function showandhide(h_id,hon_class,hout_class,c_id,totalnumber,activeno) {
    var h_id,hon_id,hout_id,c_id,totalnumber,activeno;
    for (var i=1;i<=totalnumber;i++) {
        document.getElementById(c_id+i).style.display='none';
        document.getElementById(h_id+i).className=hout_class;
    }
    document.getElementById(c_id+activeno).style.display='block';
    document.getElementById(h_id+activeno).className=hon_class;
}

var tips;
var ltips;
var theTop = 80;
var old = theTop;
function initFloatTips()
{
    tips = document.getElementById('divQQbox');
	ltips = document.getElementById('divADbox');
    moveLTips();
	moveRTips();
}

function moveRTips()
{
	if (window.innerHeight)
	{
	   pos = window.pageYOffset  
	}else if (document.documentElement && document.documentElement.scrollTop) {
	   pos = document.documentElement.scrollTop  
	}else if (document.body) {
	  pos = document.body.scrollTop;  
	}
	
	pos=pos-tips.offsetTop+theTop;
	pos=tips.offsetTop+pos/10;
	if (pos < theTop){
	   pos = theTop;
	}
	if (pos != old) {
	   tips.style.top = pos+"px";
	   tt=10;//alert(tips.style.top); 
	}
	old = pos;
	setTimeout(moveRTips,10);
}


function moveLTips()
{
	if (window.innerHeight)
	{
	   pos = window.pageYOffset  
	}else if (document.documentElement && document.documentElement.scrollTop) {
	   pos = document.documentElement.scrollTop  
	}else if (document.body) {
	  pos = document.body.scrollTop;  
	}
	
	pos=pos-ltips.offsetTop+theTop;
	pos=ltips.offsetTop+pos/10;
	if (pos < theTop){
	   pos = theTop;
	}
	if (pos != old) {
	   ltips.style.top = pos+"px";
	   tt=10;//alert(tips.style.top); 
	}
	old = pos;
	setTimeout(moveLTips,10);
}





initFloatTips();
    if(typeof(HTMLElement)!="undefined")//给firefox定义contains()方法，ie下不起作用
        { 
          HTMLElement.prototype.contains=function (obj) 
          { 
              while(obj!=null&&typeof(obj.tagName)!="undefind"){//通过循环对比来判断是不是obj的父元素
       　　 　if(obj==this) return true; 
       　　　    　obj=obj.parentNode;
       　　      } 
              return false; 
          }
    }