var Fid = function(i){return document.getElementById(i);}

var switchMusic = function(o, n, p){
   var ol = Fid(o+p);
   var cl = Fid(o+n);
   ol.style.display="none";
   cl.style.display="";
}
var doClearStyle = function( num,tab,newStyle ){
	var li = Fid( tab ).getElementsByTagName( "li" );
	for( var i = 0; i < li.length; i++ ){
		if( ( num-1 ) == i ){
			li[i].className = newStyle;
		} else {
			li[i].className = "";
		}
	}
}
/**
*第一个标签切�?
*/
var m1 = 1;
function xx( num ){  
   doClearStyle( num,"tab_01","tab_on" );
   
   switchMusic("tab_cnt", num, m1);
   m1 = num;
   return false;
}
/**
*第二个标签切�?
*/
var m2 = 1;
function xx2( num ){  
   doClearStyle( num,"tab_02","tab_on" );
   
   switchMusic("tab2_cnt", num, m2);
   m2 = num;
   return false;
}
/**
*单�?�标签切�?
*/
var m3 = 1;
function radio_tab( num ){  
   switchMusic("radio_cnt", num, m3);
   m3 = num;
}
/*------------------------- 时间 --------------------------------------*/
/**
*
*/
var timerID = null;
var timerRunning = false;
function stopclock (){
	if(timerRunning)
		clearTimeout(timerID);
	timerRunning = false;
}
function startclock () {
	stopclock();
	showtime();
}
function showtime () {
	var now = new Date();
	var hours = now.getHours();
	var minutes = now.getMinutes();
	var seconds = now.getSeconds()
	var timeValue = "Time:";
	timeValue += ((hours >12) ? hours :hours)
	timeValue += ((minutes < 10) ? ":0" : ":") + minutes
	timeValue += ((seconds < 10) ? ":0" : ":") + seconds
	document.getElementById("cur_time").innerHTML = timeValue;
	timerID = setTimeout("showtime()",1000);
	timerRunning = true;
}
/*------------------------- 滚动 --------------------------------------*/
function doScroll( o,o1,o2,flag ){
	var speed=50;
	var demo = Fid( o );
	var demo1 = Fid( o1 );
	var demo2 = Fid( o2 );
	demo2.innerHTML=demo1.innerHTML
	//Marquee( flag,demo,demo1,demo2 );
	//var MyMar=setInterval("Marquee(flag,demo,demo1,demo2)",speed);
	var MyMar=window.setInterval(function(){
		switch( flag ){
			case "1":
				if(demo2.offsetTop-demo.scrollTop<=0)
					demo.scrollTop-=demo1.offsetHeight
				else{
					demo.scrollTop++
				}
				break;
			case "2":
				if(demo2.offsetWidth-demo.scrollLeft<=0)
					demo.scrollLeft-=demo1.offsetWidth;
			   else{
					demo.scrollLeft++;
			   }
			   break;
		}
	},speed);
	demo.onmouseover=function() {
		clearInterval(MyMar);
	}
	demo.onmouseout=function() {
		MyMar=window.setInterval(function(){
			switch( flag ){
				case "1":
					if(demo2.offsetTop-demo.scrollTop<=0)
						demo.scrollTop-=demo1.offsetHeight
					else{
						demo.scrollTop++
					}
					break;
				case "2":
					if(demo2.offsetWidth-demo.scrollLeft<=0)
						demo.scrollLeft-=demo1.offsetWidth;
				   else{
						demo.scrollLeft++;
				   }
				   break;
			}
		},speed);
	}		
}