function _show_box_warning(){ $(".warning_box").fadeIn(1300); }
function _show_box_confirm(){ $(".confirm_box").fadeIn(1300); }

function handleEnter()
{
	$("input").keypress(function (e) {
	      var k = e.keyCode || e.which;
	      if (k == 13) {
	    	 return false;
	      }
	  });
}

function slideSwitch( $id ) {
	
	var $active = $('#'+$id+' IMG.active');

    if ( $active.length == 0 ) $active = $('#'+$id+' IMG:last');

    var $next =  $active.next().length ? $active.next()
        : $('#'+$id+' IMG:first');

    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1500, function() {
            $active.removeClass('active last-active');
        });
}