/*---------------------------
----- @auther:simue
----- @Last:2008.09.06
----------------------------*/
var d=document;
var $=function(id){
    return "string" == typeof id ? d.getElementById(id) : id;
};

//显示隐藏层的函数:setDisplay(tab1,block,tab2,none,tab3,none);
//显示tab1,隐藏tab2和tab3
function setDisplay(){
	for(i=0;i<arguments.length;i++){
		$(arguments[i]).style.display=arguments[i+1];
		i++;
	}
}

//运动功能实现
var winWidth;
var clearFish=function(){};
var fishtime;
window.onload=function(){
	winWidth =d.body.clientWidth;
	var WIN_WIDTH = winWidth;
	var n = WIN_WIDTH;
	var m = WIN_WIDTH-300;
	var fishStyle = $('fish').style;
	var cloudStyle = $('cloud').style;
	var fishMove = function() {
		fishStyle.left = n + 'px';
		n -= 5;
		if(n<0){n = WIN_WIDTH}
		clearFish();
	}
	fishtime = setInterval(fishMove, 100);
	var cloudMove = function() {
		cloudStyle.right = m + 'px';
		m -= 1;
		if(m<-300){m = WIN_WIDTH}
	}
	setInterval(cloudMove,2000);
}
window.onresize=function(){winWidth =d.body.clientWidth;}

//根据时间变换css文件

var time2css = function(){
  var mytime = new Date();
  var hours = mytime.getHours(); 
  var minutes = mytime.getMinutes(); 
  var seconds = mytime.getSeconds(); 
  var day = mytime.getDate(); 
  var month = mytime.getMonth() + 1; 
  var year = mytime.getYear();
  if(hours>18 || hours<6){
    $('skin').href="simue_night.css";
  } 
}
time2css();