Merge pull request #1700 from pratik-joshi/CRM-13449

CRM-13449 : while onclick on submit button - putting execution of disbled = true inside timeout function to process the submit of form and then disbling submit button

templates/CRM/Contact/Form/Task/EmailCommon.js

@@ -4,6 +4,12 @@ cj(function ($) {
    $().crmAccordions();
   // NOTE: Might be safer to say $('[name=_qf_Email_upload]')
    $('.form-submit').not('.cancel').on("click", function() {
-     $('.form-submit').not('.cancel').attr({value: ts('Processing'), disabled: 'disabled'});
+     $('.form-submit').not('.cancel').attr({value: ts('Processing')});
+     // CRM-13449 : setting a 0 ms timeout is needed 
+     // for some browsers like chrome. Used for purpose of
+     // submit the form and stop accidental multiple clicks
+     setTimeout(function(){
+       $('.form-submit').not('.cancel').attr({disabled: 'disabled'});
+     }, 0);
    });
 });