diff --git a/gulliver/js/form/core/form.js b/gulliver/js/form/core/form.js
index 30878c613..8f2992042 100644
--- a/gulliver/js/form/core/form.js
+++ b/gulliver/js/form/core/form.js
@@ -1480,7 +1480,7 @@ function G_Text(form, element, name)
     		}
       }
 
-      if (me.browser.name == 'Chrome' || me.browser.name == 'Safari'){
+      if (me.browser.name == 'Chrome' || me.browser.name == 'Safari' || me.browser.name == 'Firefox'){
         event.returnValue = false;
       }
       else{
diff --git a/gulliver/js/maborak/core/maborak.js b/gulliver/js/maborak/core/maborak.js
index 324f9723e..e3c7f3d4d 100644
--- a/gulliver/js/maborak/core/maborak.js
+++ b/gulliver/js/maborak/core/maborak.js
@@ -999,7 +999,7 @@ else{me.applyMask(pressKey);}
 if(updateOnChange){me.sendOnChange();}}
 if(me.browser.name=='Firefox'){if(keyCode==0)return true;}
 if(me.browser.name=='Microsoft Internet Explorer'||me.browser.name=='Netscape'){if(window.event.preventDefault){window.event.preventDefault();}else{window.event.returnValue=false;}}
-if(me.browser.name=='Chrome'||me.browser.name=='Safari'){event.returnValue=false;}
+if(me.browser.name=='Chrome'||me.browser.name=='Safari'||me.browser.name=='Firefox'){event.returnValue=false;}
 else{return false;}}};if(this.element){this.element.onblur=function(event)
 {var evt=event||window.event;var keyPressed=evt.which||evt.keyCode;if((me.mask!='')&&((me.mType=='currency')||(me.mType=='percentage')||((me.validate=="Real")&&(me.mType=='text')))&&(me.mask.indexOf('-')==-1)&&(me.element.value!='')){masks=me.mask;aMasks=masks.split(';');for(m=0;m<aMasks.length;m++){var separatorField=",";if(typeof(me.comma_separator)!='undefined'){separatorField=me.comma_separator;}else{txtRealMask=aMasks[m].split('');p=txtRealMask.length-1;for(;p>=0;p--){if(txtRealMask[p]!='#'&&txtRealMask[p]!='%'&&txtRealMask[p]!=' '){separatorField=txtRealMask[p];break;}}}
 var partsMaskSep=aMasks[m].split(separatorField);if(partsMaskSep.length==2){var countDecimal=0;txtRealMask=aMasks[m].split('');p=txtRealMask.length-1;for(;p>=0;p--){if(txtRealMask[p]=='#'){countDecimal++;}
diff --git a/workflow/engine/methods/scheduler/index.php b/workflow/engine/methods/scheduler/index.php
index 0b870e7f0..e57bbfc40 100755
--- a/workflow/engine/methods/scheduler/index.php
+++ b/workflow/engine/methods/scheduler/index.php
@@ -1,3 +1,7 @@
+<script language="Javascript">
+    function ajax_function(ajax_server, funcion, parameters, method){
+    }
+</script>
 <?php
 
 use ProcessMaker\Core\System;