(function($){$.fn.inputfocus=function(params){params=$.extend({focus_class:"focus",value:""},params);this.each(function(){$(this).focus(function(){$(this).addClass(params.focus_class);this.value=(this.value==params.value)?'':this.value;});$(this).blur(function(){$(this).removeClass(params.focus_class);this.value=(this.value=='')?params.value:this.value;});});return this;};})(jQuery);

(function($){
$(document).ready(function($){

    //back to top
    $("a.top").click(function() {
        $("html, body").animate({scrollTop: 0},'slow');
        return false;
    });

    $('#search').inputfocus({value:"search..."});

});

})(jQuery);