$(document).ready(function(){
  $("#liangjian_xuanfukefubut").mouseenter(function(){
    $("#liangjian_xuanfukefucontent").css("display","block");
	$("#liangjian_xuanfukefubut").css("display","none");
  });
  $("#liangjian_xuanfukefucontent").mouseleave(function(){
    $("#liangjian_xuanfukefucontent").css("display","none");
	$("#liangjian_xuanfukefubut").css("display","block");
  });
});

function closejhyxuanfu(){
liangjian_xuanfukefucontent.style.display="none";
liangjian_xuanfukefubut.style.display="block";
return true; 
}

function closejhykfbut(){
liangjian_xuanfukefu.style.display="none";
return true; 
}

liangjiankefu=function(id,_top,_right){
	var me=id.charat?document.getelementbyid(id):id,d1=document.body,d2=document.documentelement;
	me.style.top=_top?_top+'px':0;
	me.style.right=_right+"px";
	me.style.position='absolute';
	var liangjiankftop=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));
	clearinterval(liangjiankftop);
	liangjiankftop=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;
}
liangjiankefu('liangjian_xuanfukefu',51,8);