var BrowserSpecific =
{
  registerListeners: function()
  {
    if( Prototype.Browser.IE )
    {
      var inputs = $A(document.getElementsByTagName('input'));
       //Enter key submit handling added only for IE browser.
      if( inputs )
      {
        inputs.each( 
                      function( input )
                      {
                        if(input.type === 'text' && !page.util.hasClassName(input,'noFormSubmitIE'))
                        {
                          Event.observe( input, "keypress", 
                                         this.checkEnterKeyToSubmit.bindAsEventListener( this, input ) 
                                        );
                        }
                      }.bind( this ) 
                   );
      }
   }
 },
 checkEnterKeyToSubmit: function(event, input)
 {
   //if generated character code is equal to ascii 13 (if enter key)
   if(event.keyCode == 13 && input.form)
   {
     submitButtons = $(input.form).getInputs('submit');
     if(submitButtons && submitButtons.size() > 0)
     {
       submitButtons.first().click();
     }
     Event.stop(event);
   }
   else
   {
     return true;
   }
 }
};