非常不错的一个javascript 类

    set:function(){
        var d_st=document.documentElement.scrollTop;
        if(window.navigator.userAgent.indexOf("MSIE")>=1){
            for (var i=d_st; i>10; i-=Math.floor(i/6)){
            window.scrollTo(0,i);
            }
            window.scrollTo(0,10);
        }
        else{
        window.scrollTo(0,Math.floor(d_st / 2));

         if(d_st>10){
                 waitTimer=setTimeout("jscc.widgets.toTop.set()",20);
          }
            else{
                  clearTimeout(waitTimer);
            }
        }
    }
}
jscc.api={
    google:{
        init:function(){
        try{
            var searchControl = new GSearchControl();
        }
            catch(e){
             return;
            }

        var options = new GdrawOptions();
        options.setSearchFormRoot(document.getElementById("googleSearchForm"));
        options.setDrawMode(GSearchControl.DRAW_MODE_TABBED);
         searchControl.setLinkTarget(GSearch.LINK_TARGET_SELF);
        searchControl.setResultSetSize(GSearch.LARGE_RESULTSET);

        var siteSearch = new GwebSearch();
        siteSearch.setUserDefinedLabel("站内搜索");
        siteSearch.setUserDefinedClassSuffix("siteSearch");