Make script cross browser compatible

program/js/common.js

@@ -95,14 +95,23 @@ function roundcube_browser()
 // static functions for event handling
 var rcube_event = {
 
- /**
-  * returns the event key code
-  */
- get_keycode: function(e)
- {
-   e = e || window.event;
-   return e && e.keyCode ? e.keyCode : (e && e.which ? e.which : 0);
- },
+/**
+ * returns the event target element
+ */
+get_target: function(e)
+{
+  e = e || window.event;
+  return e && e.target ? e.target : e.srcElement;
+},
+
+/**
+ * returns the event key code
+ */
+get_keycode: function(e)
+{
+  e = e || window.event;
+  return e && e.keyCode ? e.keyCode : (e && e.which ? e.which : 0);
+},
 
 /**
  * returns modifier key (constants defined at top of file)

program/js/list.js

@@ -210,7 +210,8 @@ drag_row: function(e, id)
   this.in_selection_before = this.in_selection(id) ? id : false;
 
   // don't do anything (another action processed before)
-  if (this.dont_select || (e.target && (e.target.tagName == 'INPUT' || e.target.tagName == 'IMG')))
+  var evtarget = rcube_event.get_target(e);
+  if (this.dont_select || (evtarget && (evtarget.tagName == 'INPUT' || evtarget.tagName == 'IMG')))
     return false;
 
   // selects currently unselected row
@@ -239,8 +240,9 @@ click_row: function(e, id)
 {
   var now = new Date().getTime();
   var mod_key = rcube_event.get_modifier(e);
+  var evtarget = rcube_event.get_target(e);
   
-  if ((e.target && (e.target.tagName == 'INPUT' || e.target.tagName == 'IMG')))
+  if ((evtarget && (evtarget.tagName == 'INPUT' || evtarget.tagName == 'IMG')))
     return false;
   
   // don't do anything (another action processed before)