diff --git a/resources/library/interactivities/associer_images.wgt/js/script.js b/resources/library/interactivities/associer_images.wgt/js/script.js
index 7d5494cf..8e3829b1 100644
--- a/resources/library/interactivities/associer_images.wgt/js/script.js
+++ b/resources/library/interactivities/associer_images.wgt/js/script.js
@@ -705,7 +705,6 @@ function onDropTarget(obj, event) {
         }
         textData = stringToXML(textData);
         var tmp = textData.getElementsByTagName("path")[0].firstChild.textContent;
-        tmp = tmp.substr(1, tmp.length);
         var tmp_img = $("<img/>").attr("src", tmp);
         $(obj).append(tmp_img);
         setTimeout(function(){
diff --git a/resources/library/interactivities/associer_sounds.wgt/js/script.js b/resources/library/interactivities/associer_sounds.wgt/js/script.js
index 8be79320..1019b85c 100644
--- a/resources/library/interactivities/associer_sounds.wgt/js/script.js
+++ b/resources/library/interactivities/associer_sounds.wgt/js/script.js
@@ -811,7 +811,6 @@ function onDropAudio(obj, event) {
         var tmp_type = textData.getElementsByTagName("type")[0].firstChild.textContent;
         if(tmp_type.substr(0, 5) == "audio"){       
             var audio_block = $(obj).find(".audio_block");
-            tmp = tmp.substr(1, tmp.length);            
             $(obj).find("audio").remove();
             audio_block.find(":first-child").removeClass("stop").addClass("play");
             var source = $("<source/>").attr("src", tmp);
@@ -839,4 +838,4 @@ if (window.widget) {
             $(this).parent().find(":first-child").removeClass("stop").addClass("play");
         });
     }
-}
\ No newline at end of file
+}
diff --git a/resources/library/interactivities/categoriser_images.wgt/js/script.js b/resources/library/interactivities/categoriser_images.wgt/js/script.js
index 9951a041..43735020 100644
--- a/resources/library/interactivities/categoriser_images.wgt/js/script.js
+++ b/resources/library/interactivities/categoriser_images.wgt/js/script.js
@@ -698,7 +698,6 @@ function onDropTarget(obj, event) {
         textData = stringToXML(textData);
         if(textData.getElementsByTagName("ready")[0].firstChild.textContent == "true"){
             var tmp = textData.getElementsByTagName("path")[0].firstChild.textContent;
-            tmp = tmp.substr(1, tmp.length);       
             var img_block = $("<div class='img_block' style='text-align: center;'>");
             $("<div class='close_img'>").appendTo(img_block);            
             $("<input type='hidden' value='" + $(obj).find("input[name='mask']").val() + "'/>").appendTo(img_block);
@@ -743,4 +742,4 @@ function onDropTarget(obj, event) {
         event.cancelBubble = true;
     }
     return false;
-}
\ No newline at end of file
+}
diff --git a/resources/library/interactivities/etudier.wgt/js/script.js b/resources/library/interactivities/etudier.wgt/js/script.js
index 52cbbf28..f823c713 100644
--- a/resources/library/interactivities/etudier.wgt/js/script.js
+++ b/resources/library/interactivities/etudier.wgt/js/script.js
@@ -529,7 +529,6 @@ function onDropTarget(obj, event) {
         textData = stringToXML(textData);
         var tmp = textData.getElementsByTagName("path")[0].firstChild.textContent;
         var tmp_type = textData.getElementsByTagName("type")[0].firstChild.textContent;
-        tmp = tmp.substr(1, tmp.length); 
         if(tmp_type.substr(0, 5) == "audio"){                              
             var audio_block = $("<div class='audio_block'>").draggable().appendTo($(obj));
             audio_block.css("position","absolute").css("top",event.clientY).css("left",event.clientX);
@@ -587,4 +586,4 @@ $(window).resize(function(){
         $(this).width(slider.width()).height(slider.height());
     });
     slider.setSize(slider.width(), slider.height());
-})
\ No newline at end of file
+})
diff --git a/resources/library/interactivities/ordonner_des_images.wgt/js/script.js b/resources/library/interactivities/ordonner_des_images.wgt/js/script.js
index 2dc90199..bd11f808 100644
--- a/resources/library/interactivities/ordonner_des_images.wgt/js/script.js
+++ b/resources/library/interactivities/ordonner_des_images.wgt/js/script.js
@@ -444,7 +444,6 @@ function onDropTarget(obj, event) {
         }
         textData = stringToXML(textData);
         var tmp = textData.getElementsByTagName("path")[0].firstChild.textContent;
-        tmp = tmp.substr(1, tmp.length);        
         var tmp_img = $("<img/>").attr("src", tmp);
         $(obj).append(tmp_img);
         setTimeout(function(){
diff --git a/resources/library/interactivities/ordonner_des_letters.wgt/js/script.js b/resources/library/interactivities/ordonner_des_letters.wgt/js/script.js
index 2cf9d4bf..bca8ff38 100644
--- a/resources/library/interactivities/ordonner_des_letters.wgt/js/script.js
+++ b/resources/library/interactivities/ordonner_des_letters.wgt/js/script.js
@@ -438,7 +438,6 @@ function onDropAudio(obj, event) {
         var tmp_type = textData.getElementsByTagName("type")[0].firstChild.textContent;
         if(tmp_type.substr(0, 5) == "audio"){       
             var audio_block = $(obj).find(".audio_block");
-            tmp = tmp.substr(1, tmp.length);            
             $(obj).find("audio").remove();
             audio_block.find(":first-child").removeClass("stop").addClass("play");
             var source = $("<source/>").attr("src", tmp);
@@ -466,4 +465,4 @@ if (window.widget) {
             $(this).parent().find(":first-child").removeClass("stop").addClass("play");
         });
     }
-}
\ No newline at end of file
+}
diff --git a/resources/library/interactivities/ordonner_des_lettres.wgt/js/script.js b/resources/library/interactivities/ordonner_des_lettres.wgt/js/script.js
index 2cf9d4bf..bca8ff38 100644
--- a/resources/library/interactivities/ordonner_des_lettres.wgt/js/script.js
+++ b/resources/library/interactivities/ordonner_des_lettres.wgt/js/script.js
@@ -438,7 +438,6 @@ function onDropAudio(obj, event) {
         var tmp_type = textData.getElementsByTagName("type")[0].firstChild.textContent;
         if(tmp_type.substr(0, 5) == "audio"){       
             var audio_block = $(obj).find(".audio_block");
-            tmp = tmp.substr(1, tmp.length);            
             $(obj).find("audio").remove();
             audio_block.find(":first-child").removeClass("stop").addClass("play");
             var source = $("<source/>").attr("src", tmp);
@@ -466,4 +465,4 @@ if (window.widget) {
             $(this).parent().find(":first-child").removeClass("stop").addClass("play");
         });
     }
-}
\ No newline at end of file
+}
diff --git a/resources/library/interactivities/selectionner.wgt/js/script.js b/resources/library/interactivities/selectionner.wgt/js/script.js
index 70935ce1..3998aa94 100644
--- a/resources/library/interactivities/selectionner.wgt/js/script.js
+++ b/resources/library/interactivities/selectionner.wgt/js/script.js
@@ -415,7 +415,6 @@ function onDropTarget(obj, event) {
         textData = stringToXML(textData);
         var tmp = textData.getElementsByTagName("path")[0].firstChild.textContent;
         var tmp_type = textData.getElementsByTagName("type")[0].firstChild.textContent;
-        tmp = tmp.substr(1, tmp.length); 
         if(tmp_type.substr(0, 5) == "audio"){  
             var img_tmp = $("<div class='img_block'>").insertBefore($(obj).find(".add_img"));
             var audio_block = $("<div class='audio_block'>").appendTo(img_tmp)