added option to dismiss dialog when clicked on overlay

Author: brijeshb42

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "medium-style-confirm",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "homepage": "http://bitwiser.i/medium-style-confirm/",
   "authors": [
     "Brijesh Bittu <brijeshb42@gmail.com>"

js/msc-script.js

@@ -25,7 +25,8 @@
             onCancel: null,
             okText: 'OK',
             cancelText: 'Cancel',
-            placeholder: 'Enter value'
+            placeholder: 'Enter value',
+            dismissOverlay: false
         };
 
         if(typeof title === 'object') {
@@ -55,6 +56,10 @@
         closeBtn.innerHTML = '×';
         overlay.appendChild(closeBtn);
 
+        if(options.dismissOverlay) {
+            overlay.addEventListener("click", destroy);
+        }
+
         closeBtn.addEventListener('click', destroy);
 
         var content = ce('div', 'msc-content'),
@@ -104,6 +109,9 @@
             closeBtn.removeEventListener('click', destroy);
             okBtn.removeEventListener('click', ok);
             cancelbtn.removeEventListener('click', cancel);
+            if(options.dismissOverlay) {
+                overlay.removeEventListener("click", destroy);
+            }
             document.removeEventListener('keyup', _hide);
             document.body.removeChild(dialog);
         }