// JavaScript Document

var demo,demo1,demo2;
//滚动效果---------------------------
function scrollEffect(d,d1,d2){
   //alert(d+","+d1+","+d2);
   demo=document.getElementById(d);
   demo1=document.getElementById(d1);
   demo2=document.getElementById(d2);
   
   demo.style.position="relative";
   demo1.style.display="block";
   demo2.style.display="block";
   var speed=50;
   demo2.innerHTML=demo1.innerHTML;
   //alert("demo2:"+demo2.innerHTML);
   var MyMar=setInterval(Marquee,speed);
   //alert("timer:"+MyMar);
   demo.onmouseover=function() {clearInterval(MyMar)};
   demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)};
}
//滚动
function Marquee(){
	var sp=document.getElementById("sp");
  	if(demo.scrollTop>=demo2.offsetTop){
		demo.scrollTop=0;
	}else{
    	demo.scrollTop++;
		//alert("++");
    }
	sp.innerHTML="demo2.offsetTop:"+demo2.offsetTop+",demo.scrollTop:"+demo.scrollTop;
}

//滚动
function Marquee2(){
	//var sp=document.getElementById("sp");
  	if(demo.scrollTop>=demo2.offsetTop){
		demo.scrollTop=0;
	}else{
    	demo.scrollTop++;
    }
	//sp.innerHTML="demo2.offsetTop:"+demo2.offsetTop+",demo.scrollTop:"+demo.scrollTop;
}

function scrollBlock(tag){
	$(tag+":not(:first)").css("display","none");
    var B=$(tag+":last");
    var C=$(tag+":first");
	
    setInterval(function(){
    if(B.is(":visible")){
    C.fadeIn(500).addClass("in");B.hide()
    }else{
    $(tag+":visible").addClass("in");
    $(tag+".in").next().fadeIn(500);
    $(tag+".in").hide().removeClass("in")}
    },3000) //每3秒钟切换一条，你可以根据需要更	
	
	/*
			$("#twitter li:not(:first)").css("display","none");
    var B=$("#twitter li:last");
    var C=$("#twitter li:first");
    setInterval(function(){
    if(B.is(":visible")){
    C.fadeIn(500).addClass("in");B.hide()
    }else{
    $("#twitter li:visible").addClass("in");
    $("#twitter li.in").next().fadeIn(500);
    $("li.in").hide().removeClass("in")}
    },3000) //每3秒钟切换一条，你可以根据需要更	
	*/
}