// JavaScript Document
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 theTop = 100;
var old = theTop;
function initFloatTips() 
{ 
	tips = document.getElementById('divQQbox');
	moveTips();
}
function moveTips()
{
	 	  var tt=50; 
		  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(moveTips,tt);
}
initFloatTips();
	if(typeof(HTMLElement)!="undefined")    //firefox定义contains()方法，ie下不起作用
		{  
		  HTMLElement.prototype.contains=function (obj)  
		  {  
			  while(obj!=null&&typeof(obj.tagName)!="undefind"){
	   　　 　if(obj==this) return true;  
	   　　　	　obj=obj.parentNode;
	   　　	  }  
			  return false;  
		  }
	}