$(document).ready(function(){

	  $("form input").keypress(function (e) {   
		  if ((e.which && e.which == 13) || (e.keyCode && e.keyCode == 13)) {
			  $(this).parents('form').find('.FirstSubmit').click();
		  	return false;   
		  } else {   
		  	return true;   
		  }
	});
	  
	  
});