// ×Ô¶¯¹ö¶¯ 
function boxmove(d1,d2,d3,e,obj){ 
    var speed=30; 
    var demo=document.getElementById(d1);  
    var demo1=document.getElementById(d2);  
    var demo2=document.getElementById(d3); 
    demo2.innerHTML=demo1.innerHTML; 
    function boxTop(){ 
            if(demo2.offsetTop-demo.scrollTop<=0){demo.scrollTop-=demo1.offsetHeight} 
            else{demo.scrollTop++} 
        } 
    if(e==1){ 
            var MoveTop=setInterval(boxTop,speed); 
            demo.onmouseover=function(){clearInterval(MoveTop);} 
            demo.onmouseout=function(){MoveTop=setInterval(boxTop,speed)} 
        } 
    if(e=="top"){ 
            MoveTop=setInterval(boxTop,speed) 
            obj.onmouseout=function(){clearInterval(MoveTop);} 
        } 
    }  
function tab(){}
tab.prototype = {
       start : function(menus,cons,openClass,closeClass){                   
              for(var i = 0 ; i < menus.length ; i++)
              { 
			         menus[i].value = i;
					 menus[0].className=openClass;
					 cons[0].style.display = "block";                              
                     menus[i].onmouseover = function(){      
                            for(var j = 0 ; j < menus.length ; j++)
                            {                                          
                                   menus[j].className = closeClass;
                                   cons[j].style.display = "none";
                            }
                            menus[this.value].className = openClass;       
                            cons[this.value].style.display = "block";                            
                     };
              }
              }
}
function $(id){return document.getElementById(id);}
window.onload=function(){

var menus=$('tabMenus').getElementsByTagName('li');
var cons=$('tabCons').getElementsByTagName('div');

var menus2=$('tabMenus2').getElementsByTagName('li');
var cons2=$('tabCons2').getElementsByTagName('div');

var t=new tab();
t.start(menus,cons,'current','usual');

var t2=new tab();
t2.start(menus2,cons2,'current','usual');
}