
+		if (startField != null)
+			startField.setValue(startDate);
 
-        if (stopField != null)
-        	stopField.setValue(stopDate);
+		if (stopField != null)
+			stopField.setValue(stopDate);
 
-        this.updateDuration();
+		this.updateDuration();
 	},
 
+	/**
+	Set the limits values of both startField and stopField date fields.
+	*/
 	setLimits: function(minValue, maxValue) {
 		var form = this.findParentByType('form').getForm();
 		var startField = form.findField('startDate');
@@ -66,17 +71,16 @@ Ext.define('amdaUI.IntervalUI', {
 	},
 
 	/**
-		Get the start time field value.
-		- return: A Extjs Date object representing the start time.
+	Get the start time field value.
+	- return: A Extjs Date object representing the start time.
 	*/
-	getStartTime : function()
-	{
+	getStartTime: function() {
 		// get the search form
-        var form = this.findParentByType('form').getForm();
-        // get start field
-        var startField = form.findField('startDate');
+		var form = this.findParentByType('form').getForm();
+		// get start field
+		var startField = form.findField('startDate');
 
-        return startField.getValue();
+		return startField.getValue();
 	},
 
 	/**
@@ -114,13 +118,13 @@ Ext.define('amdaUI.IntervalUI', {
 
             var durationDays = Math.floor(diff/86400000);
             // set all duration values
-            form.findField('durationDay').setValue(Ext.String.leftPad(durationDays,4,'0'));
+            form.findField('durationDay').setValue(Ext.String.leftPad(durationDays, ('' + this.durationLimit).length, '0'));
             form.findField('durationHour').setValue(Ext.String.leftPad(Math.floor(diff/3600000 % 24),2,'0'));
             form.findField('durationMin').setValue(Ext.String.leftPad(Math.floor(diff/60000 % 60),2,'0'));
             form.findField('durationSec').setValue(Ext.String.leftPad(Math.floor(diff/1000 % 60),2,'0'));
 
-            if (durationDays > 25000) {
-                form.findField('durationDay').markInvalid('Maximum interval is 25000 days!');
+            if (durationDays > this.durationLimit) {
+                form.findField('durationDay').markInvalid('Maximum interval is ' + this.durationLimit + ' days!');
             }
         }
 
@@ -237,7 +241,7 @@ Ext.define('amdaUI.IntervalUI', {
             items:[
                 { xtype: 'displayfield', labelWidth: 60, labelAlign: 'right', width: 60, fieldLabel: '<br>Duration'},
                 { xtype: 'component', width: 5},
-                { name: 'durationDay', fieldLabel: 'Days', width: 45, maxLength: 5},
+                { name: 'durationDay', fieldLabel: 'Days', width: 45, maxLength: ('' + this.durationLimit).length},
                 { xtype: 'component', width: 5},
                 { name: 'durationHour', fieldLabel: 'Hrs'},
                 { xtype: 'component', width: 5},
@@ -249,6 +253,8 @@ Ext.define('amdaUI.IntervalUI', {
 	},
 
     init : function(config) {
+		this.durationLimit = config.durationLimit == null ? 9999 : config.durationLimit; // Set duration limit to 9999 by default
+
         var me = this;
 
         var myConf = {
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