float_scroll = function (id,_top,_left){
    var me = id.charAt?document.getElementById(id):id, d1=document.body, d2=document.documentElement;
    d1.style.height = d2.style.height='100%';
    me.style.top = _top?_top+'px':0;
    //me.style.left = _left+"px";//[(_left>0?'left':'left')]=_left?Math.abs(_left)+'px':0;
    me.style.right = "20px";
    me.style.position = 'absolute';    
    setInterval(function (){
    me.style.top=parseInt(me.style.top)+(Math.max(d1.scrollTop,d2.scrollTop)+_top-parseInt(me.style.top))*0.1+'px';},10+parseInt(Math.random()*20));
    return arguments.callee;
    };
    window.onload=function (){
    float_scroll('floatMenu',10,724)
    }