jQuery.fn.fadeIn = function(speed, callback) { 
    return this.animate({opacity: 'show'}, speed, function() {
        if (jQuery.browser.msie)  
            this.style.removeAttribute('filter');
        if (jQuery.isFunction(callback)) 
            callback();  
    }); 
}; 
 
jQuery.fn.fadeOut = function(speed, callback) { 
    return this.animate({opacity: 'hide'}, speed, function() {
        if (jQuery.browser.msie)
            this.style.removeAttribute('filter');  
        if (jQuery.isFunction(callback)) 
            callback();  
    }); 
}; 
 
jQuery.fn.fadeTo = function(speed,to,callback) { 
    return this.animate({opacity: to}, speed, function() { 
        if (to == 1 && jQuery.browser.msie)
            this.style.removeAttribute('filter');
        if (jQuery.isFunction(callback)) 
            callback();  
    }); 
}; 
jQuery.fn.extend({
  scrollTo : function(speed, easing) {
    return this.each(function() {
      var targetOffset = $(this).offset().top;
      $('html,body').animate({scrollTop: targetOffset}, speed, easing);
    });
  }
});
//jqplugin
(function($){if(typeof $.browser==="undefined"||!$.browser){var browser={};$.extend(browser);}var pluginList={flash:{activex:"ShockwaveFlash.ShockwaveFlash",plugin:/flash/gim},sl:{activex:["AgControl.AgControl"],plugin:/silverlight/gim},pdf:{activex:"PDF.PdfCtrl",plugin:/adobe\s?acrobat/gim},qtime:{activex:"QuickTime.QuickTime",plugin:/quicktime/gim},wmp:{activex:"WMPlayer.OCX",plugin:/(windows\smedia)|(Microsoft)/gim},shk:{activex:"SWCtl.SWCtl",plugin:/shockwave/gim},rp:{activex:"RealPlayer",plugin:/realplayer/gim},java:{activex:navigator.javaEnabled(),plugin:/java/gim}};var isSupported=function(p){if(window.ActiveXObject){try{new ActiveXObject(pluginList[p].activex);$.browser[p]=true;}catch(e){$.browser[p]=false;}}else{$.each(navigator.plugins,function(){if(this.name.match(pluginList[p].plugin)){$.browser[p]=true;return false;}else{$.browser[p]=false;}});}};$.each(pluginList,function(i,n){isSupported(i);});})(jQuery);